Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17353
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 1 DEB.
Object identification
Identified? True
Debris? True
Object name: DELTA 1 DEB
International designator: 1978-026GT
Object number (NORAD): 15788
Object ID (CCSDS): 15788
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 103.374 minutes
Inclination: 98.8863 deg
SMA: 7296.292 km
Apoapsis: 1004.246 km
Periapsis: 832.068 km
RAAN: 169.4314 deg
Eccentricy: 0.01179904
Argument of periapsis: 282.4764 deg
Mean anomaly: 205.8788 deg
Mean motion: 13.9299461 rev/day
Mean motion (dot): 0.00001397 rev/day2
B* drag term: 0.0010465628 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 7:38 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 15788U 78026GT 25249.31858488 .00001397 00000-0 10466-2 0 9998
TLE line 2: 2 15788 98.8863 169.4314 0117990 282.4764 205.8788 13.92994610163519
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Earth observation satellite
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2910 | Landsat 3’, on board a Delta 2910 space rocket.
The launch took place on March 5, 1978, 5:54 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.

Delta 2910 | Landsat 3
Agency: N/A
Status: Launch Successful
Launch date: March 5, 1978, 5:54 p.m. UTC
Rocket: Delta 2910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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