Beidou-IGSO

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Beidou-IGSO

Beidou IGS 1
Credit: Manufacturer Image

The Chinese Beidou-2 navigation satellite Inclined Geosynchronous Orbit constellation consisted satellites deployed in three planes, in 24-hour orbits at 38,300 km altitude, but inclined at 55 degrees to the equator. The orbits were such that one satellite would be over Chinese territory at all times, providing an overhead signal allowing navigation even when surrounded by tall buildings or rugged terrain.

Status: Operational 2010. First Launch: 2010-07-31. Last Launch: 2011-12-01. Number: 5 . Gross mass: 2,600 kg (5,700 lb).

More at: BD-2M.

Family: Navigation. Country: China. Launch Vehicles: Chang Zheng 3A. Bibliography: 12153.

2010 July 31 - . 21:30 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: Chang Zheng 3A.

Beidou IGS 1 - . Payload: Beidou DW5. Mass: 2,600 kg (5,700 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou-IGSO. USAF Sat Cat: 36828 . COSPAR: 2010-036A. Apogee: 35,901 km (22,307 mi). Perigee: 35,680 km (22,170 mi). Inclination: 55.00 deg. Period: 1,436.30 min. First satellite placed in the Beidou-2 inclined geosynchronous orbit constellation; placed in Plane 1 at 118 deg E..

2010 December 17 - . 20:20 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: Chang Zheng 3A.

Beidou IGS 2 - . Payload: Beidou DW7. Mass: 2,600 kg (5,700 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou-IGSO. USAF Sat Cat: 37256 . COSPAR: 2010-068A. Apogee: 35,857 km (22,280 mi). Perigee: 35,722 km (22,196 mi). Inclination: 55.20 deg. Period: 1,436.20 min. Second satellite placed in the Beidou-2 inclined geosynchronous orbit constellation; placed in Plane 1 at 118 deg E..

2011 April 9 - . 20:47 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: Chang Zheng 3A.

Beidou IGS 3 - . Payload: Beidou DW8. Mass: 2,600 kg (5,700 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou-IGSO. USAF Sat Cat: 37384 . COSPAR: 2011-013A. Apogee: 35,874 km (22,291 mi). Perigee: 35,696 km (22,180 mi). Inclination: 55.30 deg. Period: 1,436.00 min. Third satellite placed in the Beidou-2 inclined geosynchronous orbit constellation; placed in Plane 1 at 118 deg E. This completed population of the first plane of the IGSO component..

2011 July 26 - . 21:44 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: Chang Zheng 3A.

Beidou IGS 4 - . Payload: Beidou DW9. Mass: 2,600 kg (5,700 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou-IGSO. USAF Sat Cat: 37763 . COSPAR: 2011-038A. Apogee: 35,864 km (22,284 mi). Perigee: 35,698 km (22,181 mi). Inclination: 55.20 deg. Period: 1,435.80 min. Fourth satellite placed in the Beidou-2 inclined geosynchronous orbit constellation; placed in Plane 2 at 95 deg E..

2011 December 1 - . 21:07 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: Chang Zheng 3A.

Beidou IGS 5 - . Payload: Beidou DW10. Mass: 2,600 kg (5,700 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou-IGSO. USAF Sat Cat: 37948 . COSPAR: 2011-073A. Apogee: 35,866 km (22,286 mi). Perigee: 35,705 km (22,186 mi). Inclination: 55.20 deg. Period: 1,436.00 min. Fifth satellite placed in the Beidou-2 inclined geosynchronous orbit constellation; placed in Plane 2 at 95 deg E. This ended launches into the IGSO component for the next several years..

2016 March 29 - . 20:11 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: Chang Zheng 3A.

Beidou DW 22 - . Payload: Beidou IGSO 6. Nation: China. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou-IGSO. USAF Sat Cat: 41434 . COSPAR: 2016-021A. Apogee: 35,796 km (22,242 mi). Perigee: 195 km (121 mi). Inclination: 55.00 deg.

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