Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16095
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 SL-8 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1981-077B
Object number (NORAD): 12682
Object ID (CCSDS): 12682
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.434 minutes
Inclination: 82.9147 deg
SMA: 7346.082 km
Apoapsis: 992.463 km
Periapsis: 943.432 km
RAAN: 291.9353 deg
Eccentricy: 0.00333725
Argument of periapsis: 206.6921 deg
Mean anomaly: 153.2521 deg
Mean motion: 13.78856508 rev/day
Mean motion (dot): 0.00000175 rev/day2
B* drag term: 0.00015667233 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 10:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 3, 2025, 2:05 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 12682U 81077B 25246.08724865 .00000175 00000-0 15667-3 0 9992
TLE line 2: 2 12682 82.9147 291.9353 0033372 206.6921 153.2521 13.78856508215950
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-8 R/B.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Parus 28’, on board a Kosmos-3M space rocket.
The launch took place on Aug. 12, 1981, 5:46 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 28
Agency: N/A
Status: Launch Successful
Launch date: Aug. 12, 1981, 5:46 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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