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 Civil Science
Bus & Motor
OV2, Unknown motor
Mass
170 kg wet, 170 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, Unknown HBR
Radar Cross Section
0.424 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 OV2-1
1 01641U 65082C 25260.39837979 .00000282 00000-0 57464-4 0 9995
2 01641 32.2980 13.8322 0018870 304.3097 55.5763 14.54616932177543Epoch: 2025-09-17T09:33Z
TLE epoch observation values (Epoch: 2025-09-17T09:33:40.013Z)
Latitude
-0.00002°
Longitude
-126.15945°
Altitude
701.737 km
Speed
7.511 km/s
True Right ascension
00h 55m 19s
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
12:50:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
727.55 km
Perigee altitude
700.784 km
Semi-major axis
7,092.304 km
Eccentricity
0.00189
Inclination
32.298°
RAAN
13.8322°
Arg. of periapsis
304.3097°
True anomaly
55.75491°
Mean anomaly
55.5763°
Eccentric anomaly
55.66558°
Mean motion
3.63381 °/min
Orbital period
99.07 mins
BSTAR
0.000057464
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-19 11:13:15.510Z | 215.804° SW | 2025-09-19 11:17:15.510Z | 161.398° S | 22.547° | 2025-09-19 11:20:15.510Z | 118.034° SE |
| 7 mins | 2025-09-19 12:58:15.510Z | 234.565° WSW | 2025-09-19 13:01:15.510Z | 185.216° SSW | 29.684° | 2025-09-19 13:05:15.510Z | 119.094° SE |
| 6 mins | 2025-09-19 14:43:15.510Z | 237.298° WSW | 2025-09-19 14:46:15.510Z | 186.982° SSW | 24.628° | 2025-09-19 14:49:15.510Z | 143.618° SSE |
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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