Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16077
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
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: 1981-084B
Object number (NORAD): 12792
Object ID (CCSDS): 12792
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.079 minutes
Inclination: 74.0274 deg
SMA: 7140.417 km
Apoapsis: 771.996 km
Periapsis: 752.567 km
RAAN: 270.8733 deg
Eccentricy: 0.00136046
Argument of periapsis: 193.7759 deg
Mean anomaly: 166.3026 deg
Mean motion: 14.38856316 rev/day
Mean motion (dot): 0.00000511 rev/day2
B* drag term: 0.00017444919 1/REarth
Two-line elements (TLE)
Creation date: Sept. 2, 2025, 11:42 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 2, 2025, 1:09 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 12792U 81084B 25245.54840383 .00000511 00000-0 17445-3 0 9996
TLE line 2: 2 12792 74.0274 270.8733 0013605 193.7759 166.3026 14.38856316305819
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
Military communications satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 25’, on board a Kosmos-3M space rocket.
The launch took place on Aug. 28, 1981, 4:18 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 25
Agency: N/A
Status: Launch Successful
Launch date: Aug. 28, 1981, 4:18 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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