Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17412
Days in orbit
Revolutions
≈ 13.8
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: 1978-026JA
Object number (NORAD): 37639
Object ID (CCSDS): 37639
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 104.016 minutes
Inclination: 98.9109 deg
SMA: 7326.456 km
Apoapsis: 1032.457 km
Periapsis: 864.184 km
RAAN: 218.0946 deg
Eccentricy: 0.01148395
Argument of periapsis: 308.0591 deg
Mean anomaly: 226.9695 deg
Mean motion: 13.84400901 rev/day
Mean motion (dot): 0.00000419 rev/day2
B* drag term: 0.00039133812 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 2:18 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 27, 2025, 1:05 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 37639U 78026JA 25300.54529082 .00000419 00000-0 39134-3 0 9993
TLE line 2: 2 37639 98.9109 218.0946 0114840 308.0591 226.9695 13.84400901678235
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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