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270:(CCAFS). The launch occurred at 23:38:00 UTC on 11 March 2011. Following liftoff the rocket flew east, placing the satellite into a
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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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Whilst details of its mission are officially classified, amateur observers have identified USA-227 as being a third-generation
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Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).
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This article about one or more spacecraft of the United States is a
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385:"Information-routing satellite was deployed by Delta 4"
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240:which was launched in 2011. It is operated by the
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255:(ULA) performed the launch of USA-227, using a
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1688:. You can help Knowledge (XXG) by
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268:Cape Canaveral Air Force Station
406:Wakelin, Peter (7 April 2011).
1750:United States spacecraft stubs
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432:Ted, Molczan (9 April 2011).
383:Ray, Justin (11 April 2011).
272:geosynchronous transfer orbit
1735:Spacecraft launched in 2011
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408:"SATOBS 2011 April 06-07"
228:, known before launch as
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264:Space Launch Complex 37B
238:communications satellite
131:11 March 2011, 23:38:00
1527:Mars Science Laboratory
358:"Mission Status Center"
253:United Launch Alliance
169:United Launch Alliance
336:Jonathan's Space Page
284:Satellite Data System
188:Reference system
100:Spacecraft properties
816:Orbital launches in
362:Delta Mission Report
330:McDowell, Jonathan.
288:geosynchronous orbit
202:Geosynchronous orbit
434:"NROL-27 / USA 227"
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316:Spaceflight portal
236:), is an American
183:Orbital parameters
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1052:GSAT-8 / INSAT-4G
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387:. Spaceflight Now
364:. Spaceflight Now
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123:Start of mission
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42:Communication
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29:NRO Launch 27
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1690:expanding it
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1602:NigComSat-1R
1507:Soyuz TMA-22
1505:
1381:Eutelsat 16A
1312:Zhongxing-1A
1284:
1277:
1273:Ekspress-AM4
1248:NigeriaSat-X
1244:NigeriaSat-2
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963:Soyuz TMA-21
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441:. Retrieved
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389:. Retrieved
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339:. Retrieved
335:
332:"Launch Log"
325:
281:
262:flying from
251:
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146:(Delta D353)
38:Mission type
15:
1572:IGS Radar 3
1537:Kosmos 2478
1488:Fobos-Grunt
1483:Kosmos 2477
1479:Kosmos 2476
1475:Kosmos 2475
1394:VesselSat-1
1376:Intelsat 18
1367:Kosmos 2474
1317:Kosmos 2473
1264:AprizeSat-6
1260:AprizeSat-5
1235:Hai Yang 2A
1095:Kosmos 2472
1085:ChinaSat 10
1043:Telstar 14R
927:Explorer-1
906:Kosmos 2471
876:Kosmos 2470
850:Kounotori 2
151:Launch site
128:Launch date
1729:Categories
1620:Meridian 5
1501:Tian Xun-1
1459:Shenzhou 8
1424:AubieSat-1
1351:QuetzSat 1
1346:Tiangong-1
1322:Arabsat 5C
1225:JCSAT-110R
1017:Meridian 4
410:. SeeSat-L
302:References
211:30.4° West
165:Contractor
1614:Ziyuan-1C
1542:Yaogan 13
1531:Curiosity
1522:AsiaSat 7
1497:Yaogan 12
1492:Yinghuo-1
1296:September
1230:Paksat-1R
1127:Raffaello
992:Yahsat 1A
292:longitude
208:Longitude
65:2011-011A
59:COSPAR ID
1551:December
1468:November
1405:ViaSat-1
1341:TacSat-4
1217:Astra 1N
1186:Spektr-R
1176:KazSat-2
996:New Dawn
983:YouthSat
900:Leonardo
869:February
443:24 April
438:SeeSat-L
414:24 April
391:24 April
368:24 April
341:24 April
48:Operator
1597:ELISA 4
1593:ELISA 3
1589:ELISA 2
1585:ELISA 1
1567:Luch 5A
1442:M-Cubed
1360:October
1307:GRAIL-B
1303:GRAIL-A
1221:BSAT-3c
1181:USA-232
1167:GSAT-12
1122:STS-135
1100:USA-231
1080:Rasad 1
1028:STS-134
1022:USA-230
974:USA-229
946:USA-227
941:USA-226
931:KySat-1
895:STS-133
881:USA-225
845:USA-224
833:January
278:Mission
266:at the
234:NROL-27
226:USA-227
159:SLC-37B
80:SATCAT
27:NROL-27
19:USA-227
1563:Amos-5
1436:DICE-2
1430:DICE-1
1390:SRMSAT
1256:EduSAT
1240:Sich 2
1205:August
1131:PSSC-2
1033:AMS-02
935:Hermes
825:2012 →
810:← 2010
248:Launch
198:Regime
139:Rocket
1448:RAX-2
1399:Jugnu
1326:SES-2
1268:BPA-2
1252:RASAT
1172:SES-3
1075:SAC-D
1037:ELC-3
987:X-Sat
955:April
923:Glory
915:March
109:SDS-3
87:37377
24:Names
1686:stub
1581:SSOT
1212:Juno
1109:July
1061:June
1048:ST-2
859:Kedr
818:2011
766:L-79
760:L-67
755:L-66
750:L-65
744:L-61
737:L-55
731:L-49
726:L-47
720:L-45
710:L-42
704:L-41
698:L-40
692:L-39
687:L-38
682:L-37
677:L-36
671:L-35
665:L-34
660:L-33
655:L-32
649:L-31
643:L-30
637:L-29
631:L-28
626:L-27
621:L-26
616:L-25
611:L-24
606:L-23
601:L-22
596:L-21
591:L-20
586:L-19
581:L-18
576:L-17
571:L-16
566:L-15
561:L-14
556:L-13
551:L-12
546:L-11
541:L-10
445:2011
416:2011
393:2011
370:2011
343:2011
1419:NPP
1305:,
1010:May
889:ATV
715:...
536:L-9
531:L-8
526:L-7
521:L-6
516:L-5
511:L-4
506:L-3
501:L-2
496:L-1
133:UTC
82:no.
52:NRO
1731::
1644:,
1640:,
1636:,
1632:,
1628:,
1595:,
1591:,
1587:,
1583:,
1579:,
1565:,
1515:,
1499:,
1490:,
1481:,
1477:,
1445:,
1439:,
1433:,
1427:,
1421:,
1412:,
1396:,
1392:,
1388:,
1369:/
1324:,
1266:,
1262:,
1258:,
1254:,
1250:,
1246:,
1242:,
1219:,
1174:,
1160:,
1156:,
1152:,
1148:,
1144:,
1129:,
1050:,
1035:,
994:,
985:,
981:,
933:,
929:,
925:,
436:.
424:^
360:.
334:.
298:.
244:.
157:,
1717:e
1710:t
1703:v
1692:.
1533:)
1529:(
1223:/
1133:)
1125:(
1039:)
1031:(
902:)
898:(
861:)
857:(
801:e
794:t
787:v
477:e
470:t
463:v
447:.
418:.
395:.
372:.
345:.
232:(
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