Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19560
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 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1971-114B
Object number (NORAD): 5707
Object ID (CCSDS): 5707
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.982 minutes
Inclination: 74.027 deg
SMA: 7135.79 km
Apoapsis: 774.377 km
Periapsis: 740.933 km
RAAN: 58.9713 deg
Eccentricy: 0.0023434
Argument of periapsis: 131.4004 deg
Mean anomaly: 228.9171 deg
Mean motion: 14.40256032 rev/day
Mean motion (dot): 0.000002 rev/day2
B* drag term: 0.000071222 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, 2:13 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 05707U 71114B 25186.09297324 .00000200 00000-0 71222-4 0 9991
TLE line 2: 2 05707 74.0270 58.9713 0023434 131.4004 228.9171 14.40256032805496
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-8 R/B.
Associated space launch
The DS-P1-Yu series of satellites was used to calibrate space surveillance and early warning radars.
SL-8 R/B was lifted into orbit during the mission ‘Kosmos 11K63 | DS-P1-Yu 49’, on board a Kosmos 11K63 space rocket.
The launch took place on Dec. 17, 1971, 10:39 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos 11K63 | DS-P1-Yu 49
Agency: N/A
Status: Launch Successful
Launch date: Dec. 17, 1971, 10:39 a.m. UTC
Rocket: Kosmos 11K63
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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