Key statistics
Satellite SL-16 R/B at a glance.
Uptime
12990
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
71.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-16 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-16 R/B
International designator: 1990-046B
Object number (NORAD): 20625
Object ID (CCSDS): 20625
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.767 minutes
Inclination: 70.999 deg
SMA: 7220.445 km
Apoapsis: 850.847 km
Periapsis: 833.773 km
RAAN: 122.4383 deg
Eccentricy: 0.00118234
Argument of periapsis: 74.8789 deg
Mean anomaly: 285.3641 deg
Mean motion: 14.15001361 rev/day
Mean motion (dot): -0.00000026 rev/day2
B* drag term: 0.000011319408 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 7:50 p.m. UTC
TLE line 0: 0 SL-16 R/B
TLE line 1: 1 20625U 90046B 25345.82690775 -.00000026 00000-0 11319-4 0 9995
TLE line 2: 2 20625 70.9990 122.4383 0011823 74.8789 285.3641 14.15001361835964
Live tracking on map
Real-time ground track for satellite SL-16 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-16 R/B.
Associated space launch
Second generation ELING satellite
SL-16 R/B was lifted into orbit during the mission ‘Zenit-2 | Tselina-2 7’, on board a Zenit-2 space rocket.
The launch took place on May 22, 1990, 5:14 a.m. from 45/2.
For more information about the launch, click the button.
Zenit-2 | Tselina-2 7
Agency: N/A
Status: Launch Successful
Launch date: May 22, 1990, 5:14 a.m. UTC
Rocket: Zenit-2
Launch pad: 45/2
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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