Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
21864
Days in orbit
Revolutions
≈ 14.7
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.9
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: 1966-008E
Object number (NORAD): 2154
Object ID (CCSDS): 2154
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 97.876 minutes
Inclination: 97.8567 deg
SMA: 7035.226 km
Apoapsis: 689.842 km
Periapsis: 624.341 km
RAAN: 103.0474 deg
Eccentricy: 0.0046552
Argument of periapsis: 187.593 deg
Mean anomaly: 172.4578 deg
Mean motion: 14.71247235 rev/day
Mean motion (dot): 0.00002821 rev/day2
B* drag term: 0.00045756209 1/REarth
Two-line elements (TLE)
Creation date: Dec. 11, 2025, 7:14 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 1:37 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 02154U 66008E 25345.56765644 .00002821 00000-0 45756-3 0 9997
TLE line 2: 2 02154 97.8567 103.0474 0046552 187.5930 172.4578 14.71247235151423
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object DELTA 1 DEB.
Associated space launch
The ESSA series was the second generation of US meterological satellites after the TIROS (Television & Infra-Red Observation Satellite) series. They were also called OT (Operational TIROS), TOS (TIROS Operational Satellite).
DELTA 1 DEB was lifted into orbit during the mission ‘Thor Delta C | ESSA 1’, on board a Thor Delta C space rocket.
The launch took place on Feb. 3, 1966, 7:41 a.m. from Space Launch Complex 17A.
For more information about the launch, click the button.
Thor Delta C | ESSA 1
Agency: N/A
Status: Launch Successful
Launch date: Feb. 3, 1966, 7:41 a.m. UTC
Rocket: Thor Delta C
Launch pad: Space Launch Complex 17A
Location: Cape Canaveral SFS, FL, USA
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