Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17229
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: 100.479 minutes
Inclination: 99.2708 deg
SMA: 7159.426 km
Apoapsis: 812.512 km
Periapsis: 750.071 km
RAAN: 288.3371 deg
Eccentricy: 0.0043607
Argument of periapsis: 157.5226 deg
Mean anomaly: 262.1043 deg
Mean motion: 14.33129417 rev/day
Mean motion (dot): 0.0000458 rev/day2
B* drag term: 0.0016685 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 10:46 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12291U 78026EK 25125.44904528 .00004580 00000-0 16685-2 0 9994
TLE line 2: 2 12291 99.2708 288.3371 0043607 157.5226 262.1043 14.33129417275234
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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