Key statistics
Satellite SL-16 R/B at a glance.
Uptime
7856
Days in orbit
Revolutions
≈ 14.1
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: 2004-021B
Object number (NORAD): 28353
Object ID (CCSDS): 28353
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.797 minutes
Inclination: 71.0017 deg
SMA: 7221.875 km
Apoapsis: 847.584 km
Periapsis: 839.897 km
RAAN: 55.9556 deg
Eccentricy: 0.00053217
Argument of periapsis: 201.071 deg
Mean anomaly: 159.0194 deg
Mean motion: 14.14580832 rev/day
Mean motion (dot): -0.0000022 rev/day2
B* drag term: -0.000089864307 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 6:25 a.m. UTC
TLE line 0: 0 SL-16 R/B
TLE line 1: 1 28353U 04021B 25346.26795184 -.00000220 00000-0 -89864-4 0 9995
TLE line 2: 2 28353 71.0017 55.9556 0005322 201.0710 159.0194 14.14580832110475
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 22’, on board a Zenit-2 space rocket.
The launch took place on June 10, 2004, 1:28 a.m. from 45/1.
For more information about the launch, click the button.
Zenit-2 | Tselina-2 22
Agency: N/A
Status: Launch Successful
Launch date: June 10, 2004, 1:28 a.m. UTC
Rocket: Zenit-2
Launch pad: 45/1
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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