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Compass-IGSO1

Compass-IGSO1
Mission typeNavigation
COSPAR ID2010-036A Edit this at Wikidata
SATCAT no.36828
Mission duration8 years
Spacecraft properties
BusDFH-3
ManufacturerCAST
Start of mission
Launch date31 July 2010, 21:30:04 (2010-07-31UTC21:30:04Z) UTC[1]
RocketChang Zheng 3C
Launch siteXichang LC-2
Orbital parameters
Reference systemGeocentric
RegimeGeosynchronous
Perigee altitude35,653 kilometres (22,154 mi)
Apogee altitude35,924 kilometres (22,322 mi)
Inclination54.47 degrees
Period23.93 hours
Epoch25 December 2013, 12:35:30 UTC[2]

Compass-IGSO1, also known as Beidou-2 IGSO1 is a Chinese navigation satellite which will become part of the Compass navigation system. It was launched in July 2010, and became the fifth Compass satellite to be launched after Compass-M1, G2, G1, and G3.

Compass-IGSO1 was launched at 21:30 GMT on 31 July 2010.[3] The launch used a Long March 3A carrier rocket, flying from the Xichang Satellite Launch Centre. The satellite is developed in the basis of the DFH-3 satellite platform and has a lifespan of 8 years.

Instruments

The primary instrument aboard Compass-IGSO1 is a navigation system operating in the L-band. Compass-IGSO1 is the second satellite of the Compass navigation system with an optical synchronization link. The timing functionality is provided by two instruments on board the space segment, the Laser Time Transfer (LTT) instrument consisting of a corner-cube retroflector array (hexagonal shape 49 × 43 cm, 90 pcs, 33 mm diameter, 770 cm2 reflective area[4]) and a single-photon avalanche diode based detector developed in cooperation with CTU.[5] The ground segment uses the dedicated Chinese satellite laser ranging network. The combination of traditional passive laser ranging with active single photon detection aboard produces data for the ground-to-space oscillator time-base with 10−11 s precision.

See also

References

  1. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 25 December 2013.
  2. ^ "BEIDOU IGSO 1 Satellite details 2010-036A NORAD 36828". N2YO. 25 December 2013. Retrieved 25 December 2013.
  3. ^ Rui C. Barbosa (2010-08-01). "Long March launches fifth GPS satellite for China". nasaspaceflight.com. Retrieved 2023-03-10.
  4. ^ "Laser Retro Reflective Arrays on the Compass Satellites". Chinese Academy of Sciences. 2008-10-17. Retrieved 2011-01-06.
  5. ^ "Detektor vyvinutý na FJFI úspěšně pracuje už na druhé čínské družici" [Detector developed on FNSPE successfully operating on second Chinese satellite] (in Czech). Czech Technical University in Prague. 2011-01-02. Archived from the original on 2013-01-05. Retrieved 2011-01-06.


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