Key statistics
Satellite COSMOS 985 at a glance.
Uptime
17447
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 985.
Object identification
Identified? True
Debris? False
Object name: COSMOS 985
International designator: 1978-007A
Object number (NORAD): 10599
Object ID (CCSDS): 10599
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.582 minutes
Inclination: 82.9441 deg
SMA: 7353.022 km
Apoapsis: 1014.419 km
Periapsis: 935.356 km
RAAN: 204.3154 deg
Eccentricy: 0.0053762
Argument of periapsis: 134.9803 deg
Mean anomaly: 225.5732 deg
Mean motion: 13.7690487 rev/day
Mean motion (dot): 0.00000094 rev/day2
B* drag term: 0.000078526 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 10:16 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 12:13 p.m. UTC
TLE line 0: 0 COSMOS 985
TLE line 1: 1 10599U 78007A 25296.50920522 .00000094 00000-0 78526-4 0 9990
TLE line 2: 2 10599 82.9441 204.3154 0053762 134.9803 225.5732 13.76904870399309
Live tracking on map
Real-time ground track for satellite COSMOS 985.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
COSMOS 985 was lifted into orbit during the mission ‘Kosmos-3M | Parus 12’, on board a Kosmos-3M space rocket.
The launch took place on Jan. 17, 1978, 3:26 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 12
Agency: N/A
Status: Launch Successful
Launch date: Jan. 17, 1978, 3:26 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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