Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18288
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: 101.6 minutes
Inclination: 99.9849 deg
SMA: 7212.556 km
Apoapsis: 940.642 km
Periapsis: 728.2 km
RAAN: 159.9406 deg
Eccentricy: 0.0147273
Argument of periapsis: 184.8451 deg
Mean anomaly: 175.1303 deg
Mean motion: 14.17323431 rev/day
Mean motion (dot): 0.00004452 rev/day2
B* drag term: 0.0020019 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 3:18 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21686U 75052JN 25185.13775250 .00004452 00000-0 20019-2 0 9992
TLE line 2: 2 21686 99.9849 159.9406 0147273 184.8451 175.1303 14.17323431705418
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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