Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18351
Days in orbit
Revolutions
≈ 13.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
100.0
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: 1975-052FS
Object number (NORAD): 21497
Object ID (CCSDS): 21497
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 108.031 minutes
Inclination: 100.0051 deg
SMA: 7513.775 km
Apoapsis: 1179.685 km
Periapsis: 1091.594 km
RAAN: 181.5086 deg
Eccentricy: 0.00586196
Argument of periapsis: 319.5289 deg
Mean anomaly: 95.2473 deg
Mean motion: 13.32955015 rev/day
Mean motion (dot): 0.00000014 rev/day2
B* drag term: 0.00011736615 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 6:24 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21497U 75052FS 25250.76680800 .00000014 00000-0 11737-3 0 9998
TLE line 2: 2 21497 100.0051 181.5086 0058620 319.5289 95.2473 13.32955015670376
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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