Key statistics
Satellite SL-8 R/B at a glance.
Uptime
17158
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
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: 1978-053B
Object number (NORAD): 10918
Object ID (CCSDS): 10918
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.534 minutes
Inclination: 82.9136 deg
SMA: 7350.774 km
Apoapsis: 994.311 km
Periapsis: 950.968 km
RAAN: 331.8644 deg
Eccentricy: 0.0029482
Argument of periapsis: 203.0031 deg
Mean anomaly: 167.7326 deg
Mean motion: 13.77536525 rev/day
Mean motion (dot): 0.00000011 rev/day2
B* drag term: -0.0000042145 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, 6:58 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 10918U 78053B 25133.79092583 .00000011 00000-0 -42145-5 0 9993
TLE line 2: 2 10918 82.9136 331.8644 0029482 203.0031 167.7326 13.77536525360086
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
Film-return reconnaissance satellite
SL-8 R/B was lifted into orbit during the mission ‘Soyuz U | Zenit-4MKT 6’, on board a Soyuz U space rocket.
The launch took place on May 23, 1978, 7:30 a.m. from 43/4 (43R).
For more information about the launch, click the button.
Soyuz U | Zenit-4MKT 6
Agency: N/A
Status: Launch Successful
Launch date: May 23, 1978, 7:30 a.m. UTC
Rocket: Soyuz U
Launch pad: 43/4 (43R)
Location: Plesetsk Cosmodrome, Russian Federation
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