Key statistics
Satellite SL-8 DEB at a glance.
Uptime
12723
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: 117.127 minutes
Inclination: 73.9125 deg
SMA: 7929.867 km
Apoapsis: 1660.117 km
Periapsis: 1443.348 km
RAAN: 16.0563 deg
Eccentricy: 0.0136679
Argument of periapsis: 29.7061 deg
Mean anomaly: 157.0132 deg
Mean motion: 12.29430228 rev/day
Mean motion (dot): 0.00000002 rev/day2
B* drag term: 0.00014511 1/REarth
Two-line elements (TLE)
Creation date: Dec. 9, 2025, 7:56 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 8, 2025, 9 p.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 39836U 91009DU 25342.87543130 .00000002 00000-0 14511-3 0 9992
TLE line 2: 2 39836 73.9125 16.0563 0136679 29.7061 157.0132 12.29430228518226
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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