Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18367
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.4
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: 1975-004FU
Object number (NORAD): 9619
Object ID (CCSDS): 9619
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.482 minutes
Inclination: 97.3811 deg
SMA: 7111.968 km
Apoapsis: 806.638 km
Periapsis: 661.028 km
RAAN: 156.1033 deg
Eccentricy: 0.010237
Argument of periapsis: 183.1804 deg
Mean anomaly: 176.8753 deg
Mean motion: 14.47498293 rev/day
Mean motion (dot): 0.00002419 rev/day2
B* drag term: 0.00062615 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 7:17 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 09619U 75004FU 25125.80415091 .00002419 00000-0 62615-3 0 9993
TLE line 2: 2 09619 97.3811 156.1033 0102370 183.1804 176.8753 14.47498293612415
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 2’, on board a Delta 2910 space rocket.
The launch took place on Jan. 22, 1975, 5:55 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.

Delta 2910 | Landsat 2
Agency: N/A
Status: Launch Successful
Launch date: Jan. 22, 1975, 5:55 p.m. UTC
Rocket: Delta 2910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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