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OPS 1427 (OV3-4), 2201

Orbit data source: Space-Track

OPS 1427 (OV3-4), 2201 is a payload satellite owned by USAF OAR (US) in LEO that was launched on Fri, 10 Jun 1966 UTC via an SCOUT B launch vehicle from the Wallops Island (WLPIS). 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
2201, 1966-052A
Orbit
LEO
Last TLE update
19 hours ago
Origin
Manufacturer
Space General
Mission
Defense Technology
Bus & Motor
OV3, Unknown motor
Mass
78 kg wet, 78 kg dry
Launch date (UTC)
1966-06-10 (59 years ago)
Launch vehicle
SCOUT B
Launch site
Wallops Island (WLPIS)
Object type
Payload
Rocket body
Debris
Shape & HBR
Oct Cyl, 0.7 m
Radar Cross Section
0.548 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 19 hours ago
0 OPS 1427 (OV3-4)
1 02201U 66052A   25182.37330417  .00000150  00000-0  28695-3 0  9999
2 02201  40.8866  63.7688 2233616  94.0399 291.6450 10.10016483161856
Epoch: 2025-07-01T08:57Z
TLE epoch observation values (Epoch: 2025-07-01T08:57:33.48Z)
Latitude
-0.00006°
Longitude
9.70954°
Altitude
2,345.775 km
Speed
6.879 km/s
True Right ascension
04h 15m 04s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
8.09656°
Longitude
17.16483°
Altitude
2,014.486 km
Speed
7.136 km/s
Apparent Right ascension
04h 22m 01s
Apparent Declination
-12° 27' 51"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
15:43:05
Azimuth
339.941° N
Elevation
-61.238°
Doppler factor
1
Orbital elements
Apogee altitude
4,683.726 km
Perigee altitude
644.372 km
Semi-major axis
9,042.186 km
Eccentricity
0.22336
Inclination
40.8866°
RAAN
63.7688°
Arg. of periapsis
94.0399°
True anomaly
Unknown
Mean anomaly
291.645°
Eccentric anomaly
Unknown
Mean motion
2.52425 °/min
Orbital period
142.62 mins
BSTAR
0.00028695
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Other satellites on launch #52 in the year 1966 (1966-06-10 UTC)

OPS 1427 (OV3-4) 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.
12 mins2025-07-02 18:19:45.573Z208.92° SW2025-07-02 18:27:45.573Z147.589° SSE27.12°2025-07-02 18:31:45.573Z96.388° ESE
8 mins2025-07-02 20:52:45.573Z253.742° W2025-07-02 20:57:45.573Z100.511° ESE43.999°2025-07-02 21:00:45.573Z79.956° E
7 mins2025-07-02 23:23:45.573Z280.065° WNW2025-07-02 23:26:45.573Z257.74° W44.583°2025-07-02 23:30:45.573Z104.324° ESE
8 mins2025-07-03 01:53:45.573Z251.584° W2025-07-03 01:56:45.573Z201.943° SSW23.132°2025-07-03 02:01:45.573Z154.351° SSE
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