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: 21 hours ago
TLE from 21 hours ago
0 OV2-1
1 01641U 65082C 26123.37260592 .00000248 00000-0 49366-4 0 9997
2 01641 32.2952 124.2918 0018520 167.3537 192.7576 14.54796726210766Epoch: 2026-05-03T08:56Z
TLE epoch observation values (Epoch: 2026-05-03T08:56:33.151Z)
Latitude
-0.00001°
Longitude
128.87656°
Altitude
721.497 km
Speed
7.49 km/s
True Right ascension
08h 17m 10s
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
13:58:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.717 km
Perigee altitude
700.45 km
Semi-major axis
7,091.721 km
Eccentricity
0.00185
Inclination
32.2952°
RAAN
124.2918°
Arg. of periapsis
167.3537°
True anomaly
192.71084°
Mean anomaly
192.7576°
Eccentric anomaly
192.73421°
Mean motion
3.63426 °/min
Orbital period
99.06 mins
BSTAR
0.000049366
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-05-04 06:44:18.244Z | 243.971° WSW | 2026-05-04 06:48:18.244Z | 178.45° S | 28.489° | 2026-05-04 06:52:18.244Z | 123.787° SE |
| 5 mins | 2026-05-04 08:30:18.244Z | 229.583° WSW | 2026-05-04 08:32:18.244Z | 200.051° SSW | 18.625° | 2026-05-04 08:35:18.244Z | 159.631° S |
| 7 mins | 2026-05-05 04:02:18.244Z | 213.491° SW | 2026-05-05 04:05:18.244Z | 166.977° S | 24.472° | 2026-05-05 04:09:18.244Z | 111.477° ESE |
| 7 mins | 2026-05-05 05:46:18.244Z | 238.537° WSW | 2026-05-05 05:49:18.244Z | 192.268° SSW | 29.282° | 2026-05-05 05:53:18.244Z | 122.762° 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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