Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17353
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.2
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: 1978-026AP
Object number (NORAD): 12198
Object ID (CCSDS): 12198
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.642 minutes
Inclination: 99.1506 deg
SMA: 7261.797 km
Apoapsis: 969.002 km
Periapsis: 798.322 km
RAAN: 159.8063 deg
Eccentricy: 0.0117519
Argument of periapsis: 334.9091 deg
Mean anomaly: 24.6392 deg
Mean motion: 14.02931993 rev/day
Mean motion (dot): 0.00000865 rev/day2
B* drag term: 0.00055262208 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 4:35 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12198U 78026AP 25249.69129712 .00000865 00000-0 55262-3 0 9995
TLE line 2: 2 12198 99.1506 159.8063 0117519 334.9091 24.6392 14.02931993271410
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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