Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18353
Days in orbit
Revolutions
≈ 13.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.7
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: 1975-052LY
Object number (NORAD): 42639
Object ID (CCSDS): 42639
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 108.137 minutes
Inclination: 99.6964 deg
SMA: 7518.722 km
Apoapsis: 1193.966 km
Periapsis: 1087.208 km
RAAN: 79.7534 deg
Eccentricy: 0.00709947
Argument of periapsis: 356.6808 deg
Mean anomaly: 185.8942 deg
Mean motion: 13.31639761 rev/day
Mean motion (dot): 0.00000083 rev/day2
B* drag term: 0.000255823 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 7:03 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 42639U 75052LY 25247.29423807 .00000083 00000-0 25582-3 0 9994
TLE line 2: 2 42639 99.6964 79.7534 0070995 356.6808 185.8942 13.31639761572753
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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