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, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 OV2-1
1 01641U 65082C 26303.84388908 .00000151 00000-0 27199-4 0 9994
2 01641 32.2951 151.6004 0018721 326.5592 33.3871 14.54860798237069Epoch: 2026-10-30T20:15Z
TLE epoch observation values (Epoch: 2026-10-30T20:15:12.016Z)
Latitude
-0.00002°
Longitude
168.64216°
Altitude
697.418 km
Speed
7.516 km/s
True Right ascension
10h 06m 24s
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
03:27:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.652 km
Perigee altitude
700.1 km
Semi-major axis
7,091.513 km
Eccentricity
0.00187
Inclination
32.2951°
RAAN
151.6004°
Arg. of periapsis
326.5592°
True anomaly
33.50538°
Mean anomaly
33.3871°
Eccentric anomaly
33.44622°
Mean motion
3.63442 °/min
Orbital period
99.05 mins
BSTAR
0.000027199
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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 | 2026-10-31 17:54:06.734Z | 211.004° SW | 2026-10-31 17:58:06.734Z | 155.611° SSE | 22.792° | 2026-10-31 18:01:06.734Z | 115.685° SE |
| 7 mins | 2026-10-31 19:39:06.734Z | 230.412° WSW | 2026-10-31 19:42:06.734Z | 176.136° S | 34.945° | 2026-10-31 19:46:06.734Z | 115.555° SE |
| 7 mins | 2026-10-31 21:23:06.734Z | 244.115° WSW | 2026-10-31 21:26:06.734Z | 200.299° SSW | 29.011° | 2026-10-31 21:30:06.734Z | 137.991° SSE |
| 4 mins | 2026-10-31 23:09:06.734Z | 225.171° WSW | 2026-10-31 23:11:06.734Z | 200.085° SSW | 13.848° | 2026-10-31 23:13:06.734Z | 176.772° 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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