Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18428
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.7
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: 1975-004GU
Object number (NORAD): 9710
Object ID (CCSDS): 9710
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.429 minutes
Inclination: 97.7106 deg
SMA: 7204.45 km
Apoapsis: 936.517 km
Periapsis: 716.112 km
RAAN: 87.774 deg
Eccentricy: 0.0152964
Argument of periapsis: 247.6405 deg
Mean anomaly: 110.8503 deg
Mean motion: 14.19716254 rev/day
Mean motion (dot): 0.00000179 rev/day2
B* drag term: 0.000090646 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 11:45 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 09710U 75004GU 25185.98968892 .00000179 00000-0 90646-4 0 9999
TLE line 2: 2 09710 97.7106 87.7740 0152964 247.6405 110.8503 14.19716254314777
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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