Key statistics
Satellite SL-16 DEB at a glance.
Uptime
9601
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
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: 99.959 minutes
Inclination: 98.5478 deg
SMA: 7134.688 km
Apoapsis: 873.829 km
Periapsis: 639.278 km
RAAN: 16.2817 deg
Eccentricy: 0.01643738
Argument of periapsis: 100.9436 deg
Mean anomaly: 282.8328 deg
Mean motion: 14.40589568 rev/day
Mean motion (dot): 0.00001124 rev/day2
B* drag term: 0.00031349653 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 7:11 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 28, 2025, 11:12 a.m. UTC
TLE line 0: 0 SL-16 DEB
TLE line 1: 1 25864U 99039E 25301.46705580 .00001124 00000-0 31350-3 0 9994
TLE line 2: 2 25864 98.5478 16.2817 0164374 100.9436 282.8328 14.40589568376572
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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