Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18447
Days in orbit
Revolutions
≈ 14.5
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: 1975-052AX
Object number (NORAD): 21329
Object ID (CCSDS): 21329
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.279 minutes
Inclination: 99.6772 deg
SMA: 7102.281 km
Apoapsis: 807.976 km
Periapsis: 640.317 km
RAAN: 2.0421 deg
Eccentricy: 0.0118032
Argument of periapsis: 202.463 deg
Mean anomaly: 177.8954 deg
Mean motion: 14.50460628 rev/day
Mean motion (dot): 0.00037068 rev/day2
B* drag term: 0.008634879 1/REarth
Two-line elements (TLE)
Creation date: Dec. 11, 2025, 10:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 7:22 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21329U 75052AX 25345.30744933 .00037068 00000-0 86349-2 0 9994
TLE line 2: 2 21329 99.6772 2.0421 0118032 202.4630 177.8954 14.50460628741289
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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