TKSAT 1, 39481
Orbit data source: Space-Track
TKSAT 1, 39481 is a payload satellite owned by AE Boliviana (BO) in GEO that was launched on Fri, 20 Dec 2013 UTC via a CHANG ZHENG 3B launch vehicle from the Xichang Space Center, China (XSC). 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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39481 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
BO / BOLRelated business
Manufacturer
CAST
Mission
Operational Civil Communications
Bus & Motor
DFH-4, DFH-4 LAE
Mass
~5,086 kg wet, ~2,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 15.0 m
Radar Cross Section
34.063 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 TKSAT 1
1 39481U 13075A 25358.20756365 -.00000173 00000-0 00000-0 0 9990
2 39481 0.0449 186.3254 0002454 91.7671 162.4288 1.00267823 43848Epoch: 2025-12-24T04:58Z
TLE epoch observation values (Epoch: 2025-12-24T04:58:53.499Z)
Latitude
0.00352°
Longitude
-87.17993°
Altitude
35,797.107 km
Speed
3.074 km/s
True Right ascension
05h 22m 05s
True Declination
0° 00' 13"
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
14:31:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,799.124 km
Perigee altitude
35,778.428 km
Semi-major axis
42,166.913 km
Eccentricity
0.00025
Inclination
0.0449°
RAAN
186.3254°
Arg. of periapsis
91.7671°
True anomaly
162.43729°
Mean anomaly
162.4288°
Eccentric anomaly
162.43304°
Mean motion
0.25066 °/min
Orbital period
1,436.21 mins
BSTAR
0
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Other satellites on launch #75 in the year 2013 (2013-12-20 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.TKSAT 1 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2025-12-24 15:18:49.753Z | 153.255° SSE | 2025-12-25 15:18:49.753Z | 153.273° SSE | 32.887° | 2025-12-25 15:18:49.753Z | 153.273° SSE |
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39481 neighbors
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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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