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Yaogan 9, 16, 17, 20, 25, 31 (JB-8 1, 2, 3, 4, 5, 6)

Yaogan 9 (?) [CAST]

The Chinese Yaogan 9 (Remote Sensing Satellite-9) series consists of remote sensing satellites triplets launched by a CZ-4C rocket from China's Jiuquan space center.

These satellites are likely military ocean surveillance satellites similar to the US Parcae (NOSS) series.

The first triplet was launched on 5 March 2010. A second triplet, called Yaogan 16, was launched on 25 November 2011 and a third one, Yaogan 17 followed on 1 September 2013. The fourth triplet launched on 9 August 2014, Yaogan 20, was likely a replacement for Yaogan 9.

These triplets are likely the Chinese equivalents to the US ocean surveillance NOSS satellites.

The satellites beginning with Yaogan 31 are probably a next generation.

Nation: China
Type / Application: Earth observation
Operator:
Contractors: CAST
Equipment:
Configuration:
Propulsion:
Power: 2 deployable solar arrays, batteries
Lifetime:
Mass:
Orbit: 1089 km × 1107 km, 63.4° (#9); 1085 km × 1096 km, 63.4° (#16); 1060 km × 1119 km, 63.4° (#17); 1086 km × 1092 km, 63.4° (#20); 1088 km × 1097 km, 63.41° (#25); 1087 km × 1098 km, 63.41° (#31)
Satellite COSPAR Date LS Launch Vehicle Remarks
Yaogan 9A (YG 9A, JB-8 1A) 2010-009A 05.03.2010 Jq LC-43/94 CZ-4C with Yaogan 9B, Yaogan 9C
Yaogan 9B (YG 9B, JB-8 1B) 2010-009B 05.03.2010 Jq LC-43/94 CZ-4C with Yaogan 9A, Yaogan 9C
Yaogan 9C (YG 9C, JB-8 1C) 2010-009C 05.03.2010 Jq LC-43/94 CZ-4C with Yaogan 9A, Yaogan 9B
Yaogan 16A (YG 16A, JB-8 2A) 2012-066A 25.11.2012 Jq LC-43/94 CZ-4C with Yaogan 16B, Yaogan 16C
Yaogan 16B (YG 16B, JB-8 2B) 2012-066B 25.11.2012 Jq LC-43/94 CZ-4C with Yaogan 16A, Yaogan 16C
Yaogan 16C (YG 16C, JB-8 2C) 2012-066C 25.11.2012 Jq LC-43/94 CZ-4C with Yaogan 16A, Yaogan 16B
Yaogan 17A (YG 17A, JB-8 3A) 2013-046A 01.09.2013 Jq LC-43/94 CZ-4C with Yaogan 17B, Yaogan 17C
Yaogan 17B (YG 17B, JB-8 3B) 2013-046B 01.09.2013 Jq LC-43/94 CZ-4C with Yaogan 17A, Yaogan 17C
Yaogan 17C (YG 17C, JB-8 3C) 2013-046C 01.09.2013 Jq LC-43/94 CZ-4C with Yaogan 17A, Yaogan 17B
Yaogan 20A (YG 20A, JB-8 4A) 2014-047A 09.08.2014 Jq LC-43/94 CZ-4C with Yaogan 20B, Yaogan 20C
Yaogan 20B (YG 20B, JB-8 4B) 2014-047B 09.08.2014 Jq LC-43/94 CZ-4C with Yaogan 20A, Yaogan 20C
Yaogan 20C (YG 20C, JB-8 4C) 2014-047C 09.08.2014 Jq LC-43/94 CZ-4C with Yaogan 20A, Yaogan 20B
Yaogan 25A (YG 25A, JB-8 5A) 2014-080A 10.12.2014 Jq LC-43/94 CZ-4C with Yaogan 25B, Yaogan 25C
Yaogan 25B (YG 25B, JB-8 5B) 2014-080B 10.12.2014 Jq LC-43/94 CZ-4C with Yaogan 25A, Yaogan 25C
Yaogan 25C (YG 25C, JB-8 5C) 2014-080C 10.12.2014 Jq LC-43/94 CZ-4C with Yaogan 25A, Yaogan 25B
Yaogan 31A (YG 31A, JB-8 6A) 2018-034A 10.04.2018 Jq LC-43/94 CZ-4C with Yaogan 31B, Yaogan 31C, Weina 1B
Yaogan 31B (YG 31B, JB-8 6B) 2018-034B 10.04.2018 Jq LC-43/94 CZ-4C with Yaogan 31A, Yaogan 31C, Weina 1B
Yaogan 31C (YG 31C, JB-8 6C) 2018-034C 10.04.2018 Jq LC-43/94 CZ-4C with Yaogan 31A, Yaogan 31B, Weina 1B
Yaogan 31D (YG 31D, JB-8 6D) 2021-007A 29.01.2021 Jq LC-43/94 CZ-4C with Yaogan 31E, Yaogan 31F
Yaogan 31E (YG 31E, JB-8 6E) 2021-007B 29.01.2021 Jq LC-43/94 CZ-4C with Yaogan 31D, Yaogan 31F
Yaogan 31F (YG 31F, JB-8 6F) 2021-007E 29.01.2021 Jq LC-43/94 CZ-4C with Yaogan 31D, Yaogan 31E
Yaogan 31G (YG 31G, JB-8 6G) 2021-014A 24.02.2021 Jq LC-43/94 CZ-4C with Yaogan 31H, Yaogan 31I
Yaogan 31H (YG 31H, JB-8 6H) 2021-014C 24.02.2021 Jq LC-43/94 CZ-4C with Yaogan 31G, Yaogan 31I
Yaogan 31I (YG 31J, JB-8 6J) 2021-014E 24.02.2021 Jq LC-43/94 CZ-4C with Yaogan 31G, Yaogan 31H
Yaogan 31J (YG 31K, JB-8 6K) 2021-020A 13.03.2021 Jq LC-43/94 CZ-4C with Yaogan 31K, Yaogan 31L
Yaogan 31K (YG 31L, JB-8 6L) 2021-020C 13.03.2021 Jq LC-43/94 CZ-4C with Yaogan 31J, Yaogan 31L
Yaogan 31L (YG 31M, JB-8 6M) 2021-020D 13.03.2021 Jq LC-43/94 CZ-4C with Yaogan 31J, Yaogan 31K

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