Kosmos 2471
| Mission type | Navigation |
|---|---|
| Operator | VKS (to December 2011) VKO (from December 2011) |
| COSPAR ID | 2011-009A |
| SATCAT № | 37372 |
| Mission duration | 10 years |
| Spacecraft properties | |
| Spacecraft | Glonass No.701K Uragan-K1 No. 11L[1] |
| Spacecraft type | Uragan-K1 |
| Bus | Ekspress-1000A |
| Manufacturer | ISS Reshetnev |
| Launch mass | 935 kilograms (2,061 lb) |
| Start of mission | |
| Launch date | 26 February 2011, 03:07:15 UTC |
| Rocket | Soyuz-2-1b/Fregat-M |
| Launch site | Plesetsk 43/4 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth |
| Semi-major axis | 25,506.62 kilometres (15,849.08 mi) |
| Eccentricity | 0.0005681 |
| Perigee | 19,121 kilometres (11,881 mi) |
| Apogee | 19,150 kilometres (11,900 mi) |
| Inclination | 64.90 degrees |
| Period | 675.69 minutes |
| Epoch | 30 November 2013, 00:58:25 UTC[2] |
Kosmos 2471 (Russian: Космос 2471 meaning Cosmos 2471), also known as Glonass-K1 No.11 is a Russian navigation satellite which was launched in 2011. The first Glonass-K satellite to be launched, it is one of two Glonass-K1 spacecraft which will serve as prototypes for the operational Glonass-K2 spacecraft.[3]
Kosmos 2471 is a 935 kilograms (2,061 lb) satellite, which was built by ISS Reshetnev based on the Ekspress-1000A satellite bus. The spacecraft has three-axis stabilisation to keep it in the correct orientation, and will broadcast signals in the L1, L2 and L3 navigation bands for Russian military and commercial users.[3] In addition to its navigation payloads, the satellite also carries a Cospas-Sarsat search and rescue payload.[3]
The satellite is located in a medium Earth orbit with an apogee of 19,279 kilometres (11,979 mi), a perigee of 19,715 kilometres (12,250 mi), and 64.8 degrees of inclination.[4] It is equipped with two solar panels to generate power, and is expected to remain in service for ten years. It is expected to enter service by the end of 2011.[5]
Kosmos 2471 was launched from Site 43/4 at the Plesetsk Cosmodrome in northwest Russia. A Soyuz-2.1b carrier rocket with a Fregat upper stage was used to perform the launch, which took place at 03:07:15 UTC on 26 February 2011.[6] The launch successfully placed the satellite into a Medium Earth orbit. It subsequently received its Kosmos designation, and the international designator 2011-009A. The United States Space Command assigned it the Satellite Catalog Number 37372.[7]
References
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