Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17450
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.0
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: 1978-026P
Object number (NORAD): 12174
Object ID (CCSDS): 12174
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.105 minutes
Inclination: 99.0491 deg
SMA: 7236.415 km
Apoapsis: 889.093 km
Periapsis: 827.466 km
RAAN: 14.8584 deg
Eccentricy: 0.00425809
Argument of periapsis: 141.1193 deg
Mean anomaly: 246.7367 deg
Mean motion: 14.10319769 rev/day
Mean motion (dot): 0.00000149 rev/day2
B* drag term: 0.00010871003 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 1:27 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12174U 78026P 25346.06059905 .00000149 00000-0 10871-3 0 9996
TLE line 2: 2 12174 99.0491 14.8584 0042581 141.1193 246.7367 14.10319769305362
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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