Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18448
Days in orbit
Revolutions
≈ 14.2
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: 1975-052JN
Object number (NORAD): 21686
Object ID (CCSDS): 21686
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 101.388 minutes
Inclination: 99.993 deg
SMA: 7202.543 km
Apoapsis: 927.237 km
Periapsis: 721.579 km
RAAN: 341.2479 deg
Eccentricy: 0.01427677
Argument of periapsis: 101.067 deg
Mean anomaly: 260.6595 deg
Mean motion: 14.20280135 rev/day
Mean motion (dot): 0.00010759 rev/day2
B* drag term: 0.0045565078 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 5:14 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21686U 75052JN 25346.21805769 .00010759 00000-0 45565-2 0 9999
TLE line 2: 2 21686 99.9930 341.2479 0142768 101.0670 260.6595 14.20280135728250
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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