Key statistics
Satellite SL-8 DEB at a glance.
Uptime
12630
Days in orbit
Revolutions
≈ 12.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
73.9
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: 1991-009DU
Object number (NORAD): 39836
Object ID (CCSDS): 39836
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 117.128 minutes
Inclination: 73.9117 deg
SMA: 7929.893 km
Apoapsis: 1660.593 km
Periapsis: 1442.924 km
RAAN: 145.9713 deg
Eccentricy: 0.01372457
Argument of periapsis: 175.302 deg
Mean anomaly: 197.4817 deg
Mean motion: 12.29424156 rev/day
Mean motion (dot): 0.0 rev/day2
B* drag term: 0.00013010564 1/REarth
Two-line elements (TLE)
Creation date: Aug. 30, 2025, 11:24 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 12:35 a.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 39836U 91009DU 25242.02487811 .00000000 00000-0 13011-3 0 9993
TLE line 2: 2 39836 73.9117 145.9713 0137246 175.3020 197.4817 12.29424156505834
Live tracking on map
Real-time ground track for satellite SL-8 DEB.
Associated space launch
Military communications satellites
SL-8 DEB was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 353-360’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 12, 1991, 2:44 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 353-360
Agency: N/A
Status: Launch Successful
Launch date: Feb. 12, 1991, 2:44 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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