Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13987
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: 100.075 minutes
Inclination: 74.0577 deg
SMA: 7140.183 km
Apoapsis: 782.555 km
Periapsis: 741.542 km
RAAN: 191.3798 deg
Eccentricy: 0.002872
Argument of periapsis: 26.2761 deg
Mean anomaly: 333.9843 deg
Mean motion: 14.3892686 rev/day
Mean motion (dot): 0.00000282 rev/day2
B* drag term: 0.000099547 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, 10:18 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 17304U 87006B 25127.92963909 .00000282 00000-0 99547-4 0 9990
TLE line 2: 2 17304 74.0577 191.3798 0028720 26.2761 333.9843 14.38926860 7263
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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