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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Edit Public Description
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: 18 hours ago
TLE from 18 hours ago
0 OV2-1
1 01641U 65082C 25326.07620868 .00000345 00000-0 71759-4 0 9993
2 01641 32.2981 350.8435 0018571 167.8338 192.2759 14.54681144187116Epoch: 2025-11-22T01:49Z
TLE epoch observation values (Epoch: 2025-11-22T01:49:44.429Z)
Latitude
-0.00002°
Longitude
-97.90173°
Altitude
721.932 km
Speed
7.49 km/s
True Right ascension
23h 23m 22s
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
17:13:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
727.129 km
Perigee altitude
700.788 km
Semi-major axis
7,092.095 km
Eccentricity
0.00186
Inclination
32.2981°
RAAN
350.8435°
Arg. of periapsis
167.8338°
True anomaly
192.23076°
Mean anomaly
192.2759°
Eccentric anomaly
192.25332°
Mean motion
3.63397 °/min
Orbital period
99.07 mins
BSTAR
0.000071759
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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 | 2025-11-23 06:06:48.044Z | 209.155° SW | 2025-11-23 06:09:48.044Z | 157.95° S | 24.32° | 2025-11-23 06:12:48.044Z | 115.624° SE |
| 7 mins | 2025-11-23 07:50:48.044Z | 234.995° WSW | 2025-11-23 07:53:48.044Z | 181.012° SSW | 29.624° | 2025-11-23 07:57:48.044Z | 119.997° SE |
| 6 mins | 2025-11-23 09:35:48.044Z | 233.906° WSW | 2025-11-23 09:37:48.044Z | 202.767° SW | 22.214° | 2025-11-23 09:41:48.044Z | 145.76° SSE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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