608:
600:
723:
1686:
1945:
2353:
812:
797:
had been performed and completed its in-orbit testing. Al Yah 3 is expected to enter into service around July 2018, at the start of new
Eutelsat's fiscal year. Due to excess propellant usage during recovery, Al Yah 3's operational life was reduced to approximately 9 years. Yahsat was expected to receive up to 50% of its insured value (~US$ 108 million) in damages.
2365:
761:), under the chairmanship of ESA's inspector general to investigate what caused the trajectory deviation during flight. The conclusions of the investigation commission led by ESA's inspector general, Toni Tolker-Nielsen, were released on 22 February 2018, indicating that engineers left the inertial navigation units' azimuth value at 90° (the standard for
29:
945:"So, SES released the hi-res lift-off shot of #VA241 this allowed me to better compare the apparent roll I mentioned already here: https://twitter.com/DutchSpace/status/960646821977690112 … It seems pretty clear that when comparing VA241 (left) with VA230 (right) there had to be a roll pretty much from lift-off ... pic.twitter.com/WOID41BNld"
693:
combined with a failed verification procedure according to early developments as the launch team reported not to have double-checked the guidance computer parameters to reduce workload duplication, even though double-checking them played the vital role in the rocket's reliability. But
Arianespace and
796:
Al Yah 3 was also confirmed healthy after more than 12 hours without further statement, and like SES-14, Al Yah 3's maneuvering plan was also revised to still fulfill the original mission. As of 30 May 2018, Al Yah 3 had arrived to the intended geostationary orbit, after series of recovery maneuvers
648:
issued a first press release mentioning that the Natal tracking station did not acquire telemetry of the launcher, which lasted until the end of the mission, and that the separation of both payloads was confirmed, together with their successful injection into Earth orbit and the link acquisition by
615:
The telemetry of the launcher was lost from about 9 minutes to 9 minutes and 30 seconds (the uncertainty being due to the fact that the data as displayed in real-time may have been extrapolated for a finite amount of time) into the flight, close to the moment when the main stage (EPC) separation and
708:
or its onboard
Autonomous Flight Termination System once the rocket flew off course. But at the point when the Range Safety Officer for this mission wanted to destroy the rocket, it was too late as it already overflew close to the city of Kourou, so destroying the rocket would have been potentially
660:
On 26 January 2018, SES informed on their website that while its satellite is in good health it would require to "set up a new orbit raising plan", and that it would thus "reach the geostationary orbit only four weeks later than originally planned", indicating that the satellites were not delivered
639:
separated , and where they are exactly, to better analyse the consequences of this anomaly. I want to present my deepest excuses to our customers, who have entrusted us one more time. We know that there is no launch with no risk. We know that launch is always difficult, and tonight Ariane 5 has had
677:
The flight path anomaly became obvious when initial analysis showed that the launch azimuth had gone wrong since the very beginning of the flight, during the first stage firing, with unexpected slow roll manoeuvre just after liftoff. In standard Ariane 5 launch, the roll maneuvre should only begin
1217:
The
Independent Enquiry Commission formed after the Ariane 5 launcher's trajectory deviation during its January 25, 2018 mission issued its conclusions on Thursday, February 22. The anomaly's cause is perfectly understood and recommendations are clearly identified. Arianespace and ArianeGroup are
673:
of 3°) by the launch vehicle. This was confirmed later that day when the orbital elements of the satellites were released, revealing that the deployment orbit's apogee had a minor deviation of about 2,000 km while the inclination suffered a significant deviation of almost 18° from intended.
652:
On the same day, Arianespace issued a second press release stating that SES and YahSat confirmed the acquisition and good health of the two satellites despite a deviation of their trajectory. It was also stated that the telemetry was lost by the tracking stations 9 minutes and 26 seconds after
631:"Ladies and gentlemen, so I come to give you some information because we have had an anomaly on this launch. Indeed, we lost contact with the launcher a few seconds after the ignition of the upper stage. At that time, we can consider that the upper composite and the satellite have been
779:
SES-14 needed about 4 weeks longer than planned commissioning time, meaning that entry into service now expected in August instead of July. Nevertheless, SES-14 is still expected to be able to meet the designed life time, since it was originally to be launched on the
286:
launch (1st of 2018) was planned to take place within a launch window of 45 minutes starting on 25 January 2018 at 22:20 UTC (19:20 local time). The launcher engines effectively were ignited at the very beginning of that window, from Ariane Launch
Complex No. 3
1127:"It's a question that will be asked. Industry officials say a judgment was made that the rocket was performing well (except for trajectory) and that the danger to local population of debris from flight termination outweighed the dangers of continuing flight"
640:
an anomaly, so let's take time now to better understand the situation of the satellite. Arianespace, in full transparency, will come back to you to provide you with some more information as soon as we have them. I apologise on behalf of
Arianespace".
1218:
immediately implementing the
Independent Enquiry Commission's recommended corrective measures. The current Soyuz and Ariane 5 launch campaigns are continuing at the Guiana Space Center in French Guiana for the two launches planned in March.
784:
launch vehicle which would have required more propellant reserves as Falcon 9 usually deploys geostationary satellites into a high inclination orbit that requires more propellant to approach into final geostationary orbit. SES informed
694:
ArianeGroup issued a statement insisting that all the control processes remain unchanged, while they restructured the organization now directly from ArianeGroup, affecting the launch team now with many of ArianeGroup engineers.
1408:
180:
The launcher was carrying the SES-14 and Al Yah 3 geostationary satellites, with a total payload mass of approximately 9,123 kg (20,113 lb). The satellites were accommodated together on the
769:, explaining the cause of the 17° trajectory deviation. Standard verification procedure missed the azimuth data. The reason of launching both satellites to SSGTO was Al Yah 3 satellite manufacturer (
1192:
After the release of the conclusions of the Ariane VA241 Independent
Enquiry Commission on 22 February, the findings and recommendations were formally presented to a Steering Board on 28 February.
773:) abruptly requested Arianespace to change the target orbit profile to SSGTO in order to release the Al Yah 3 satellite at a right angle relative to the direction of motion of the launch vehicle.
1233:
1204:
1027:
1099:
1438:
1000:
1609:
790:
220:
1531:"Yahsat expected to file US$ 108-million claim for loss of life on Al Yah 3 satellite because of @Arianespace @ArianeGroup Ariane 5 off-target orbital injection"
2406:
1416:
2282:
1256:
704:, but for the first time flew very close to the city of Kourou. In standard launch of any rocket it should have been immediately destroyed by either
2391:
887:
2070:
2065:
2060:
2055:
2050:
265:, was in the lower position. It had a mass at liftoff of 3,795 kg (8,367 lb). Al Yah 3 was the first satellite based on Orbital ATK's
1484:
627:
made a quick speech saying that the launcher suffered an anomaly. His statement in front of the VIP audience in the
Jupiter control room was:
635:. But as I said, we lost contact. So up to now, our customers do not have contact with the satellite. We need now some time to know if they
2416:
1553:
776:
Both satellites have now conducted orbital make-up procedure by changing their maneuvering plan, which would extend commissioning time.
770:
250:
1602:
607:
690:
2411:
2369:
1848:
1726:
1718:
662:
2357:
1179:
1395:
2401:
1730:
1461:
1595:
2396:
1351:
904:
762:
308:
1234:"Independent Enquiry Commission announces conclusions concerning the launcher trajectory deviation during Flight VA241"
1205:"Independent Enquiry Commission announces conclusions concerning the launcher trajectory deviation during Flight VA241"
860:
2329:
1674:
599:
169:
1301:
888:
http://www.arianespace.com/wp-content/uploads/2018/01/1-26-2018-VA241-Ariane5-a-mis-en-orbite-SES14-AlYah3-FR.pdf
1507:
974:
845:
2181:
196:
922:"A Bizarre Failure Scenario Emerges for Ariane 5 Mission Anomaly with SES 14 & Al Yah 3 – Ariane 5 VA241"
2226:
2194:
2045:
2024:
1794:
1698:
1631:
1076:
1053:
131:
2298:
2014:
1857:
1157:
921:
766:
1374:
697:
2250:
2019:
1755:
754:
624:
1841:
1644:
1485:"Al Yah 3 arrives in geostationary orbit but is predicted to have lost part of its expected lifespan"
1279:
1130:
948:
765:(GTO) launch on Ariane 5), however unusually 70° was intended for these payloads riding into unusual
262:
215:, was in the upper position. It had a mass at liftoff of 4,423 kg (9,751 lb), hosting the
2313:
2153:
2148:
2143:
2138:
2133:
2128:
2123:
2118:
2113:
2108:
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2098:
2088:
2029:
1959:
1707:
1670:
1660:
670:
320:
165:
146:
141:
76:
1790:
817:
1736:
1640:
1409:"Yahsat confirms launch of Al Yah 3 mission Satellite to greatly increase its global coverage"
700:, Minister of Higher Education, Research and Innovation, said that the rocket did not overfly
1557:
1439:"UAE's Al Yah 3 satellite ready to provide internet services after successful tests in space"
1282:[The independent Enquiry Commission gives Ariane 5 go ahead] (in French). Aerospatium
1257:"Arianespace knows cause of Ariane 5 flight deviation but concern remains about range safety"
1780:
1774:
1764:
1396:
http://gold.cs.ucf.edu/contact-successfully-established-with-ses-14-satellite-hosting-gold/
2334:
1834:
1582:
875:
2186:
307:
The mission was planned to last 35 minutes and 7 seconds, placing both satellites into a
1685:
1328:
736:
Please help update this article to reflect recent events or newly available information.
2201:
1030:[The incredible negligence of ArianeGroup during the Ariane 5 (VA241) launch].
228:
1530:
388:
Check of connections between launcher and the telemetry, tracking and command systems
2385:
1751:
944:
296:
254:
231:
2308:
861:
http://www.arianespace.com/wp-content/uploads/2018/01/CDP-18-05-VA241-update-FR.pdf
789:
that they expect no effect on the quality of observations and data of the agency's
705:
28:
1944:
2206:
2234:
2176:
1894:
1664:
1618:
1126:
709:
more dangerous with the debris raining down over Kourou than continuing flight.
686:
645:
620:
235:
66:
800:
This mission anomaly ended the 82 consecutive launch success streak from 2003.
807:
212:
1003:[Ariane 5 : A human error is the origin of the bad trajectory].
846:
http://www.arianespace.com/wp-content/uploads/2018/01/VA241-launchkit-EN2.pdf
753:
An independent investigation board was established in collaboration with the
266:
1001:"Ariane 5 : une erreur humaine Ă l'origine de la mauvaise trajectoire"
372:
Start of filling of the upper stage with liquid oxygen and liquid hydrogen
364:
Start of filling of the main stage with liquid oxygen and liquid hydrogen
2303:
1930:
1925:
1920:
1915:
1910:
1878:
1826:
1694:
1627:
781:
283:
246:
208:
200:
181:
161:
92:
39:
1079:[2018, A New Organization for Ariane] (in French). Capcom Espace
1587:
1462:"Eutelsat CEO optimistic on shorter broadcast contracts, OTT potential"
1142:
1102:[Three unanswered questions around the Ariane 5 flight VA241].
960:
1028:"L'incroyable raté d'ArianeGroup lors du lancement d'Ariane 5 (VA241)"
2004:
1964:
1654:
701:
666:
292:
258:
224:
204:
192:
97:
1398:
Contact
Successfully Established With SES-14 Satellite Hosting GOLD
2216:
2211:
1986:
1981:
1976:
1971:
1768:
606:
598:
316:
312:
288:
79:
396:“All systems go” report, allowing start of synchronised sequence
2255:
2009:
1784:
786:
758:
216:
1830:
1591:
1740:
716:
1100:"Trois questions sans réponse autour du vol VA241 d'Ariane 5"
184:
adapter inside the long version of the upper stage fairing.
1352:"SES-14 in good health and on track despite launch anomaly"
905:"SES-14 in good health and on track despite launch anomaly"
757:(ESA) and National Aeronautics and Space Administration (
1302:"Ariane 5 satellites in orbit but not in right location"
1280:"La commission d'enquête indépendante dédouane Ariane 5"
548:
Start of acquisition by the Libreville tracking station
876:
https://www.youtube.com/watch?v=g47aftHgOnk&t=10m7s
540:
Start of acquisition by the Ascension tracking station
556:
Start of acquisition by the Malindi tracking station
2322:
2291:
2275:
2268:
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2225:
2169:
2162:
2081:
2038:
1997:
1952:
1903:
1887:
1871:
1864:
1750:
1717:
1693:
1626:
1158:"NASA to be part of Ariane 5 anomaly investigation"
616:upper stage (ESC-A) ignition should have occurred.
603:
The Ariane 5 ECA on the launch pad prior to launch.
130:
119:
114:
106:
85:
72:
62:
46:
38:
1054:"Ariane 5 VA241 Anomaly Analysis – Ariane 5 VA241"
223:payload. SES-14 was the second satellite based on
1180:"Action plan approved for next Ariane 5 launches"
916:
914:
476:End of vertical climb, beginning of pitch motion
315:of about 45,000 km (28,000 mi) and a
1125:de Selding and, Peter B. (25 February 2018).
856:
854:
791:Global-scale Observations of the Limb and Disk
1842:
1603:
1077:"2018, Une Nouvelle Organisation pour Ariane"
611:Ascent of the Ariane 5 ECA during the flight.
269:satellite bus to be launched by Arianespace.
8:
1817:Symbol indicates failure or partial failure
1808:Between parentheses is the main payload only
793:(GOLD) instrument after the launch anomaly.
21:
1228:
1226:
841:
839:
837:
835:
833:
831:
829:
2272:
2166:
1868:
1849:
1835:
1827:
1610:
1596:
1588:
878:Replay of the Arianespace live video flux.
508:Acquisition by the Natal tracking station
333:
319:of about 250 km (160 mi), at an
27:
1583:Ariane Flight VA241 (Arianespace website)
999:Vanlerberghe, Cyrille (30 January 2018).
1554:"After 16 years, Ariane 5 finally fails"
657:, due to a deviation of the trajectory.
825:
678:around 17 seconds after reference time
420:Opening command for the cryogenic arms
380:Chilldown of Vulcain main stage engine
33:Artwork featured on visitors' brochures
1529:de Selding, Peter B. (20 March 2018).
1375:"SES Swaps SES-12 and SES-14 Launches"
691:Guidance, Navigation and Control (GNC)
20:
1552:Neiberlien, Henry (29 January 2018).
1278:Barensky, Stefan (23 February 2018).
1182:. European Space Agency. 2 March 2018
890:Second press release by Arianespace (
767:supersynchronous transfer orbit (GTO)
685:The anomaly might have been due to a
331:The planned sequence was as follows:
7:
2407:January 2018 events in South America
2364:
1508:"YahSat to make 50% insurance claim"
1329:"Ariane rocket suffers rare anomaly"
1098:Cabirol, Michel (26 February 2018).
164:space launch that occurred from the
1026:Cabirol, Michel (30 January 2018).
863:First press release by Arianespace
1506:Forrester, Chris (12 March 2018).
1327:Amos, Jonathan (26 January 2018).
924:. Spaceflight 101. 26 January 2018
14:
1460:Henry, Caleb (16 February 2018).
619:Then about 1 hour after liftoff,
2363:
2352:
2351:
1943:
1684:
1373:Payer, Markus (28 August 2017).
1255:Todd, David (23 February 2018).
1156:Henry, Caleb (1 February 2018).
943:@DutchSpace (10 February 2018).
810:
721:
663:super-synchronous transfer orbit
309:super-synchronous transfer orbit
2392:Ariane (rocket family) launches
1207:. Arianespace. 23 February 2018
516:End of main stage thrust phase
689:during the programming of the
588:Al Yah 3 satellite separation
412:Switch to on-board power mode
121:
1:
682:or 10 seconds after liftoff.
404:Tanks pressurised for flight
327:Countdown and flight sequence
763:geostationary transfer orbit
572:SES-14 satellite separation
532:Ignition of the upper stage
356:Check of electrical systems
168:on 25 January 2018 at 22:20
1556:. The Avion. Archived from
1483:Todd, David (22 May 2018).
1441:. The National. 30 May 2018
1308:. AFP News. 26 January 2018
484:Beginning of roll maneuver
456:Ignition of solid boosters
448:Ignition of the main stage
428:On-board systems take over
2433:
2417:Satellite launch anomalies
2330:Automated Transfer Vehicle
1675:James Webb Space Telescope
2347:
1941:
1804:
1682:
975:"VA241 Launch Kit Rev. 2"
730:This section needs to be
348:Start of final countdown
137:
50:25 January 2018
26:
1814:indicate future launches
197:Airbus Defence and Space
2412:Rocket launches in 2018
2195:Safran Aircraft Engines
1858:Ariane (rocket family)
669:of 45,000 km and
612:
604:
524:Main stage separation
2402:2018 in French Guiana
2251:European Space Agency
1510:. Advanced Television
755:European Space Agency
610:
602:
564:Injection into orbit
1795:Pléiades Neo 5&6
706:Range Safety Officer
644:Later in the night,
623:'s CEO and chairman
492:Boosters separation
263:United Arab Emirates
2397:2018 in spaceflight
1960:Guiana Space Centre
1075:Capdevila, Didier.
500:Fairing jettisoned
273:Mission description
166:Guiana Space Centre
158:Ariane flight VA241
23:
22:Ariane flight VA241
1560:on 30 January 2018
1419:on 27 January 2018
1413:journeyofpride.com
818:Spaceflight portal
613:
605:
234:to be launched by
229:Eurostar E3000 EOR
2379:
2378:
2343:
2342:
2264:
2263:
1939:
1938:
1824:
1823:
751:
750:
592:
591:
580:SYLDA separation
155:
154:
2424:
2367:
2366:
2355:
2354:
2273:
2191:
2167:
2046:List of launches
1968:
1947:
1869:
1851:
1844:
1837:
1828:
1688:
1612:
1605:
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1589:
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1565:
1549:
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1520:
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1517:
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1503:
1497:
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1471:
1469:
1457:
1451:
1450:
1448:
1446:
1435:
1429:
1428:
1426:
1424:
1415:. Archived from
1405:
1399:
1393:
1387:
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1370:
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1113:
1111:
1095:
1089:
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1086:
1084:
1072:
1066:
1065:
1063:
1061:
1056:. Spaceflight101
1050:
1044:
1043:
1041:
1039:
1023:
1017:
1016:
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996:
990:
989:
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985:
979:
971:
965:
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931:
929:
918:
909:
908:
901:
895:
885:
879:
873:
867:
858:
849:
848:VA241 Launch Kit
843:
820:
815:
814:
813:
746:
743:
737:
725:
724:
717:
698:Frédérique Vidal
661:to the intended
649:both customers.
334:
123:
57:
55:
31:
24:
2432:
2431:
2427:
2426:
2425:
2423:
2422:
2421:
2382:
2381:
2380:
2375:
2339:
2318:
2287:
2260:
2239:
2227:Launch provider
2221:
2189:
2158:
2077:
2034:
1993:
1962:
1948:
1935:
1899:
1883:
1860:
1855:
1825:
1820:
1800:
1746:
1713:
1710:(maiden flight)
1689:
1680:
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1616:
1579:
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1372:
1371:
1367:
1357:
1355:
1350:Payer, Markus.
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1326:
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1311:
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1123:
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1080:
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1073:
1069:
1059:
1057:
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1037:
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1024:
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1008:
998:
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993:
983:
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977:
973:
972:
968:
954:
952:
942:
941:
937:
927:
925:
920:
919:
912:
903:
902:
898:
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844:
827:
816:
811:
809:
806:
747:
741:
738:
735:
726:
722:
715:
653:reference time
625:Stéphane Israël
597:
329:
305:
280:
275:
244:
190:
178:
151:
150:
144:
132:Ariane launches
110:Partial failure
102:
53:
51:
34:
17:
12:
11:
5:
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2240:
2238:
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2222:
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2219:
2214:
2209:
2204:
2202:Beyond Gravity
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2173:
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2164:
2160:
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2156:
2151:
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2187:AĂ©rospatiale
2182:Airbus Space
2093:
1953:Launch sites
1811:
1777:(FalconEye1)
1650:
1562:. Retrieved
1558:the original
1547:
1535:. Retrieved
1524:
1512:. Retrieved
1501:
1489:. Retrieved
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1433:
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1417:the original
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1199:
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1151:
1141:– via
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40:Ariane 5 ECA
18:
16:Space launch
2304:Ariane 5 ME
2235:Arianespace
2177:ArianeGroup
1895:Ariane Next
1665:BepiColombo
1619:Arianespace
1468:17 February
1464:. SpaceNews
1381:17 February
1306:Yahoo! News
1286:26 February
1240:23 February
1160:. SpaceNews
1137:28 February
1110:26 February
1106:(in French)
1034:(in French)
1007:(in French)
984:12 February
955:12 February
865:(in French)
771:Orbital-ATK
687:human error
671:inclination
646:Arianespace
621:Arianespace
585:T+00:35:07
577:T+00:33:22
569:T+00:27:05
561:T+00:24:46
553:T+00:22:56
545:T+00:18:19
537:T+00:13:36
529:T+00:09:01
521:T+00:08:58
513:T+00:08:51
505:T+00:07:21
497:T+00:03:18
489:T+00:02:19
481:T+00:00:17
445:T+00:00:01
425:T-00:00:04
417:T-00:00:05
321:inclination
278:Launch date
251:Orbital ATK
249:, built by
236:Arianespace
195:, built by
67:Arianespace
2386:Categories
2370:Multimedia
1564:30 January
1487:. Seradata
1423:26 January
1358:26 January
1335:26 January
1331:. BBC News
1312:26 January
1259:. Seradata
1104:La Tribune
1083:4 February
1060:4 February
1038:30 January
1032:La Tribune
1011:30 January
928:27 January
804:References
633:satellised
311:, with an
213:Luxembourg
115:Components
54:2018-01-25
2292:Cancelled
2276:Proposals
2071:2020–2029
2066:2010–2019
2061:2000–2009
2056:1990–1999
2051:1979–1989
1533:. Twitter
1005:Le Figaro
892:in French
713:Aftermath
665:(with an
637:have been
282:The 97th
267:GEOStar-3
2358:Category
2190:(merged)
2039:Launches
1931:Ariane 5
1926:Ariane 4
1921:Ariane 3
1916:Ariane 2
1911:Ariane 1
1879:Ariane 6
1695:Ariane 6
1628:Ariane 5
1621:launches
1537:21 March
1514:21 March
782:Falcon 9
409:T-00:01
401:T-00:04
393:T-00:07
385:T-01:15
377:T-03:18
369:T-03:28
361:T-04:38
353:T-10:33
345:T-11:23
284:Ariane 5
247:Al Yah 3
242:Al Yah 3
219:-funded
201:Toulouse
162:Ariane 5
93:Al Yah 3
63:Operator
2323:Retired
2299:Adeline
2269:Related
2244:Related
2082:Flights
2025:Vulcain
1998:Engines
1904:Retired
1872:Current
1865:Rockets
1812:Italics
1731:Galileo
1645:Cluster
1491:19 June
1445:19 June
1263:7 March
1211:8 March
1186:8 March
1164:7 March
1143:Twitter
961:Twitter
732:updated
595:Anomaly
467:Liftoff
317:perigee
261:of the
253:in the
176:Payload
160:was an
120:Serial
107:Outcome
86:Payload
52: (
2335:Europa
2314:Hermes
2015:Viking
2005:Aestus
1965:Kourou
1655:SES-14
702:Kourou
667:apogee
340:Event
313:apogee
293:Kourou
259:Yahsat
225:Airbus
205:France
193:SES-14
188:SES-14
98:SES-14
77:Kourou
47:Launch
42:launch
2309:DC4EU
2283:SUSIE
2217:Nammo
2212:SABCA
2154:VA262
2149:VA256
2144:VA255
2139:VA254
2134:VA253
2129:VA248
2124:VA247
2119:VA246
2114:VA245
2109:VA243
2104:VA244
2099:VA242
2094:VA241
2089:VA240
2020:Vinci
1987:ELA-4
1982:ELA-3
1977:ELA-2
1972:ELA-1
1769:LARES
1719:Soyuz
1708:VA262
1671:VA256
1661:VA245
1651:VA241
1377:. SES
1354:. SES
1131:Tweet
978:(PDF)
949:Tweet
337:Time
303:Orbit
291:) in
289:ELA-3
182:SYLDA
147:VA242
142:VA240
80:ELA-3
2256:CNES
2030:P120
2010:HM7B
1791:VV22
1785:SSMS
1781:VV16
1775:VV15
1765:VV01
1756:list
1752:Vega
1737:VS22
1727:VS09
1699:list
1632:list
1566:2018
1539:2018
1516:2018
1493:2018
1470:2018
1447:2018
1425:2018
1383:2018
1360:2018
1337:2018
1314:2018
1288:2018
1265:2018
1242:2018
1213:2018
1188:2018
1166:2018
1139:2018
1112:2018
1085:2018
1062:2018
1040:2018
1013:2018
986:2018
957:2018
930:2018
787:NASA
759:NASA
257:for
221:GOLD
217:NASA
207:for
126:5101
1741:O3b
1641:V88
227:'s
211:of
209:SES
199:in
170:UTC
122:no.
73:Pad
2388::
1411:.
1304:.
1225:^
1215:.
1190:.
913:^
853:^
828:^
299:.
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238:.
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1963:(
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947:(
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907:.
894:)
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740:(
734:.
680:T
655:T
287:(
56:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
