Key statistics
Satellite COBE DEB at a glance.
Uptime
13175
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for COBE DEB.
Object identification
Identified? True
Debris? True
Object name: COBE DEB
International designator: 1989-089D
Object number (NORAD): 20328
Object ID (CCSDS): 20328
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 102.515 minutes
Inclination: 98.9219 deg
SMA: 7255.819 km
Apoapsis: 878.975 km
Periapsis: 876.392 km
RAAN: 349.7945 deg
Eccentricy: 0.00017798
Argument of periapsis: 262.5495 deg
Mean anomaly: 212.0068 deg
Mean motion: 14.04666159 rev/day
Mean motion (dot): 0.00000312 rev/day2
B* drag term: 0.0002224326 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 2:57 p.m. UTC
TLE line 0: 0 COBE DEB
TLE line 1: 1 20328U 89089D 25347.62316664 .00000312 00000-0 22243-3 0 9996
TLE line 2: 2 20328 98.9219 349.7945 0001780 262.5495 212.0068 14.04666159847061
Live tracking on map
Real-time ground track for satellite COBE DEB.
Associated space launch
Cosmology research satellite
COBE DEB was lifted into orbit during the mission ‘Delta 5920-8 | COBE’, on board a Delta 5920-8 space rocket.
The launch took place on Nov. 18, 1989, 2:34 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 5920-8 | COBE
Agency: N/A
Status: Launch Successful
Launch date: Nov. 18, 1989, 2:34 p.m. UTC
Rocket: Delta 5920-8
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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