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: 1 day ago
TLE from 1 day ago
0 OV1-13
1 03173U 68026A 25310.46770975 .00000121 00000-0 16955-3 0 9995
2 03173 99.9313 322.4834 3851398 110.2450 294.7286 7.25773053522046Epoch: 2025-11-06T11:13Z
TLE epoch observation values (Epoch: 2025-11-06T11:13:30.122Z)
Latitude
0.00007°
Longitude
108.18228°
Altitude
4,689.609 km
Speed
6.056 km/s
True Right ascension
21h 29m 56s
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
19:05:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
9,227.25 km
Perigee altitude
549.057 km
Semi-major axis
11,266.291 km
Eccentricity
0.38514
Inclination
99.9313°
RAAN
322.4834°
Arg. of periapsis
110.245°
True anomaly
249.84898°
Mean anomaly
294.7286°
Eccentric anomaly
272.68596°
Mean motion
1.81498 °/min
Orbital period
198.35 mins
BSTAR
0.00016955
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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. |
|---|---|---|---|---|---|---|---|
| 22 mins | 2025-11-07 23:38:44.727Z | 141.065° SSE | 2025-11-07 23:54:44.727Z | 77.791° E | 38.044° | 2025-11-08 00:00:44.727Z | 3.183° NNE |
| 18 mins | 2025-11-08 02:56:44.727Z | 216.739° SW | 2025-11-08 03:07:44.727Z | 252.135° W | 18.349° | 2025-11-08 03:14:44.727Z | 295.249° NW |
| 9 mins | 2025-11-08 13:30:44.727Z | 34.978° NE | 2025-11-08 13:32:44.727Z | 87.963° E | 39.928° | 2025-11-08 13:39:44.727Z | 184.748° SSW |
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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