Key statistics
Satellite SL-8 DEB at a glance.
Uptime
12689
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 DEB.
Object identification
Identified? True
Debris? True
Object name: SL-8 DEB
International designator: 1990-111D
Object number (NORAD): 25563
Object ID (CCSDS): 25563
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.775 minutes
Inclination: 74.046 deg
SMA: 7125.907 km
Apoapsis: 762.124 km
Periapsis: 733.42 km
RAAN: 82.7231 deg
Eccentricy: 0.00201409
Argument of periapsis: 243.8501 deg
Mean anomaly: 131.2579 deg
Mean motion: 14.43253177 rev/day
Mean motion (dot): 0.00001726 rev/day2
B* drag term: 0.00051929503 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 7:14 p.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 25563U 90111D 25248.80175690 .00001726 00000-0 51930-3 0 9997
TLE line 2: 2 25563 74.0460 82.7231 0020141 243.8501 131.2579 14.43253177817391
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 48’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 10, 1990, 7:54 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 48
Agency: N/A
Status: Launch Successful
Launch date: Dec. 10, 1990, 7:54 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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