Key statistics
Satellite SL-8 R/B at a glance.
Uptime
15877
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: 1982-037B
Object number (NORAD): 13149
Object ID (CCSDS): 13149
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.239 minutes
Inclination: 74.0403 deg
SMA: 7147.988 km
Apoapsis: 779.784 km
Periapsis: 759.921 km
RAAN: 73.3543 deg
Eccentricy: 0.00138943
Argument of periapsis: 253.122 deg
Mean anomaly: 106.841 deg
Mean motion: 14.36570929 rev/day
Mean motion (dot): 0.00000562 rev/day2
B* drag term: 0.00020006548 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 2:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 15, 2025, 8:37 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 13149U 82037B 25288.85930876 .00000562 00000-0 20007-3 0 9994
TLE line 2: 2 13149 74.0403 73.3543 0013894 253.1220 106.8410 14.36570929273911
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 27’, on board a Kosmos-3M space rocket.
The launch took place on April 28, 1982, 2:52 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 27
Agency: N/A
Status: Launch Successful
Launch date: April 28, 1982, 2:52 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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