Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17451
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.0
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: 1978-026BJ
Object number (NORAD): 12217
Object ID (CCSDS): 12217
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.127 minutes
Inclination: 98.9562 deg
SMA: 7190.147 km
Apoapsis: 826.323 km
Periapsis: 797.702 km
RAAN: 2.1386 deg
Eccentricy: 0.00199035
Argument of periapsis: 328.3855 deg
Mean anomaly: 91.8399 deg
Mean motion: 14.23954361 rev/day
Mean motion (dot): 0.00001305 rev/day2
B* drag term: 0.00058795046 1/REarth
Two-line elements (TLE)
Creation date: Dec. 11, 2025, 10:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 6:44 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12217U 78026BJ 25345.28063836 .00001305 00000-0 58795-3 0 9997
TLE line 2: 2 12217 98.9562 2.1386 0019903 328.3855 91.8399 14.23954361313655
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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