Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14662
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1985-079B
Object number (NORAD): 16012
Object ID (CCSDS): 16012
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.164 minutes
Inclination: 74.0568 deg
SMA: 7144.428 km
Apoapsis: 776.489 km
Periapsis: 756.098 km
RAAN: 295.1003 deg
Eccentricy: 0.00142706
Argument of periapsis: 160.3417 deg
Mean anomaly: 199.829 deg
Mean motion: 14.37644565 rev/day
Mean motion (dot): 0.00000279 rev/day2
B* drag term: 0.00010134525 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 11:18 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 16012U 85079B 25297.97149302 .00000279 00000-0 10135-3 0 9990
TLE line 2: 2 16012 74.0568 295.1003 0014271 160.3417 199.8290 14.37644565101756
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
Military communications satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 37’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 4, 1985, 7:05 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 37
Agency: N/A
Status: Launch Successful
Launch date: Sept. 4, 1985, 7:05 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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