TACSAT 6, 39473
Orbit data source: Space-Track
TACSAT 6, 39473 is a payload satellite owned by SMDC (US) in LEO that was launched on Fri, 06 Dec 2013 UTC via an ATLAS V 501 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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39473 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
DUCOMM?
Mission
Operational Defense Communications
Bus & Motor
CUBESAT 3U, Unknown motor
Mass
4 kg wet, 4 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.075 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 4 hours ago
TLE from 4 hours ago
0 TACSAT 6
1 39473U 13072M 26099.20127649 .00056920 00000-0 80428-3 0 9993
2 39473 120.4636 212.5549 0069550 338.7733 21.0477 15.53276455108617Epoch: 2026-04-09T04:49Z
TLE epoch observation values (Epoch: 2026-04-09T04:49:50.288Z)
Latitude
-0.00007°
Longitude
-57.35728°
Altitude
364.738 km
Speed
7.716 km/s
True Right ascension
14h 10m 13s
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
14:42:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
453.615 km
Perigee altitude
359.242 km
Semi-major axis
6,784.566 km
Eccentricity
0.00696
Inclination
120.4636°
RAAN
212.5549°
Arg. of periapsis
338.7733°
True anomaly
21.33627°
Mean anomaly
21.0477°
Eccentric anomaly
21.19175°
Mean motion
3.88383 °/min
Orbital period
92.69 mins
BSTAR
0.00080428
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Other satellites on launch #72 in the year 2013 (2013-12-06 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.TACSAT 6 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-04-09 22:20:46.037Z | 30.354° NE | 2026-04-09 22:22:46.037Z | 315.524° NNW | 40.852° | 2026-04-09 22:25:46.037Z | 236.382° WSW |
| 5 mins | 2026-04-10 05:43:46.037Z | 107.769° ESE | 2026-04-10 05:45:46.037Z | 58.959° ENE | 30.382° | 2026-04-10 05:48:46.037Z | 333.051° NNW |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 |
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