Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14836
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: 100.165 minutes
Inclination: 74.0432 deg
SMA: 7144.478 km
Apoapsis: 780.013 km
Periapsis: 752.674 km
RAAN: 252.3251 deg
Eccentricy: 0.0019133
Argument of periapsis: 217.799 deg
Mean anomaly: 315.5651 deg
Mean motion: 14.3762957 rev/day
Mean motion (dot): 0.0000038 rev/day2
B* drag term: 0.00013505452 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, 7:31 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 15483U 85006B 25242.81340338 .00000380 00000-0 13505-3 0 9993
TLE line 2: 2 15483 74.0432 252.3251 0019133 217.7990 315.5651 14.37629570126598
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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