Key statistics
Satellite SL-16 DEB at a glance.
Uptime
9488
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: 99.975 minutes
Inclination: 98.5584 deg
SMA: 7135.423 km
Apoapsis: 875.004 km
Periapsis: 639.572 km
RAAN: 263.5636 deg
Eccentricy: 0.0164974
Argument of periapsis: 78.5413 deg
Mean anomaly: 35.7784 deg
Mean motion: 14.40367042 rev/day
Mean motion (dot): 0.00000568 rev/day2
B* drag term: 0.00016577 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 5:54 p.m. UTC
TLE line 0: 0 SL-16 DEB
TLE line 1: 1 25864U 99039E 25188.74640123 .00000568 00000-0 16577-3 0 9994
TLE line 2: 2 25864 98.5584 263.5636 0164974 78.5413 35.7784 14.40367042360347
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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