Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19779
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
65.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1971-020B
Object number (NORAD): 5051
Object ID (CCSDS): 5051
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.645 minutes
Inclination: 65.8151 deg
SMA: 7355.979 km
Apoapsis: 1021.808 km
Periapsis: 933.879 km
RAAN: 209.2717 deg
Eccentricy: 0.0059767
Argument of periapsis: 290.6706 deg
Mean anomaly: 68.7955 deg
Mean motion: 13.7607491 rev/day
Mean motion (dot): 0.00000012 rev/day2
B* drag term: 0.00009404 1/REarth
Two-line elements (TLE)
Creation date: May 12, 2025, 2:31 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 11, 2025, 1:32 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 05051U 71020B 25131.56433193 .00000012 00000-0 94040-4 0 9991
TLE line 2: 2 05051 65.8151 209.2717 0059767 290.6706 68.7955 13.76074910718409
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
ASAT target satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | DS-P1-M 4’, on board a Kosmos-3M space rocket.
The launch took place on March 18, 1971, 9:45 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | DS-P1-M 4
Agency: N/A
Status: Launch Successful
Launch date: March 18, 1971, 9:45 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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