Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16376
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: 1981-013B
Object number (NORAD): 12298
Object ID (CCSDS): 12298
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.582 minutes
Inclination: 82.9483 deg
SMA: 7352.99 km
Apoapsis: 996.158 km
Periapsis: 953.553 km
RAAN: 186.7373 deg
Eccentricy: 0.00289713
Argument of periapsis: 210.5718 deg
Mean anomaly: 214.1197 deg
Mean motion: 13.76913901 rev/day
Mean motion (dot): 0.00000122 rev/day2
B* drag term: 0.00010789766 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:33 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 12298U 81013B 25347.64821309 .00000122 00000-0 10790-3 0 9994
TLE line 2: 2 12298 82.9483 186.7373 0028971 210.5718 214.1197 13.76913901251726
Live tracking on map
Real-time ground track for satellite 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 26’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 12, 1981, 6:21 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 26
Agency: N/A
Status: Launch Successful
Launch date: Feb. 12, 1981, 6:21 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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