Key statistics
Satellite SL-16 DEB at a glance.
Uptime
9552
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-16 DEB.
Object identification
Identified? True
Debris? True
Object name: SL-16 DEB
International designator: 1999-039E
Object number (NORAD): 25864
Object ID (CCSDS): 25864
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.969 minutes
Inclination: 98.5531 deg
SMA: 7135.17 km
Apoapsis: 873.027 km
Periapsis: 641.043 km
RAAN: 326.9903 deg
Eccentricy: 0.01625638
Argument of periapsis: 248.3926 deg
Mean anomaly: 171.0341 deg
Mean motion: 14.4044366 rev/day
Mean motion (dot): 0.00000645 rev/day2
B* drag term: 0.0001878199 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 3:46 a.m. UTC
TLE line 0: 0 SL-16 DEB
TLE line 1: 1 25864U 99039E 25252.15745050 .00000645 00000-0 18782-3 0 9992
TLE line 2: 2 25864 98.5531 326.9903 0162564 248.3926 171.0341 14.40443660369476
Live tracking on map
Real-time ground track for satellite SL-16 DEB.
Associated space launch
Okean-O was a joint Ukrainian and Russian remote sensing satellite program designed as a follow on to the Okean-O1 series. It was designed to gather remote sensing data crucial for research of natural resources of the Earth and world oceans. The mission also included ecological monitoring and management of externalities (weather forecast, hazards prevention).
SL-16 DEB was lifted into orbit during the mission ‘Zenit-2 | Okean-O’, on board a Zenit-2 space rocket.
The launch took place on July 17, 1999, 5:38 a.m. from 45/1.
For more information about the launch, click the button.
Zenit-2 | Okean-O
Agency: N/A
Status: Launch Successful
Launch date: July 17, 1999, 5:38 a.m. UTC
Rocket: Zenit-2
Launch pad: 45/1
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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