Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17289
Days in orbit
Revolutions
≈ 14.3
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: 1978-026HV
Object number (NORAD): 26861
Object ID (CCSDS): 26861
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.735 minutes
Inclination: 98.7794 deg
SMA: 7171.582 km
Apoapsis: 864.79 km
Periapsis: 722.103 km
RAAN: 171.6047 deg
Eccentricy: 0.0099481
Argument of periapsis: 284.4533 deg
Mean anomaly: 74.5626 deg
Mean motion: 14.29487467 rev/day
Mean motion (dot): 0.00000132 rev/day2
B* drag term: 0.000066292 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 3:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 3, 2025, 6:01 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 26861U 78026HV 25184.75089659 .00000132 00000-0 66292-4 0 9990
TLE line 2: 2 26861 98.7794 171.6047 0099481 284.4533 74.5626 14.29487467140901
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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