OV1-13, 3173
Orbit data source: Space-Track
OV1-13, 3173 is a payload satellite owned by USAF OAR (US) that was launched on Sat, 06 Apr 1968 UTC via an ATLAS F launch vehicle from the Air Force Western Test Range (AFWTR). 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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3173 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
GD/Convair
Mission
Spacecraft
Bus & Motor
OV1, Unknown motor
Mass
107 kg wet, 107 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: 7 hours ago
TLE from 7 hours ago
0 OV1-13
1 3173U 68026A 25288.82766229 .00000198 00000-0 27663-3 0 9998
2 3173 99.9363 315.4973 3853428 127.5244 274.2272 7.25766379520471Epoch: 2025-10-15T19:51Z
TLE epoch observation values (Epoch: 2025-10-15T19:51:50.021Z)
Latitude
0.00002°
Longitude
-7.05727°
Altitude
6,155.545 km
Speed
5.315 km/s
True Right ascension
21h 01m 59s
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
21:27:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
9,229.633 km
Perigee altitude
546.812 km
Semi-major axis
11,266.359 km
Eccentricity
0.38534
Inclination
99.9363°
RAAN
315.4973°
Arg. of periapsis
127.5244°
True anomaly
232.56069°
Mean anomaly
274.2272°
Eccentric anomaly
253.10196°
Mean motion
1.81496 °/min
Orbital period
198.35 mins
BSTAR
0.00027663
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Other satellites on launch #26 in the year 1968 (1968-04-06 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.OV1-13 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-10-16 02:48:50.306Z | 244.512° WSW | 2025-10-16 02:49:50.306Z | 255.586° W | 40.166° | 2025-10-16 02:59:50.306Z | 331.786° NNW |
| 10 mins | 2025-10-16 22:39:50.306Z | 82.311° E | 2025-10-16 22:45:50.306Z | 58.762° ENE | 14.014° | 2025-10-16 22:49:50.306Z | 35.224° NE |
| 38 mins | 2025-10-17 01:31:50.306Z | 162.111° S | 2025-10-17 01:59:50.306Z | 227.175° WSW | 44.676° | 2025-10-17 02:09:50.306Z | 342.279° N |
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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