Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17451
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.0
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: 1978-026GW
Object number (NORAD): 17764
Object ID (CCSDS): 17764
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.98 minutes
Inclination: 99.0185 deg
SMA: 7230.515 km
Apoapsis: 886.378 km
Periapsis: 818.383 km
RAAN: 16.3242 deg
Eccentricy: 0.00470194
Argument of periapsis: 22.3142 deg
Mean anomaly: 353.521 deg
Mean motion: 14.1204611 rev/day
Mean motion (dot): 0.00000291 rev/day2
B* drag term: 0.00018141674 1/REarth
Two-line elements (TLE)
Creation date: Dec. 13, 2025, 5:47 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 7:36 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 17764U 78026GW 25347.31730705 .00000291 00000-0 18142-3 0 9996
TLE line 2: 2 17764 99.0185 16.3242 0047019 22.3142 353.5210 14.12046110 93856
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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