Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17291
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.2
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: 1978-026BQ
Object number (NORAD): 12223
Object ID (CCSDS): 12223
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.562 minutes
Inclination: 99.2068 deg
SMA: 7258.019 km
Apoapsis: 909.21 km
Periapsis: 850.558 km
RAAN: 211.5822 deg
Eccentricy: 0.0040405
Argument of periapsis: 347.2314 deg
Mean anomaly: 12.7825 deg
Mean motion: 14.04027501 rev/day
Mean motion (dot): 0.00000205 rev/day2
B* drag term: 0.00015743 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 1:48 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12223U 78026BQ 25187.57525521 .00000205 00000-0 15743-3 0 9998
TLE line 2: 2 12223 99.2068 211.5822 0040405 347.2314 12.7825 14.04027501274387
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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