Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17394
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.6
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: 1978-026HA
Object number (NORAD): 17768
Object ID (CCSDS): 17768
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.739 minutes
Inclination: 98.6159 deg
SMA: 7124.213 km
Apoapsis: 801.135 km
Periapsis: 691.022 km
RAAN: 297.5552 deg
Eccentricy: 0.00772813
Argument of periapsis: 113.3487 deg
Mean anomaly: 39.1624 deg
Mean motion: 14.43767873 rev/day
Mean motion (dot): 0.0000118 rev/day2
B* drag term: 0.00034777514 1/REarth
Two-line elements (TLE)
Creation date: Oct. 15, 2025, 2:21 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 14, 2025, 12:10 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 17768U 78026HA 25287.50735421 .00001180 00000-0 34778-3 0 9995
TLE line 2: 2 17768 98.6159 297.5552 0077281 113.3487 39.1624 14.43767873286883
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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