Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19836
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: 65.8156 deg
SMA: 7355.968 km
Apoapsis: 1022.315 km
Periapsis: 933.351 km
RAAN: 67.2407 deg
Eccentricy: 0.006047
Argument of periapsis: 267.1604 deg
Mean anomaly: 92.2537 deg
Mean motion: 13.76077887 rev/day
Mean motion (dot): -0.00000031 rev/day2
B* drag term: 0.000050363 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:45 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 05051U 71020B 25188.90691232 -.00000031 00000-0 50363-4 0 9993
TLE line 2: 2 05051 65.8156 67.2407 0060470 267.1604 92.2537 13.76077887726291
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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