Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17353
Days in orbit
Revolutions
≈ 13.3
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: 1978-026DG
Object number (NORAD): 12263
Object ID (CCSDS): 12263
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 108.036 minutes
Inclination: 98.9221 deg
SMA: 7514.021 km
Apoapsis: 1453.788 km
Periapsis: 817.985 km
RAAN: 34.3211 deg
Eccentricy: 0.04230775
Argument of periapsis: 345.0219 deg
Mean anomaly: 13.8691 deg
Mean motion: 13.32889431 rev/day
Mean motion (dot): 0.00000478 rev/day2
B* drag term: 0.00063920119 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, 9:58 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12263U 78026DG 25249.91592694 .00000478 00000-0 63920-3 0 9996
TLE line 2: 2 12263 98.9221 34.3211 0423078 345.0219 13.8691 13.32889431132016
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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