Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17401
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: 1978-026P
Object number (NORAD): 12174
Object ID (CCSDS): 12174
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.106 minutes
Inclination: 99.0554 deg
SMA: 7236.508 km
Apoapsis: 887.978 km
Periapsis: 828.767 km
RAAN: 326.459 deg
Eccentricy: 0.00409119
Argument of periapsis: 277.05 deg
Mean anomaly: 145.8262 deg
Mean motion: 14.1029262 rev/day
Mean motion (dot): 0.00000235 rev/day2
B* drag term: 0.00015739205 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 11:11 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12174U 78026P 25297.96624957 .00000235 00000-0 15739-3 0 9999
TLE line 2: 2 12174 99.0554 326.4590 0040912 277.0500 145.8262 14.10292620298582
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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