Key statistics
Satellite SL-8 DEB at a glance.
Uptime
12629
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: 99.784 minutes
Inclination: 74.0464 deg
SMA: 7126.349 km
Apoapsis: 762.218 km
Periapsis: 734.211 km
RAAN: 195.5387 deg
Eccentricy: 0.001965
Argument of periapsis: 6.8991 deg
Mean anomaly: 26.744 deg
Mean motion: 14.43118832 rev/day
Mean motion (dot): 0.00000767 rev/day2
B* drag term: 0.00023577 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 12:17 a.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 25563U 90111D 25188.01218515 .00000767 00000-0 23577-3 0 9997
TLE line 2: 2 25563 74.0464 195.5387 0019650 6.8991 26.7440 14.43118832808622
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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