Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14047
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
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: 1987-006B
Object number (NORAD): 17304
Object ID (CCSDS): 17304
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.073 minutes
Inclination: 74.058 deg
SMA: 7140.097 km
Apoapsis: 783.533 km
Periapsis: 740.391 km
RAAN: 82.2653 deg
Eccentricy: 0.0030211
Argument of periapsis: 264.4242 deg
Mean anomaly: 95.3467 deg
Mean motion: 14.38952838 rev/day
Mean motion (dot): 0.00000161 rev/day2
B* drag term: 0.00006035 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 3:55 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 17304U 87006B 25187.16368101 .00000161 00000-0 60350-4 0 9991
TLE line 2: 2 17304 74.0580 82.2653 0030211 264.4242 95.3467 14.38952838 15784
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 41’, on board a Kosmos-3M space rocket.
The launch took place on Jan. 21, 1987, 9:10 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 41
Agency: N/A
Status: Launch Successful
Launch date: Jan. 21, 1987, 9:10 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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