Key statistics
Satellite SL-8 R/B at a glance.
Uptime
17646
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
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: 1977-062B
Object number (NORAD): 10138
Object ID (CCSDS): 10138
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.79 minutes
Inclination: 82.9379 deg
SMA: 7362.751 km
Apoapsis: 1000.198 km
Periapsis: 969.034 km
RAAN: 144.0096 deg
Eccentricy: 0.00211633
Argument of periapsis: 154.6676 deg
Mean anomaly: 314.7686 deg
Mean motion: 13.74176836 rev/day
Mean motion (dot): 0.00000187 rev/day2
B* drag term: 0.00018214071 1/REarth
Two-line elements (TLE)
Creation date: Oct. 30, 2025, 3:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 29, 2025, 11:19 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 10138U 77062B 25302.97192556 .00000187 00000-0 18214-3 0 9996
TLE line 2: 2 10138 82.9379 144.0096 0021163 154.6676 314.7686 13.74176836418942
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
Civilian navigation satellite equivalent to the purely military Parus
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Tsikada 2’, on board a Kosmos-3M space rocket.
The launch took place on July 8, 1977, 5:30 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Tsikada 2
Agency: N/A
Status: Launch Successful
Launch date: July 8, 1977, 5:30 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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