Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17399
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.1
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: 1978-026CP
Object number (NORAD): 12246
Object ID (CCSDS): 12246
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 102.49 minutes
Inclination: 99.1021 deg
SMA: 7254.609 km
Apoapsis: 915.561 km
Periapsis: 837.387 km
RAAN: 176.855 deg
Eccentricy: 0.0053879
Argument of periapsis: 275.1943 deg
Mean anomaly: 159.3271 deg
Mean motion: 14.05017451 rev/day
Mean motion (dot): 0.00000949 rev/day2
B* drag term: 0.00060967 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 6:36 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12246U 78026CP 25294.77567265 .00000949 00000-0 60967-3 0 9998
TLE line 2: 2 12246 99.1021 176.8550 0053879 275.1943 159.3271 14.05017451284363
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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