Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17399
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
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: 1978-026W
Object number (NORAD): 12181
Object ID (CCSDS): 12181
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.941 minutes
Inclination: 98.8497 deg
SMA: 7181.342 km
Apoapsis: 873.101 km
Periapsis: 733.312 km
RAAN: 298.923 deg
Eccentricy: 0.00973274
Argument of periapsis: 246.7423 deg
Mean anomaly: 112.3487 deg
Mean motion: 14.26574247 rev/day
Mean motion (dot): 0.00000361 rev/day2
B* drag term: 0.00016055907 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 22, 2025, 8:49 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12181U 78026W 25295.86767190 .00000361 00000-0 16056-3 0 9994
TLE line 2: 2 12181 98.8497 298.9230 0097327 246.7423 112.3487 14.26574247322790
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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