Key statistics
Satellite SL-8 R/B at a glance.
Uptime
15634
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: 100.107 minutes
Inclination: 73.9975 deg
SMA: 7141.728 km
Apoapsis: 775.803 km
Periapsis: 751.384 km
RAAN: 246.6136 deg
Eccentricy: 0.00170962
Argument of periapsis: 57.4233 deg
Mean anomaly: 78.5744 deg
Mean motion: 14.38459946 rev/day
Mean motion (dot): 0.00000235 rev/day2
B* drag term: 0.000085481931 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 1:43 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 13649U 82109B 25242.57173635 .00000235 00000-0 85482-4 0 9996
TLE line 2: 2 13649 73.9975 246.6136 0017096 57.4233 78.5744 14.38459946241881
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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