Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17355
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
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: 1978-026DJ
Object number (NORAD): 12265
Object ID (CCSDS): 12265
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.304 minutes
Inclination: 98.8406 deg
SMA: 7151.093 km
Apoapsis: 851.936 km
Periapsis: 693.981 km
RAAN: 61.6353 deg
Eccentricy: 0.01104408
Argument of periapsis: 197.923 deg
Mean anomaly: 216.8506 deg
Mean motion: 14.35635169 rev/day
Mean motion (dot): 0.00006716 rev/day2
B* drag term: 0.0021861235 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 10:25 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12265U 78026DJ 25251.43464581 .00006716 00000-0 21861-2 0 9999
TLE line 2: 2 12265 98.8406 61.6353 0110441 197.9230 216.8506 14.35635169272786
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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