Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18448
Days in orbit
Revolutions
≈ 13.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.8
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: 1975-052LZ
Object number (NORAD): 42640
Object ID (CCSDS): 42640
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 107.055 minutes
Inclination: 99.7969 deg
SMA: 7468.472 km
Apoapsis: 1251.901 km
Periapsis: 928.773 km
RAAN: 154.8729 deg
Eccentricy: 0.02163281
Argument of periapsis: 167.697 deg
Mean anomaly: 314.5013 deg
Mean motion: 13.45101671 rev/day
Mean motion (dot): 0.00000763 rev/day2
B* drag term: 0.0011886986 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:38 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 42640U 75052LZ 25346.31848705 .00000763 00000-0 11887-2 0 9994
TLE line 2: 2 42640 99.7969 154.8729 0216328 167.6970 314.5013 13.45101671590922
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Experimental meteorological satellite
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2910 | Nimbus 6’, on board a Delta 2910 space rocket.
The launch took place on June 12, 1975, 8:12 a.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 2910 | Nimbus 6
Agency: N/A
Status: Launch Successful
Launch date: June 12, 1975, 8:12 a.m. UTC
Rocket: Delta 2910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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