Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17356
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
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: 1978-026S
Object number (NORAD): 12177
Object ID (CCSDS): 12177
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 103.248 minutes
Inclination: 98.9322 deg
SMA: 7290.362 km
Apoapsis: 1023.724 km
Periapsis: 800.73 km
RAAN: 1.803 deg
Eccentricy: 0.01529375
Argument of periapsis: 212.6506 deg
Mean anomaly: 204.6918 deg
Mean motion: 13.94694671 rev/day
Mean motion (dot): 0.00000555 rev/day2
B* drag term: 0.00040557924 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 7:12 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12177U 78026S 25252.30062653 .00000555 00000-0 40558-3 0 9992
TLE line 2: 2 12177 98.9322 1.8030 0152937 212.6506 204.6918 13.94694671260710
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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