Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16072
Days in orbit
Revolutions
≈ 13.9
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: 1981-087B
Object number (NORAD): 12804
Object ID (CCSDS): 12804
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.617 minutes
Inclination: 82.9285 deg
SMA: 7307.718 km
Apoapsis: 960.044 km
Periapsis: 899.122 km
RAAN: 221.9203 deg
Eccentricy: 0.00416838
Argument of periapsis: 206.3611 deg
Mean anomaly: 165.0641 deg
Mean motion: 13.8972891 rev/day
Mean motion (dot): 0.00000068 rev/day2
B* drag term: 0.000042151064 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 5:27 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 12804U 81087B 25247.22710837 .00000068 00000-0 42151-4 0 9990
TLE line 2: 2 12804 82.9285 221.9203 0041684 206.3611 165.0641 13.89728910229848
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 8’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 4, 1981, 11:06 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Tsikada 8
Agency: N/A
Status: Launch Successful
Launch date: Sept. 4, 1981, 11:06 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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