Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14941
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: 1985-006B
Object number (NORAD): 15483
Object ID (CCSDS): 15483
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.159 minutes
Inclination: 74.0467 deg
SMA: 7144.175 km
Apoapsis: 779.388 km
Periapsis: 752.693 km
RAAN: 62.0119 deg
Eccentricy: 0.00186827
Argument of periapsis: 354.2761 deg
Mean anomaly: 60.9597 deg
Mean motion: 14.37720915 rev/day
Mean motion (dot): 0.00000405 rev/day2
B* drag term: 0.00014326534 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 6:18 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 15483U 85006B 25346.26313666 .00000405 00000-0 14327-3 0 9992
TLE line 2: 2 15483 74.0467 62.0119 0018683 354.2761 60.9597 14.37720915141465
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 36’, on board a Kosmos-3M space rocket.
The launch took place on Jan. 17, 1985, 5:46 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 36
Agency: N/A
Status: Launch Successful
Launch date: Jan. 17, 1985, 5:46 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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