Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13908
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: 1987-049B
Object number (NORAD): 18096
Object ID (CCSDS): 18096
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.154 minutes
Inclination: 74.0398 deg
SMA: 7143.978 km
Apoapsis: 780.829 km
Periapsis: 750.857 km
RAAN: 221.3766 deg
Eccentricy: 0.0020977
Argument of periapsis: 27.0798 deg
Mean anomaly: 333.1445 deg
Mean motion: 14.37780594 rev/day
Mean motion (dot): 0.00000096 rev/day2
B* drag term: 0.000040672 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, 1:01 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 18096U 87049B 25187.54270439 .00000096 00000-0 40672-4 0 9997
TLE line 2: 2 18096 74.0398 221.3766 0020977 27.0798 333.1445 14.37780594994106
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
Military communications satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 42’, on board a Kosmos-3M space rocket.
The launch took place on June 9, 1987, 2:45 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 42
Agency: N/A
Status: Launch Successful
Launch date: June 9, 1987, 2:45 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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