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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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
BOX + 4 PAN, 1.3 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 OV2-1
1 01641U 65082C 26251.00706161 .00000180 00000-0 33678-4 0 9990
2 01641 32.2962 99.8096 0018790 219.6703 140.2569 14.54844278229368Epoch: 2026-09-08T00:10Z
TLE epoch observation values (Epoch: 2026-09-08T00:10:10.123Z)
Latitude
0.00003°
Longitude
110.18781°
Altitude
718.79 km
Speed
7.493 km/s
True Right ascension
06h 39m 14s
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
11:44:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.754 km
Perigee altitude
700.104 km
Semi-major axis
7,091.566 km
Eccentricity
0.00188
Inclination
32.2962°
RAAN
99.8096°
Arg. of periapsis
219.6703°
True anomaly
140.39431°
Mean anomaly
140.2569°
Eccentric anomaly
140.32563°
Mean motion
3.63438 °/min
Orbital period
99.05 mins
BSTAR
0.000033678
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-09-09 21:03:01.919Z | 251.272° W | 2026-09-09 21:07:01.919Z | 201.069° SSW | 28.699° | 2026-09-09 21:11:01.919Z | 138.724° SSE |
| 5 mins | 2026-09-10 16:38:01.919Z | 190.815° SSW | 2026-09-10 16:40:01.919Z | 163.992° S | 18.767° | 2026-09-10 16:43:01.919Z | 123.179° SE |
| 7 mins | 2026-09-10 18:22:01.919Z | 221.208° SW | 2026-09-10 18:25:01.919Z | 164.295° S | 32.906° | 2026-09-10 18:29:01.919Z | 111.01° ESE |
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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