Key statistics
Satellite COSMOS 2177 (GLONASS) at a glance.
Uptime
12372
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2177 (GLONASS).
Object identification
Identified? True
Debris? False
Object name: COSMOS 2177 (GLONASS)
International designator: 1992-005A
Object number (NORAD): 21853
Object ID (CCSDS): 21853
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 675.737 minutes
Inclination: 64.7737 deg
SMA: 25508.121 km
Apoapsis: 19149.333 km
Periapsis: 19110.639 km
RAAN: 76.3997 deg
Eccentricy: 0.00075846
Argument of periapsis: 183.944 deg
Mean anomaly: 177.2128 deg
Mean motion: 2.13100787 rev/day
Mean motion (dot): -0.00000039 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 6:19 p.m. UTC
TLE line 0: 0 COSMOS 2177 (GLONASS)
TLE line 1: 1 21853U 92005A 25345.76355927 -.00000039 00000-0 00000-0 0 9991
TLE line 2: 2 21853 64.7737 76.3997 0007585 183.9440 177.2128 2.13100787263569
Live tracking on map
Real-time ground track for satellite COSMOS 2177 (GLONASS).
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 2177 (GLONASS).
Associated space launch
GLONASS navigation satellites
COSMOS 2177 (GLONASS) was lifted into orbit during the mission ‘Proton | Uragan 45 to 47’, on board a Proton space rocket.
The launch took place on Jan. 29, 1992, 10:19 p.m. from 81/23 (81L).
For more information about the launch, click the button.
Proton | Uragan 45 to 47
Agency: N/A
Status: Launch Successful
Launch date: Jan. 29, 1992, 10:19 p.m. UTC
Rocket: Proton
Launch pad: 81/23 (81L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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