OV3-3, 2389
Orbit data source: Space-Track
OV3-3, 2389 is a payload satellite owned by USAF OAR (US) in LEO that was launched on Thu, 04 Aug 1966 UTC via an SCOUT B launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Space General
Mission
Spacecraft
Bus & Motor
OV3, Unknown motor
Mass
77 kg wet, 77 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 OV3-3
1 2389U 66070A 25335.80668117 .00008872 00000-0 41198-3 0 9997
2 2389 81.3253 144.4296 1036060 307.8012 43.3595 13.39480156572488Epoch: 2025-12-01T19:21Z
TLE epoch observation values (Epoch: 2025-12-01T19:21:37.253Z)
Latitude
0.00002°
Longitude
143.12349°
Altitude
592.324 km
Speed
7.823 km/s
True Right ascension
09h 37m 43s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
22:08:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,884.091 km
Perigee altitude
332.783 km
Semi-major axis
7,486.574 km
Eccentricity
0.10361
Inclination
81.3253°
RAAN
144.4296°
Arg. of periapsis
307.8012°
True anomaly
52.31706°
Mean anomaly
43.3595°
Eccentric anomaly
47.75384°
Mean motion
3.35057 °/min
Orbital period
107.44 mins
BSTAR
0.00041198
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Other satellites on launch #70 in the year 1966 (1966-08-04 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.OV3-3 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-12-02 01:22:52.411Z | 319.102° NNW | 2025-12-02 01:28:52.411Z | 284.145° WNW | 18.044° | 2025-12-02 01:34:52.411Z | 248.208° W |
| 11 mins | 2025-12-02 11:36:52.411Z | 152.766° SSE | 2025-12-02 11:40:52.411Z | 86.453° E | 36.388° | 2025-12-02 11:47:52.411Z | 19.63° NNE |
| 11 mins | 2025-12-02 13:25:52.411Z | 246.853° WSW | 2025-12-02 13:29:52.411Z | 296.572° NW | 26.131° | 2025-12-02 13:36:52.411Z | 353.483° N |
| 13 mins | 2025-12-02 21:03:52.411Z | 22.416° NNE | 2025-12-02 21:09:52.411Z | 60.09° ENE | 20.176° | 2025-12-02 21:16:52.411Z | 102.576° ESE |
| 19 mins | 2025-12-02 22:50:52.411Z | 354.812° N | 2025-12-02 22:59:52.411Z | 65.942° ENE | 44.137° | 2025-12-02 23:09:52.411Z | 165.064° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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