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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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Identifier
3173, 1968-026A
Orbit
Active
Last TLE update
3 days ago
Origin
Flag of USUS Air Force Office of Aerospace Research (US)
Manufacturer
GD/Convair
Mission
Civil Science
Bus & Motor
OV1, Unknown motor
Mass
107 kg wet, 107 kg dry
Launch date (UTC)
1968-04-06 (57 years ago)
Launch vehicle
ATLAS F
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Domed Cyl, 1.4 m
Radar Cross Section
0.946 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 3 days ago
0 OV1-13
1 03173U 68026A   25187.63308885  .00000111  00000-0  17648-3 0  9992
2 03173  99.9651 282.7196 3849642 208.1149 124.4229  7.25728537513134
Epoch: 2025-07-06T15:11Z
TLE epoch observation values (Epoch: 2025-07-06T15:11:38.876Z)
Latitude
0.00001°
Longitude
129.95363°
Altitude
8,162.948 km
Speed
4.412 km/s
True Right ascension
18h 50m 52s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
64.63447°
Longitude
109.12931°
Altitude
7,203.564 km
Speed
4.836 km/s
Apparent Right ascension
13h 39m 27s
Apparent Declination
70° 51' 01"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
19:23:59
Azimuth
335.262° NNW
Elevation
38.545°
Doppler factor
1
Orbital elements
Apogee altitude
9,225.913 km
Perigee altitude
551.32 km
Semi-major axis
11,266.753 km
Eccentricity
0.38496
Inclination
99.9651°
RAAN
282.7196°
Arg. of periapsis
208.1149°
True anomaly
Unknown
Mean anomaly
124.4229°
Eccentric anomaly
Unknown
Mean motion
1.81487 °/min
Orbital period
198.36 mins
BSTAR
0.00017648
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Other satellites on launch #26 in the year 1968 (1968-04-06 UTC)
OV1-14, 3174
OV1-14 R/B, 3177
OV1-13 R/B, 3212

OV1-13 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.
14 mins2025-07-09 07:14:31.767Z335.225° NNW2025-07-09 07:14:31.767Z335.225° NNW31.938°2025-07-09 07:28:31.767Z345.366° N
74 mins2025-07-09 09:22:31.767Z232.344° WSW2025-07-09 09:58:31.767Z277.879° WNW21.813°2025-07-09 10:36:31.767Z331.906° NNW
20 mins2025-07-09 17:35:31.767Z20.813° NNE2025-07-09 17:49:31.767Z80.822° E28.875°2025-07-09 17:55:31.767Z140.185° SSE
24 mins2025-07-09 20:46:31.767Z11.495° NNE2025-07-09 21:03:31.767Z318.192° NNW29.549°2025-07-09 21:10:31.767Z262.852° W
27 mins2025-07-09 23:47:31.767Z32.468° NE2025-07-10 00:03:31.767Z4.819° NNE17.081°2025-07-10 00:14:31.767Z333.383° NNW
65 mins2025-07-10 02:19:31.767Z89.495° E2025-07-10 02:59:31.767Z40.456° NE31.74°2025-07-10 03:24:31.767Z347.976° N
92 mins2025-07-10 05:06:31.767Z147.673° SSE2025-07-10 05:59:31.767Z62.184° ENE44.961°2025-07-10 06:38:31.767Z346.282° N

Check out OV1-13, 3173 on other resources

View OV1-13, 3173 on NASA - NSSDCA Website

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

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