Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17353
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: 1978-026M
Object number (NORAD): 12172
Object ID (CCSDS): 12172
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.006 minutes
Inclination: 98.8107 deg
SMA: 7184.409 km
Apoapsis: 848.407 km
Periapsis: 764.141 km
RAAN: 275.0962 deg
Eccentricy: 0.00586455
Argument of periapsis: 355.4989 deg
Mean anomaly: 182.8375 deg
Mean motion: 14.25660734 rev/day
Mean motion (dot): 0.00000631 rev/day2
B* drag term: 0.00028016248 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, 8:17 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12172U 78026M 25249.84579964 .00000631 00000-0 28016-3 0 9990
TLE line 2: 2 12172 98.8107 275.0962 0058646 355.4989 182.8375 14.25660734311592
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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