Key statistics
Satellite ATLAS AGENA D R/B at a glance.
Uptime
21640
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
35.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS AGENA D R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS AGENA D R/B
International designator: 1966-031B
Object number (NORAD): 2144
Object ID (CCSDS): 2144
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.68 minutes
Inclination: 35.0416 deg
SMA: 7121.409 km
Apoapsis: 748.702 km
Periapsis: 737.845 km
RAAN: 108.433 deg
Eccentricy: 0.0007623
Argument of periapsis: 132.7354 deg
Mean anomaly: 227.3979 deg
Mean motion: 14.44620909 rev/day
Mean motion (dot): 0.00000261 rev/day2
B* drag term: 0.000080071 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 3:27 a.m. UTC
TLE line 0: 0 ATLAS AGENA D R/B
TLE line 1: 1 02144U 66031B 25186.14401047 .00000261 00000-0 80071-4 0 9999
TLE line 2: 2 02144 35.0416 108.4330 0007623 132.7354 227.3979 14.44620909112556
Live tracking on map
Real-time ground track for satellite ATLAS AGENA D R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object ATLAS AGENA D R/B.
Associated space launch
OAO 1 (Orbiting Astronomical Observatory 1) was a solar-cell-powered satellite instrumented to make precision astronomical observations and to measure the absorption and emission characteristics of the stars, planets, nebulae, and the interplanetary and interstellar media from visible to gamma-ray regions.
ATLAS AGENA D R/B was lifted into orbit during the mission ‘Atlas SLV-3 Agena D | OAO 1’, on board a Atlas SLV-3 Agena D space rocket.
The launch took place on April 8, 1966, 7:35 p.m. from Launch Complex 12.
For more information about the launch, click the button.
Atlas SLV-3 Agena D | OAO 1
Agency: N/A
Status: Launch Successful
Launch date: April 8, 1966, 7:35 p.m. UTC
Rocket: Atlas SLV-3 Agena D
Launch pad: Launch Complex 12
Location: Cape Canaveral SFS, FL, USA
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