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: 13 hours ago
TLE from 13 hours ago
0 OV2-1
1 01641U 65082C 25308.78201829 .00000349 00000-0 72787-4 0 9999
2 01641 32.2959 91.6931 0018598 12.7979 347.3136 14.54662720184590Epoch: 2025-11-04T18:46Z
TLE epoch observation values (Epoch: 2025-11-04T18:46:06.380Z)
Latitude
-0.00001°
Longitude
125.9024°
Altitude
696.274 km
Speed
7.517 km/s
True Right ascension
06h 06m 46s
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
03:14:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
727.209 km
Perigee altitude
700.829 km
Semi-major axis
7,092.156 km
Eccentricity
0.00186
Inclination
32.2959°
RAAN
91.6931°
Arg. of periapsis
12.7979°
True anomaly
347.26669°
Mean anomaly
347.3136°
Eccentric anomaly
347.29016°
Mean motion
3.63392 °/min
Orbital period
99.07 mins
BSTAR
0.000072787
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Other satellites on launch #82 in the year 1965 (1965-10-15 UTC)
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-11-05 13:07:09.924Z | 190.545° SSW | 2025-11-05 13:09:09.924Z | 163.997° S | 16.773° | 2025-11-05 13:12:09.924Z | 123.406° SE |
| 7 mins | 2025-11-05 14:51:09.924Z | 220.508° SW | 2025-11-05 14:54:09.924Z | 163.835° S | 27.638° | 2025-11-05 14:58:09.924Z | 110.929° ESE |
| 7 mins | 2025-11-05 16:35:09.924Z | 239.805° WSW | 2025-11-05 16:38:09.924Z | 189.088° SSW | 27.998° | 2025-11-05 16:42:09.924Z | 128.527° SE |
| 5 mins | 2025-11-05 18:20:09.924Z | 233.544° WSW | 2025-11-05 18:22:09.924Z | 206.836° SW | 17.179° | 2025-11-05 18:25:09.924Z | 166.463° S |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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