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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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Identifier
1641, 1965-082C
Orbit
LEO
Last TLE update
12 hours ago
Origin
Manufacturer
Northrop
Mission
Non-operational Civil Science
Bus & Motor
OV2, Unknown motor
Mass
170 kg wet, 170 kg dry
Launch date (UTC)
1965-10-15 (60 years ago)
Launch vehicle
TITAN IIIC
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, Unknown HBR
Radar Cross Section
0.424 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 12 hours ago
0 OV2-1
1  1641U 65082C   25109.54441105  .00000479  00000-0  10316-3 0  9998
2  1641  32.2951 173.4037 0018462  46.4426 313.7750 14.54527191155699
Epoch: 2025-04-19T13:03Z
Definitive object data (Epoch: 2025-04-19T13:03:57.114Z)
Latitude
-0.00001°
Longitude
129.52962°
Altitude
700.532 km
Speed
7.513 km/s
True Right ascension
11h 33m 36s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude
31.38425°
Longitude
-127.11721°
Altitude
702.731 km
Speed
7.514 km/s
Apparent Right ascension
19h 07m 19s
Apparent Declination
-2° 08' 48"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
07:57:14
Azimuth
19.871° NNE
Elevation
-50.568°
Doppler factor
1
Orbital elements
Apogee altitude
727.553 km
Perigee altitude
701.364 km
Semi-major axis
7,092.596 km
Eccentricity
0.0018462
Inclination
32.2951°
RAAN
173.4037°
Arg. of periapsis
46.4426°
True anomaly
313.622°
Mean anomaly
313.775°
Eccentric anomaly
313.69852°
Mean motion
3.63359 °/min
BSTAR
0.00010316
Orbital period
99.08 mins
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OV2-1 Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-04-20 07:24:11.536Z188.554° SSW2025-04-20 07:27:11.536Z150.141° SSE14.761°2025-04-20 07:29:11.536Z125.315° SE
7 mins2025-04-20 09:08:11.536Z218.453° SW2025-04-20 09:11:11.536Z165.15° S26.611°2025-04-20 09:15:11.536Z110.717° ESE
7 mins2025-04-20 10:52:11.536Z239.897° WSW2025-04-20 10:55:11.536Z190.281° SSW28.559°2025-04-20 10:59:11.536Z126.241° SE
6 mins2025-04-20 12:37:11.536Z235.549° WSW2025-04-20 12:40:11.536Z191.77° SSW18.765°2025-04-20 12:43:11.536Z154.605° SSE
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