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: 1 day ago
TLE from 1 day ago
0 OV2-1
1 01641U 65082C 26105.05051046 .00000173 00000-0 32317-4 0 9999
2 01641 32.2961 231.1613 0018602 3.1534 356.9227 14.54789722208099Epoch: 2026-04-15T01:12Z
TLE epoch observation values (Epoch: 2026-04-15T01:12:44.103Z)
Latitude
-0.00001°
Longitude
9.75955°
Altitude
695.555 km
Speed
7.518 km/s
True Right ascension
15h 24m 38s
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
17:21:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.798 km
Perigee altitude
700.414 km
Semi-major axis
7,091.743 km
Eccentricity
0.00186
Inclination
32.2961°
RAAN
231.1613°
Arg. of periapsis
3.1534°
True anomaly
356.91123°
Mean anomaly
356.9227°
Eccentric anomaly
356.91697°
Mean motion
3.63424 °/min
Orbital period
99.06 mins
BSTAR
0.000032317
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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 | 2026-04-16 12:02:54.340Z | 205.699° SW | 2026-04-16 12:05:54.340Z | 162.447° S | 20.995° | 2026-04-16 12:08:54.340Z | 119.226° SE |
| 7 mins | 2026-04-16 13:46:54.340Z | 233.5° WSW | 2026-04-16 13:49:54.340Z | 185.62° SSW | 29.097° | 2026-04-16 13:53:54.340Z | 118.232° SE |
| 7 mins | 2026-04-16 15:31:54.340Z | 237.85° WSW | 2026-04-16 15:34:54.340Z | 186.41° SSW | 25.416° | 2026-04-16 15:38:54.340Z | 133.974° SE |
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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