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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
2201 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Space General
Mission
Spacecraft
Bus & Motor
OV3, Unknown motor
Mass
78 kg wet, 78 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: 20 hours ago
TLE from 20 hours ago
0 OPS 1427 (OV3-4)
1 02201U 66052A 26035.98435021 .00000224 00000-0 38340-3 0 9991
2 02201 40.8813 245.0896 2235823 35.3619 337.6612 10.10109432183952Epoch: 2026-02-04T23:37Z
TLE epoch observation values (Epoch: 2026-02-04T23:37:27.858Z)
Latitude
0.00006°
Longitude
115.5805°
Altitude
884.005 km
Speed
8.106 km/s
True Right ascension
16h 20m 21s
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
21:51:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
4,685.045 km
Perigee altitude
641.947 km
Semi-major axis
9,041.633 km
Eccentricity
0.22358
Inclination
40.8813°
RAAN
245.0896°
Arg. of periapsis
35.3619°
True anomaly
324.70667°
Mean anomaly
337.6612°
Eccentric anomaly
331.56054°
Mean motion
2.52449 °/min
Orbital period
142.6 mins
BSTAR
0.0003834
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #52 in the year 1966 (1966-06-10 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.OPS 1427 (OV3-4) Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 20 mins | 2026-02-05 21:21:10.235Z | 280.686° WNW | 2026-02-05 21:27:10.235Z | 192.135° SSW | 44.945° | 2026-02-05 21:41:10.235Z | 106.872° ESE |
| 26 mins | 2026-02-05 23:51:10.235Z | 275.246° WNW | 2026-02-05 23:59:10.235Z | 210.154° SW | 36.646° | 2026-02-06 00:17:10.235Z | 144.773° SSE |
| 20 mins | 2026-02-06 02:25:10.235Z | 252.486° W | 2026-02-06 02:33:10.235Z | 221.995° SW | 17.11° | 2026-02-06 02:45:10.235Z | 190.613° SSW |
| 5 mins | 2026-02-06 16:10:10.235Z | 176.809° S | 2026-02-06 16:12:10.235Z | 142.604° SSE | 18.345° | 2026-02-06 16:15:10.235Z | 98.944° ESE |
| 10 mins | 2026-02-06 18:38:10.235Z | 254.49° W | 2026-02-06 18:41:10.235Z | 158.846° S | 44.934° | 2026-02-06 18:48:10.235Z | 79.523° E |
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 descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|