Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18512
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
115.2
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: 1975-027C
Object number (NORAD): 10728
Object ID (CCSDS): 10728
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.039 minutes
Inclination: 115.2072 deg
SMA: 7186.006 km
Apoapsis: 847.296 km
Periapsis: 768.446 km
RAAN: 43.5254 deg
Eccentricy: 0.00548635
Argument of periapsis: 204.9116 deg
Mean anomaly: 154.9312 deg
Mean motion: 14.25185601 rev/day
Mean motion (dot): 0.00000227 rev/day2
B* drag term: 0.00016970061 1/REarth
Two-line elements (TLE)
Creation date: Dec. 13, 2025, 5:47 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:14 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 10728U 75027C 25347.13514774 .00000227 00000-0 16970-3 0 9999
TLE line 2: 2 10728 115.2072 43.5254 0054863 204.9116 154.9312 14.25185601628510
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Geodetic research satellite
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 1410 | Geos 3’, on board a Delta 1410 space rocket.
The launch took place on April 9, 1975, 11:58 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 1410 | Geos 3
Agency: N/A
Status: Launch Successful
Launch date: April 9, 1975, 11:58 p.m. UTC
Rocket: Delta 1410
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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