Official name YAOGAN 9A
Alternative name Yaogan Weixing 9A (YW-9A)
Cospar ID 2010-009A
Norad ID 36413
Launch date 2010-03-05
Launch site JSC
Launch vehicle CZ-4C
Country/Organization China
Type application Earth observation
RCS size LARGE
Decay date ON ORBIT
Period (min) 107.03
Inclination (deg) 63.37
Perigee (km) 740
Apogee (km) 1439
Eccentricity 0.320789352914181
Mean motion (revs. per day) 13.454171727553
Semi-Major axis (km) 7467.635
Raan (deg) 292.6876
Arg of perigee (deg) 15.9224
Shape Box + 2 Pan
Mass (kg) 500
Height (m) 1.5
Width (m) 1.5
Depth (m) 1.5
Span (m^2) 5
Contractors CAST
Power 2 deployable solar arrays, batteries

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.

Satellite COSPAR Date LS Launch Vehicle Remarks
YAOGAN 9A 2010-009A 2010-03-05 JSC CZ-4C with Yaogan 9B, Yaogan 9C
YAOGAN 9B 2010-009B 2010-03-05 JSC CZ-4C with Yaogan 9A, Yaogan 9C
YAOGAN 9C 2010-009C 2010-03-05 JSC CZ-4C with Yaogan 9A, Yaogan 9B
YAOGAN 16A 2012-066A 2012-11-25 JSC CZ-4C with Yaogan 16B, Yaogan 16C
YAOGAN 16B 2012-066B 2012-11-25 JSC CZ-4C with Yaogan 16A, Yaogan 16C
YAOGAN 16C 2012-066C 2012-11-25 JSC CZ-4C with Yaogan 16A, Yaogan 16B
YAOGAN 17A 2013-046A 2013-09-01 JSC CZ-4C with Yaogan 17B, Yaogan 17C
YAOGAN 17B 2013-046B 2013-09-01 JSC CZ-4C with Yaogan 17A, Yaogan 17C
YAOGAN 17C 2013-046C 2013-09-01 JSC CZ-4C with Yaogan 17A, Yaogan 17B
YAOGAN 20A 2014-047A 2014-08-09 JSC CZ-4C with Yaogan 20B, Yaogan 20C
YAOGAN 20B 2014-047B 2014-08-09 JSC CZ-4C with Yaogan 20A, Yaogan 20C
YAOGAN 20C 2014-047C 2014-08-09 JSC CZ-4C with Yaogan 20A, Yaogan 20B
YAOGAN 25A 2014-080A 2014-12-10 JSC CZ-4C with Yaogan 25B, Yaogan 25C
YAOGAN 25B 2014-080B 2014-12-10 JSC CZ-4C with Yaogan 25A, Yaogan 25C
YAOGAN 25C 2014-080C 2014-12-10 JSC CZ-4C with Yaogan 25A, Yaogan 25B
YAOGAN-31 A 2018-034A 2018-04-10 JSC CZ-4C with Yaogan 31B, Yaogan 31C, Weina 1B
YAOGAN-31 B 2018-034B 2018-04-10 JSC CZ-4C with Yaogan 31A, Yaogan 31C, Weina 1B
YAOGAN-31 C 2018-034C 2018-04-10 JSC CZ-4C with Yaogan 31A, Yaogan 31B, Weina 1B
YAOGAN-31 D 2021-007A 2021-01-29 JSC CZ-4C with Yaogan 31E, Yaogan 31F
YAOGAN-31 E 2021-007B 2021-01-29 JSC CZ-4C with Yaogan 31D, Yaogan 31F
YAOGAN-31 F 2021-007E 2021-01-29 JSC CZ-4C with Yaogan 31D, Yaogan 31E
YAOGAN-31 G 2021-014A 2021-02-24 JSC CZ-4C with Yaogan 31H, Yaogan 31I
YAOGAN-31 H 2021-014C 2021-02-24 JSC CZ-4C with Yaogan 31G, Yaogan 31I
YAOGAN-31 J 2021-014E 2021-02-24 JSC CZ-4C with Yaogan 31G, Yaogan 31H
YAOGAN-31 K 2021-020A 2021-03-13 JSC CZ-4C with Yaogan 31K, Yaogan 31L
YAOGAN-31 L 2021-020C 2021-03-13 JSC CZ-4C with Yaogan 31J, Yaogan 31L
YAOGAN-31 M 2021-020D 2021-03-13 JSC CZ-4C with Yaogan 31J, Yaogan 31K