Key statistics
Satellite SL-8 R/B at a glance.
Uptime
15680
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: 1982-109B
Object number (NORAD): 13649
Object ID (CCSDS): 13649
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.104 minutes
Inclination: 73.9993 deg
SMA: 7141.591 km
Apoapsis: 776.877 km
Periapsis: 750.035 km
RAAN: 160.9747 deg
Eccentricy: 0.00187928
Argument of periapsis: 320.6918 deg
Mean anomaly: 50.0336 deg
Mean motion: 14.38501341 rev/day
Mean motion (dot): 0.00000384 rev/day2
B* drag term: 0.00013427446 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, 10:25 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 13649U 82109B 25288.93460668 .00000384 00000-0 13427-3 0 9995
TLE line 2: 2 13649 73.9993 160.9747 0018793 320.6918 50.0336 14.38501341248557
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 30’, on board a Kosmos-3M space rocket.
The launch took place on Nov. 11, 1982, 6:14 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 30
Agency: N/A
Status: Launch Successful
Launch date: Nov. 11, 1982, 6:14 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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