Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17394
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.2
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: 1978-026EQ
Object number (NORAD): 12373
Object ID (CCSDS): 12373
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.634 minutes
Inclination: 99.1903 deg
SMA: 7261.43 km
Apoapsis: 893.786 km
Periapsis: 872.804 km
RAAN: 256.3672 deg
Eccentricy: 0.00144479
Argument of periapsis: 168.1357 deg
Mean anomaly: 12.9733 deg
Mean motion: 14.0303829 rev/day
Mean motion (dot): 0.00000298 rev/day2
B* drag term: 0.00022121051 1/REarth
Two-line elements (TLE)
Creation date: Oct. 17, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 4:13 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12373U 78026EQ 25289.67606985 .00000298 00000-0 22121-3 0 9992
TLE line 2: 2 12373 99.1903 256.3672 0014448 168.1357 12.9733 14.03038290257753
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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