Encyclopedia Astronautica
SJ-11


Chinese military surveillance satellite. Operational, first launch 2009.11.12.

First Launch: 2009.11.12.
Last Launch: 2011.08.18.
Number: 4 .

More... - Chronology...

SJ-11 Chronology


2009 November 12 - . 02:45 GMT - . Launch Site: Jiuquan. LV Family: CZ. Launch Vehicle: CZ-2C.
  • SJ-11-01 - . Nation: China. Agency: SISE. Spacecraft: SJ-11. USAF Sat Cat: 36088 . COSPAR: 2009-061A. Apogee: 705 km (438 mi). Perigee: 688 km (427 mi). Inclination: 98.3000 deg. Period: 98.70 min. Summary: Experimental Satellite, believed to carry infrared surveillance system sensors..

2011 July 6 - . 04:28 GMT - . Launch Site: Jiuquan. LV Family: CZ. Launch Vehicle: CZ-2C.
  • SJ-11-3 - . Nation: China. Spacecraft: SJ-11. USAF Sat Cat: 37730 . COSPAR: 2011-030A. Apogee: 702 km (436 mi). Perigee: 691 km (429 mi). Inclination: 98.2000 deg. Period: 98.70 min. Summary: Military satellite, believed to be equipped with infrared sensors, perhaps for ballistic missile launch detection..

2011 July 29 - . 07:42 GMT - . Launch Site: Jiuquan. LV Family: CZ. Launch Vehicle: CZ-2C.
  • SJ-11-02 - . Nation: China. Spacecraft: SJ-11. USAF Sat Cat: 37765 . COSPAR: 2011-039A. Apogee: 705 km (438 mi). Perigee: 688 km (427 mi). Inclination: 98.1000 deg. Period: 98.70 min. Summary: Believed to carry infrared surveillance system sensors..

2011 August 18 - . 09:28 GMT - . Launch Site: Jiuquan. LV Family: CZ. Launch Vehicle: CZ-2C. FAILURE: Second stage vernier engine suffered a mechanical failure.. Failed Stage: 2.
  • SJ11-04 - . Nation: China. Spacecraft: SJ-11. COSPAR: 2011-0F02. Summary: Fourth satellite of the SJ-11 infrared surveillance system failed to reach orbit when the second stage vernier engine suffered a mechanical failure..

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