Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17347
Days in orbit
Revolutions
≈ 14.1
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: 1978-026HZ
Object number (NORAD): 37638
Object ID (CCSDS): 37638
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.872 minutes
Inclination: 98.8587 deg
SMA: 7225.43 km
Apoapsis: 887.049 km
Periapsis: 807.541 km
RAAN: 138.7989 deg
Eccentricy: 0.005502
Argument of periapsis: 199.6473 deg
Mean anomaly: 160.258 deg
Mean motion: 14.13537071 rev/day
Mean motion (dot): 0.00000933 rev/day2
B* drag term: 0.00051137501 1/REarth
Two-line elements (TLE)
Creation date: Aug. 27, 2025, 8:01 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 27, 2025, 10:58 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 37638U 78026HZ 25239.45743010 .00000933 00000-0 51138-3 0 9991
TLE line 2: 2 37638 98.8587 138.7989 0055020 199.6473 160.2580 14.13537071557157
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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