Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17288
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.3
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: 1978-026EK
Object number (NORAD): 12291
Object ID (CCSDS): 12291
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.459 minutes
Inclination: 99.2761 deg
SMA: 7158.455 km
Apoapsis: 810.752 km
Periapsis: 749.888 km
RAAN: 351.7755 deg
Eccentricy: 0.0042512
Argument of periapsis: 348.0397 deg
Mean anomaly: 77.4601 deg
Mean motion: 14.33421234 rev/day
Mean motion (dot): 0.00001608 rev/day2
B* drag term: 0.00059492 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 3:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 3, 2025, 5:13 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12291U 78026EK 25184.71744395 .00001608 00000-0 59492-3 0 9995
TLE line 2: 2 12291 99.2761 351.7755 0042512 348.0397 77.4601 14.33421234283726
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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