Key statistics
Satellite SL-8 DEB at a glance.
Uptime
14941
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 DEB.
Object identification
Identified? True
Debris? True
Object name: SL-8 DEB
International designator: 1985-006D
Object number (NORAD): 15491
Object ID (CCSDS): 15491
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.252 minutes
Inclination: 74.0426 deg
SMA: 7101.014 km
Apoapsis: 731.863 km
Periapsis: 713.895 km
RAAN: 344.328 deg
Eccentricy: 0.00126514
Argument of periapsis: 102.3482 deg
Mean anomaly: 257.9096 deg
Mean motion: 14.50849056 rev/day
Mean motion (dot): 0.00002703 rev/day2
B* drag term: 0.00069149336 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 8:46 a.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 15491U 85006D 25347.36553557 .00002703 00000-0 69149-3 0 9993
TLE line 2: 2 15491 74.0426 344.3280 0012651 102.3482 257.9096 14.50849056144373
Live tracking on map
Real-time ground track for satellite SL-8 DEB.
Associated space launch
Military communications satellite
SL-8 DEB 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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