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387:. It was the first Alphabus spacecraft to be launched, and as such it carries several experimental communications systems in addition to its commercial payload. The spacecraft had a launch mass of 6,649 kilograms (14,659 lb), and is expected to operate for at least fifteen years.
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ORS-3, STPSat-3, Black Knight 1, CAPE-2, ChargerSat-1, COPPER, DragonSat-1, Firefly (satellite), Ho'oponopono-2, Horus, KySat-2, NPS-SCAT, ORSES, ORS Tech 1, 2,
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are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
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satellite in LEO was transmitted via an optical link to the
Alphasat in GEO and then relayed to a ground station using a
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Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).
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at 19:54:07 UTC on 25 July 2013, with
Inmarsat-4A F4 separating from the rocket around 27 minutes later.
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downlink. The new system can offer speeds up to 7.2 Gbit/s in the future.
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of 25 degrees east. As of 29 October 2013, it is in an orbit with a
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The satellite was used as part of an in-orbit verification of the ESA
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This article about one or more spacecraft of the United
Kingdom is a
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489:"ALPHASAT (INMARSAT 4A-F4) Satellite details 2013-038A NORAD 39215"
361:. Launched in 2013, it is used to provide mobile communications to
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of 35,771 kilometres (22,227 mi) and 0.14 degrees
545:"Ariane 5 ECA successfully deploys Alphasat and Insat-3D"
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had been contracted to launch
Inmarsat-4A F4, with an
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Full scale mockup
Alphasat at Le Bourget Airshow 2013
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119:Elapsed: 11 years, 1 month, 17 days
440:of 42,157.20 kilometres (26,195.27 mi) and
397:rocket, flight number VA-214, delivering it and
448:of 1,435.75 minutes, or 23.92 hours.
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1327:, STSAT-3, SkySat-1, UniSat-5 (Dove 4,
620:"Laser link offers high-speed delivery"
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372:Inmarsat-4A F4 has been constructed by
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27:Geostationary communications satellite
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881:(Aist 2, BeeSat-2, BeeSat-3, SOMP,
1587:. You can help Knowledge (XXG) by
1534:. You can help Knowledge (XXG) by
780:M078, M087, M093, M094, M095, M096
320:29 October 2013, 17:07:36 UTC
290:35,801 kilometres (22,246 mi)
280:35,771 kilometres (22,227 mi)
25:
1639:Satellites using the Alphabus bus
1351:, HINCube-1, KHUSat-1, KHUSat-2,
353:operated by United Kingdom-based
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436:to the equator. The orbit had a
166:6,649 kilograms (14,659 lb)
1526:This article about one or more
1343:, WNISat-1, GOMX-1, CubeBug-2,
592:Clark, Stephen (25 July 2013).
452:European Data Relay System test
1649:Communications satellite stubs
543:Bergin, Chris (25 July 2013).
103:
1:
1359:, Triton 1, UWE-3, VELOX-P2,
416:The spacecraft operates in a
405:. The rocket lifted off from
403:geosynchronous transfer orbit
1634:Spacecraft launched in 2013
1309:× 8, SENSE A, B, SwampSat,
519:"Alphasat (Inmarsat-4A F4)"
444:of 0.0003552, giving it an
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458:European Data Relay System
1654:European spacecraft stubs
1528:communications satellites
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460:. In 2014, data from the
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1148:Eutelsat 25B / Es'hail 1
1031:× 4 (PFM, FM2, FM4, FM5)
784:Azerspace-1/Africasat-1a
365:and parts of Europe and
357:in partnership with the
622:. ESA. 28 November 2014
594:"Mission Status Center"
1347:, Dove 3, First-MOVE,
191:2013-07-25UTC19:54:07Z
187:25 July 2013, 19:54:07
1315:Vermont Lunar CubeSat
893:Cygnus Mass Simulator
661:EDRS SpaceDataHighway
572:Jonathan's Space Page
547:. NASASpaceFlight.com
359:European Space Agency
247:Reference system
132:Spacecraft properties
74:European Space Agency
1659:United Kingdom stubs
1335:, QBScout-1, WREN),
1282:Mars Orbiter Mission
704:Orbital launches in
598:Ariane Launch Report
566:McDowell, Jonathan.
1644:Inmarsat satellites
523:Gunter's Space Page
418:geostationary orbit
378:Thales Alenia Space
157:Thales Alenia Space
34:
1235:, POPACS 1, 2, 3,
653:Spaceflight portal
242:Orbital parameters
117:Planned: 15 years
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1173:Yaogan 17 A, B, C
1152:GSAT-7 / INSAT-4F
600:. Spaceflight Now
495:. 29 October 2013
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1489:/ SKRL-756 2
1474:Ekspress AM5
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1039:Kondor № 202
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843:SpaceX CRS-2
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624:. Retrieved
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571:
568:"Launch Log"
561:
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442:eccentricity
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374:EADS Astrium
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153:EADS Astrium
149:Manufacturer
54:Mission type
29:
1487:Kosmos 2492
1483:Kosmos 2491
1469:Kosmos-2491
1465:Strela-3M 9
1461:Kosmos 2490
1457:Strela-3M 8
1453:Kosmos 2489
1449:Strela-3M 7
1445:Kosmos 2488
1262:Sirius FM-6
1117:Kounotori 4
1035:Kosmos 2487
1018:Shenzhou 10
1008:Kosmos 2486
963:Eutelsat 3D
933:Kosmos 2485
929:, CubeBug-1
879:Bion-M No.1
772:Intelsat 27
736:Kosmos 2484
732:Kosmos 2483
728:Kosmos 2482
462:Sentinel-1A
434:inclination
395:Ariane 5ECA
391:Arianespace
343:Inmarsat-XL
296:Inclination
228:Arianespace
211:Launch site
204:Ariane 5ECA
184:Launch date
163:Launch mass
1628:Categories
1345:Delfi-n3Xt
1325:DubaiSat-2
1307:Prometheus
1258:Shijian 16
1217:Kuaizhou-1
1129:PicoDragon
1082:Shijian 15
1067:48, 49, 50
1012:Persona №2
954:VNREDSat-1
815:UniBRITE-1
788:Amazonas 3
778:Globalstar
741:JSE Reda 4
626:5 December
604:29 October
577:29 October
551:29 October
528:29 October
499:29 October
472:References
251:Geocentric
224:Contractor
61:Technology
1394:Chang'e 3
1349:FUNcube-1
1337:AprizeSat
1320:Yaogan 19
1266:Yaogan 18
1166:September
1139:Arirang-5
1125:ArduSat-X
1121:ArduSat-1
958:ESTCube-1
901:Alexander
798:Landsat 8
422:longitude
267:Longitude
195: UTC
87:2013-038A
81:COSPAR ID
1418:TacSat-6
1387:December
1373:Shiyan 5
1361:ZACUBE-1
1303:PhoneSat
1275:November
1242:Astra 2E
1229:CASSIOPE
1191:Gonets-M
1187:Gonets-M
1183:Gonets-M
1096:INSAT-3D
1086:Shiyan 7
1065:Uragan-M
1059:IRNSS-1A
919:Gaofen 1
853:Satmex 8
827:STRaND-1
823:AAUSat-3
819:TUGSAT-1
807:Sapphire
764:February
750:STSat-2C
399:INSAT-3D
382:Alphabus
355:Inmarsat
339:Alphasat
143:Alphabus
70:Inmarsat
66:Operator
18:Alphasat
1429:CBERS-3
1409:USA-247
1369:A, B, C
1363:, BPA-3
1333:$ 50SAT
1329:ICube-1
1251:October
1202:USA-246
1143:USA-245
1135:USA-244
973:USA-243
968:USA-242
950:PROBA-V
875:Anik G1
848:USA-241
811:NEOSSat
755:TDRS-11
721:January
466:Ka band
426:perigee
189: (
102:SATCAT
1479:Aist 1
1339:7, 8,
1197:Hisaki
1189:No.6,
1185:No.5,
1157:Amos-4
1110:August
1077:MUOS-2
905:Graham
897:Dove 1
887:OSSI-1
883:Dove-2
713:2014 →
698:← 2012
430:apogee
411:Kourou
363:Africa
306:Period
257:Regime
215:Kourou
206:VA-214
200:Rocket
1530:is a
1413:Topaz
1404:SES-8
1367:Swarm
1357:OPTOS
1311:TJSat
1305:2.4,
1297:MAVEN
1237:DANDE
1233:CUSat
1178:LADEE
995:SES-6
869:April
836:March
803:SARAL
420:at a
407:ELA-3
401:into
316:Epoch
218:ELA-3
109:39215
1585:stub
1532:stub
1435:Gaia
1398:Yutu
1193:No.7
1052:July
1044:IRIS
989:June
909:Bell
706:2013
628:2014
606:2013
579:2013
553:2013
530:2013
501:2013
493:N2YO
376:and
367:Asia
341:and
1341:Lem
1029:O3b
1003:ATV
942:May
409:at
138:Bus
104:no.
1630::
1481:,
1467:,
1463:/
1459:,
1455:/
1451:,
1447:/
1415:,
1411:/
1355:,
1231:,
1150:,
1127:,
1123:,
1094:,
1084:,
1037:/
1010:/
956:,
952:,
925:,
921:,
907:,
903:,
899:,
895:,
885:,
825:,
821:,
817:,
813:,
809:,
805:,
786:,
743:,
734:,
730:,
596:.
570:.
521:.
509:^
491:.
480:^
369:.
1616:e
1609:t
1602:v
1591:.
1563:e
1556:t
1549:v
1538:.
1431:†
1400:)
1396:(
1131:)
889:)
689:e
682:t
675:v
630:.
608:.
581:.
555:.
532:.
503:.
193:)
20:)
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