Key statistics
Satellite SL-8 DEB at a glance.
Uptime
17463
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
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: 1977-087C
Object number (NORAD): 24818
Object ID (CCSDS): 24818
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 104.202 minutes
Inclination: 82.9684 deg
SMA: 7335.164 km
Apoapsis: 979.848 km
Periapsis: 934.21 km
RAAN: 352.7109 deg
Eccentricy: 0.0031109
Argument of periapsis: 319.421 deg
Mean anomaly: 67.754 deg
Mean motion: 13.81936231 rev/day
Mean motion (dot): 0.00000341 rev/day2
B* drag term: 0.00030278 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 10:02 a.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 24818U 77087C 25186.41868126 .00000341 00000-0 30278-3 0 9991
TLE line 2: 2 24818 82.9684 352.7109 0031109 319.4210 67.7540 13.81936231401734
Live tracking on map
Real-time ground track for satellite SL-8 DEB.
Associated space launch
The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.
SL-8 DEB was lifted into orbit during the mission ‘Soyuz U | Zenit-2M 81’, on board a Soyuz U space rocket.
The launch took place on Sept. 13, 1977, 3:10 p.m. from 43/3 (43L).
For more information about the launch, click the button.
Soyuz U | Zenit-2M 81
Agency: N/A
Status: Launch Successful
Launch date: Sept. 13, 1977, 3:10 p.m. UTC
Rocket: Soyuz U
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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