Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18407
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: 108.136 minutes
Inclination: 99.6914 deg
SMA: 7518.682 km
Apoapsis: 1193.39 km
Periapsis: 1087.703 km
RAAN: 127.3183 deg
Eccentricy: 0.0070283
Argument of periapsis: 234.5321 deg
Mean anomaly: 187.0161 deg
Mean motion: 13.31650395 rev/day
Mean motion (dot): 0.00000056 rev/day2
B* drag term: 0.00020107077 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 6:11 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 42639U 75052LY 25297.75820685 .00000056 00000-0 20107-3 0 9993
TLE line 2: 2 42639 99.6914 127.3183 0070283 234.5321 187.0161 13.31650395579471
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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