Kosmos 2477

Kosmos 2477 (Russian: Космос 2477 meaning Cosmos 2477) is one of a set of three Russian military satellites launched in 2011 as part of the GLONASS satellite navigation system. It was launched with Kosmos 2475 and Kosmos 2476.

Kosmos 2477

Mission type	Navigation
Operator	Russian Space Forces
COSPAR ID	2011-064B[1][2]
SATCAT no.	37868[1][2]
Spacecraft properties
Spacecraft	GC 745
Spacecraft type	Uragan-M
Manufacturer	Reshetnev ISS[3]
Launch mass	1,415 kilograms (3,120 lb) [3]
Dimensions	1.3 metres (4 ft 3 in) diameter [3]
Power	1,540 watts[3]
Start of mission
Launch date	November 4, 2011, 16:51 (2011-11-04UTC16:51Z) UTC
Rocket	Proton-M/Briz-M[3]
Launch site	Baikonur 81/24
Orbital parameters
Reference system	Geocentric
Regime	Medium Earth orbit[4]
Semi-major axis	25,476 kilometres (15,830 mi)[1]
Eccentricity	0.0031[1]
Perigee altitude	19,018 kilometres (11,817 mi)[1]
Apogee altitude	19,178 kilometres (11,917 mi)[1]
Inclination	64.78 degrees[1]
Period	674.47 minutes[1]
GLONASS (satellites) ← Kosmos 2476 Kosmos 2478 → Kosmos (satellites) ← Kosmos 2476 Kosmos 2478 →

This satellites is a GLONASS-M satellite, also known as Uragan-M, and is numbered Uragan-M No. 745.^[1][5]

Kosmos 2475/6/7 were launched from Site 81/24 at Baikonur Cosmodrome in Kazakhstan. A Proton-M carrier rocket with a Briz-M upper stage was used to perform the launch which took place at 16:51 UTC on 4 November 2011.^[6] The launch successfully placed the satellites into Medium Earth orbit. It subsequently received its Kosmos designation, and the international designator 2011-064B. The United States Space Command assigned it the Satellite Catalog Number 37868.^[1][5]

It is in the first orbital plane of the GLONASS constellation, in orbital slot 7. It started operations on 18 December 2011.^[6][7]

See also

• Spaceflight portal

• List of Kosmos satellites (2251–2500)
• List of Proton launches (2010–2019)