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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 OV2-1
1 01641U 65082C 26129.27404613 .00000197 00000-0 37698-4 0 9994
2 01641 32.2958 89.8694 0018759 219.4552 140.4728 14.54799135211621Epoch: 2026-05-09T06:34Z
TLE epoch observation values (Epoch: 2026-05-09T06:34:37.585Z)
Latitude
-0.00001°
Longitude
124.11895°
Altitude
718.951 km
Speed
7.493 km/s
True Right ascension
05h 59m 28s
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
08:05:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.879 km
Perigee altitude
700.272 km
Semi-major axis
7,091.713 km
Eccentricity
0.00188
Inclination
32.2958°
RAAN
89.8694°
Arg. of periapsis
219.4552°
True anomaly
140.60936°
Mean anomaly
140.4728°
Eccentric anomaly
140.54111°
Mean motion
3.63426 °/min
Orbital period
99.06 mins
BSTAR
0.000037698
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-10 00:55:20.686Z | 199.555° SSW | 2026-05-10 00:58:20.686Z | 160.705° S | 18.411° | 2026-05-10 01:01:20.686Z | 120.64° SE |
| 7 mins | 2026-05-10 02:39:20.686Z | 229.007° WSW | 2026-05-10 02:42:20.686Z | 183.18° SSW | 28.418° | 2026-05-10 02:46:20.686Z | 116.426° SE |
| 7 mins | 2026-05-10 04:24:20.686Z | 237.929° WSW | 2026-05-10 04:27:20.686Z | 184.706° SSW | 27.709° | 2026-05-10 04:31:20.686Z | 128.769° SE |
| 5 mins | 2026-05-10 06:09:20.686Z | 230.678° WSW | 2026-05-10 06:11:20.686Z | 203.921° SW | 16.351° | 2026-05-10 06:14:20.686Z | 165.94° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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