OV2-1, 1641
Orbit data source: Space-Track
OV2-1, 1641 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Fri, 15 Oct 1965 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). 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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1641 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Northrop
Mission
Non-operational spacecraft
Bus & Motor
OV2, Unknown motor
Mass
170 kg wet, 170 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: 9 hours ago
TLE from 9 hours ago
0 OV2-1
1 01641U 65082C 25357.16413048 .00000259 00000-0 52241-4 0 9996
2 01641 32.2944 169.5472 0018278 82.5423 277.7299 14.54706117191642Epoch: 2025-12-23T03:56Z
TLE epoch observation values (Epoch: 2025-12-23T03:56:20.873Z)
Latitude
-0°
Longitude
18.50842°
Altitude
707.271 km
Speed
7.505 km/s
True Right ascension
11h 18m 11s
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
12:20:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.841 km
Perigee altitude
700.915 km
Semi-major axis
7,092.015 km
Eccentricity
0.00183
Inclination
32.2944°
RAAN
169.5472°
Arg. of periapsis
82.5423°
True anomaly
277.52229°
Mean anomaly
277.7299°
Eccentric anomaly
277.6261°
Mean motion
3.63403 °/min
Orbital period
99.06 mins
BSTAR
0.000052241
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Other satellites on launch #82 in the year 1965 (1965-10-15 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.OV2-1 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-23 15:42:38.373Z | 206.857° SW | 2025-12-23 15:45:38.373Z | 166.424° S | 20.262° | 2025-12-23 15:49:38.373Z | 112.887° SE |
| 7 mins | 2025-12-23 17:27:38.373Z | 225.67° WSW | 2025-12-23 17:30:38.373Z | 165.813° S | 28.652° | 2025-12-23 17:34:38.373Z | 113.116° SE |
| 7 mins | 2025-12-23 19:11:38.373Z | 240.288° WSW | 2025-12-23 19:14:38.373Z | 190.974° SSW | 25.648° | 2025-12-23 19:18:38.373Z | 134.266° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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