Key statistics
Satellite OV1-4 at a glance.
Uptime
21590
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
144.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for OV1-4.
Object identification
Identified? True
Debris? False
Object name: OV1-4
International designator: 1966-025A
Object number (NORAD): 2121
Object ID (CCSDS): 2121
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 103.802 minutes
Inclination: 144.5021 deg
SMA: 7316.4 km
Apoapsis: 999.198 km
Periapsis: 877.332 km
RAAN: 126.142 deg
Eccentricy: 0.0083283
Argument of periapsis: 351.6408 deg
Mean anomaly: 8.2897 deg
Mean motion: 13.87256021 rev/day
Mean motion (dot): 0.00000408 rev/day2
B* drag term: 0.0001134 1/REarth
Two-line elements (TLE)
Creation date: May 8, 2025, 3:01 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 7, 2025, 8 p.m. UTC
TLE line 0: 0 OV1-4
TLE line 1: 1 02121U 66025A 25127.83397148 .00000408 00000-0 11340-3 0 9999
TLE line 2: 2 02121 144.5021 126.1420 0083283 351.6408 8.2897 13.87256021994823
Live tracking on map
Real-time ground track for satellite OV1-4.
Associated space launch
The OV1 (Orbiting Vehicle 1) were small research satellite to be launched piggy back on Atlas ICBM test flights. They consisted in general of the OV1 satellite and the OV1-PM propulsion module (or upper stage) to reach orbit.
OV1-4 was lifted into orbit during the mission ‘Atlas D | OV1-4 & 5’, on board a Atlas D space rocket.
The launch took place on March 30, 1966, 9:20 a.m. from 576B3.
For more information about the launch, click the button.
Atlas D | OV1-4 & 5
Agency: N/A
Status: Launch Successful
Launch date: March 30, 1966, 9:20 a.m. UTC
Rocket: Atlas D
Launch pad: 576B3
Location: Vandenberg SFB, CA, USA
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