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: 12 hours ago
TLE from 12 hours ago
0 OV2-1
1 01641U 65082C 25286.13456828 .00000457 00000-0 97530-4 0 9997
2 01641 32.2961 223.7618 0018643 173.9255 186.1619 14.54644152181299Epoch: 2025-10-13T03:13Z
TLE epoch observation values (Epoch: 2025-10-13T03:13:46.699Z)
Latitude
-0.00002°
Longitude
153.37549°
Altitude
722.327 km
Speed
7.49 km/s
True Right ascension
14h 55m 02s
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
09:44:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
727.301 km
Perigee altitude
700.857 km
Semi-major axis
7,092.216 km
Eccentricity
0.00186
Inclination
32.2961°
RAAN
223.7618°
Arg. of periapsis
173.9255°
True anomaly
186.13902°
Mean anomaly
186.1619°
Eccentric anomaly
186.15046°
Mean motion
3.63388 °/min
Orbital period
99.07 mins
BSTAR
0.00009753
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-10-13 23:12:59.436Z | 191.131° SSW | 2025-10-13 23:15:59.436Z | 152.549° SSE | 16.035° | 2025-10-13 23:17:59.436Z | 126.827° SE |
| 7 mins | 2025-10-14 00:56:59.436Z | 221.294° SW | 2025-10-14 00:59:59.436Z | 169.727° S | 27.472° | 2025-10-14 01:03:59.436Z | 112.137° ESE |
| 7 mins | 2025-10-14 02:40:59.436Z | 241.742° WSW | 2025-10-14 02:43:59.436Z | 195.362° SSW | 28.306° | 2025-10-14 02:47:59.436Z | 128.641° SE |
| 5 mins | 2025-10-14 04:26:59.436Z | 225.457° WSW | 2025-10-14 04:28:59.436Z | 195.271° SSW | 18.189° | 2025-10-14 04:31:59.436Z | 157.492° 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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