Key statistics
Satellite SL-8 DEB at a glance.
Uptime
12510
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: 1991-009BV
Object number (NORAD): 21406
Object ID (CCSDS): 21406
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 116.906 minutes
Inclination: 73.9139 deg
SMA: 7919.867 km
Apoapsis: 1647.58 km
Periapsis: 1435.885 km
RAAN: 238.6112 deg
Eccentricy: 0.0133648
Argument of periapsis: 265.7569 deg
Mean anomaly: 249.2612 deg
Mean motion: 12.31759488 rev/day
Mean motion (dot): 0.00000135 rev/day2
B* drag term: 0.0012271 1/REarth
Two-line elements (TLE)
Creation date: May 14, 2025, 3:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 13, 2025, 5:50 p.m. UTC
TLE line 0: 0 SL-8 DEB
TLE line 1: 1 21406U 91009BV 25133.74305767 .00000135 00000-0 12271-2 0 9999
TLE line 2: 2 21406 73.9139 238.6112 0133648 265.7569 249.2612 12.31759488531435
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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