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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 5 days ago
TLE from 5 days ago
0 TACSAT 6
1 39473U 13072M 26154.76391304 .00107452 00000-0 11200-2 0 9995
2 39473 120.4625 79.6696 0069453 41.4822 319.1516 15.60798535117261Epoch: 2026-06-03T18:20Z
TLE epoch observation values (Epoch: 2026-06-03T18:20:02.086Z)
Latitude
-0.00003°
Longitude
-87.55693°
Altitude
351.533 km
Speed
7.719 km/s
True Right ascension
05h 18m 40s
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
12:46:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
431.577 km
Perigee altitude
337.639 km
Semi-major axis
6,762.745 km
Eccentricity
0.00695
Inclination
120.4625°
RAAN
79.6696°
Arg. of periapsis
41.4822°
True anomaly
318.62762°
Mean anomaly
319.1516°
Eccentric anomaly
318.88995°
Mean motion
3.90264 °/min
Orbital period
92.25 mins
BSTAR
0.00112
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-09 10:06:21.750Z | 65.762° ENE | 2026-06-09 10:08:21.750Z | 121.153° SE | 29.038° | 2026-06-09 10:10:21.750Z | 188.05° SSW |
| 4 mins | 2026-06-09 18:57:21.750Z | 151.945° SSE | 2026-06-09 18:59:21.750Z | 278.062° WNW | 37.152° | 2026-06-09 19:01:21.750Z | 309.905° NW |
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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