Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17455
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: 1978-026FB
Object number (NORAD): 13564
Object ID (CCSDS): 13564
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 103.689 minutes
Inclination: 98.8814 deg
SMA: 7311.087 km
Apoapsis: 1081.587 km
Periapsis: 784.317 km
RAAN: 293.442 deg
Eccentricy: 0.02033013
Argument of periapsis: 91.3818 deg
Mean anomaly: 332.9475 deg
Mean motion: 13.88768443 rev/day
Mean motion (dot): 0.00000475 rev/day2
B* drag term: 0.00036166594 1/REarth
Two-line elements (TLE)
Creation date: Dec. 18, 2025, 2:19 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 17, 2025, 7:47 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 13564U 78026FB 25351.82485749 .00000475 00000-0 36167-3 0 9997
TLE line 2: 2 13564 98.8814 293.4420 0203301 91.3818 332.9475 13.88768443195574
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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