Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16975
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: 1978-105B
Object number (NORAD): 11112
Object ID (CCSDS): 11112
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.101 minutes
Inclination: 74.0296 deg
SMA: 7141.437 km
Apoapsis: 786.341 km
Periapsis: 740.264 km
RAAN: 261.8467 deg
Eccentricy: 0.003226
Argument of periapsis: 77.0246 deg
Mean anomaly: 283.4507 deg
Mean motion: 14.38547879 rev/day
Mean motion (dot): 0.00000386 rev/day2
B* drag term: 0.0001339 1/REarth
Two-line elements (TLE)
Creation date: May 8, 2025, 3:01 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 7, 2025, 8:03 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 11112U 78105B 25127.83563061 .00000386 00000-0 13390-3 0 9992
TLE line 2: 2 11112 74.0296 261.8467 0032260 77.0246 283.4507 14.38547879433543
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
Military communications satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 19’, on board a Kosmos-3M space rocket.
The launch took place on Nov. 16, 1978, 9:45 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 19
Agency: N/A
Status: Launch Successful
Launch date: Nov. 16, 1978, 9:45 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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