Key statistics
Satellite COSMOS 1521 (GLONASS) at a glance.
Uptime
15167
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
66.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1521 (GLONASS).
Object identification
Identified? True
Debris? False
Object name: COSMOS 1521 (GLONASS)
International designator: 1983-127C
Object number (NORAD): 14592
Object ID (CCSDS): 14592
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 673.409 minutes
Inclination: 66.4481 deg
SMA: 25449.509 km
Apoapsis: 19229.019 km
Periapsis: 18913.73 km
RAAN: 336.2312 deg
Eccentricy: 0.0061944
Argument of periapsis: 192.0255 deg
Mean anomaly: 211.8572 deg
Mean motion: 2.13837389 rev/day
Mean motion (dot): -0.00000071 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 11:11 a.m. UTC
TLE line 0: 0 COSMOS 1521 (GLONASS)
TLE line 1: 1 14592U 83127C 25186.46607300 -.00000071 00000-0 00000-0 0 9999
TLE line 2: 2 14592 66.4481 336.2312 0061944 192.0255 211.8572 2.13837389324188
Live tracking on map
Real-time ground track for satellite COSMOS 1521 (GLONASS).
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1521 (GLONASS).
Associated space launch
GLONASS navigation satellites
COSMOS 1521 (GLONASS) was lifted into orbit during the mission ‘Proton | Uragan 4 & 5’, on board a Proton space rocket.
The launch took place on Dec. 29, 1983, 12:52 a.m. from 200/40.
For more information about the launch, click the button.

Proton | Uragan 4 & 5
Agency: N/A
Status: Launch Successful
Launch date: Dec. 29, 1983, 12:52 a.m. UTC
Rocket: Proton
Launch pad: 200/40
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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