Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17354
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.1
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: 1978-026HJ
Object number (NORAD): 18779
Object ID (CCSDS): 18779
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.229 minutes
Inclination: 99.0676 deg
SMA: 7147.541 km
Apoapsis: 815.49 km
Periapsis: 723.321 km
RAAN: 246.6029 deg
Eccentricy: 0.00644766
Argument of periapsis: 258.2334 deg
Mean anomaly: 256.9782 deg
Mean motion: 14.36705709 rev/day
Mean motion (dot): 0.00005395 rev/day2
B* drag term: 0.0018026703 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 10:54 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 18779U 78026HJ 25250.45428443 .00005395 00000-0 18027-2 0 9995
TLE line 2: 2 18779 99.0676 246.6029 0064477 258.2334 256.9782 14.36705709952765
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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