Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17291
Days in orbit
Revolutions
≈ 14.0
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: 1978-026GX
Object number (NORAD): 17765
Object ID (CCSDS): 17765
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.952 minutes
Inclination: 99.0369 deg
SMA: 7276.394 km
Apoapsis: 928.81 km
Periapsis: 867.708 km
RAAN: 282.2606 deg
Eccentricy: 0.0041987
Argument of periapsis: 168.8118 deg
Mean anomaly: 247.0004 deg
Mean motion: 13.9871249 rev/day
Mean motion (dot): 0.00000034 rev/day2
B* drag term: 0.000053757 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 5:21 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 17765U 78026GX 25187.22318919 .00000034 00000-0 53757-4 0 9995
TLE line 2: 2 17765 99.0369 282.2606 0041987 168.8118 247.0004 13.98712490 51593
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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