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Kosmos 2471

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Kosmos 2471

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 (2011-02-26T03:07:15Z) 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 Kospas-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

  1. ^ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 30 November 2013. 
  2. ^ Peat, Chris (30 November 2013). "COSMOS 2471 (GLONASS) - Orbit". Heavens Above. Retrieved 30 November 2013. 
  3. ^ a b c Krebs, Gunter. "Uragan-K1 (GLONASS-K1)". Gunter's Space Page. Retrieved 14 March 2011. 
  4. ^ McDowell, Jonathan. "Issue 639". Jonathan's Space Report. Retrieved 15 March 2011. 
  5. ^ "Russia To Start Operating New Glonass-K Satellite By Year End". Space Daily. 7 March 2011. Retrieved 15 March 2011. 
  6. ^ Zak, Anatoly. "GLONASS-K". RussianSpaceWeb. Retrieved 15 March 2011. 
  7. ^ Christy, Robert. "Space events - 2011". Zarya. Retrieved 14 March 2011. 
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