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: 16 hours ago
TLE from 16 hours ago
0 OV2-1
1 01641U 65082C 26141.96906344 .00000181 00000-0 34196-4 0 9995
2 01641 32.2980 15.8241 0018695 330.5601 29.3991 14.54802652213473Epoch: 2026-05-21T23:15Z
TLE epoch observation values (Epoch: 2026-05-21T23:15:27.081Z)
Latitude
-0.00002°
Longitude
147.35459°
Altitude
697.141 km
Speed
7.516 km/s
True Right ascension
01h 03m 17s
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
00:42:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.822 km
Perigee altitude
700.306 km
Semi-major axis
7,091.701 km
Eccentricity
0.00187
Inclination
32.298°
RAAN
15.8241°
Arg. of periapsis
330.5601°
True anomaly
29.50448°
Mean anomaly
29.3991°
Eccentric anomaly
29.45177°
Mean motion
3.63427 °/min
Orbital period
99.06 mins
BSTAR
0.000034196
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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 | 2026-05-22 19:15:36.041Z | 198.998° SSW | 2026-05-22 19:18:36.041Z | 156.964° SSE | 19.042° | 2026-05-22 19:21:36.041Z | 117.64° SE |
| 7 mins | 2026-05-22 20:59:36.041Z | 228.292° WSW | 2026-05-22 21:02:36.041Z | 177.287° S | 28.896° | 2026-05-22 21:06:36.041Z | 115.026° SE |
| 7 mins | 2026-05-22 22:44:36.041Z | 235.078° WSW | 2026-05-22 22:47:36.041Z | 179.113° S | 26.818° | 2026-05-22 22:51:36.041Z | 128.811° SE |
| 4 mins | 2026-05-23 00:29:36.041Z | 226.971° WSW | 2026-05-23 00:31:36.041Z | 200.364° SSW | 15.452° | 2026-05-23 00:33:36.041Z | 174.976° 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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