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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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Identifier
39481, 2013-075A
Orbit
GEO
Last TLE update
12 hours ago
Origin
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)
2013-12-20 (12 years ago)
Launch vehicle
CHANG ZHENG 3B
Launch site
Xichang Space Center, China (XSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, 30 m
Radar Cross Section
34.063 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 12 hours ago
0 TKSAT 1
1 39481U 13075A   25191.52405727 -.00000182  00000-0  00000-0 0  9993
2 39481   0.0131 268.4233 0003108 190.3768 291.3472  1.00272526 42162
Epoch: 2025-07-10T12:34Z
TLE epoch observation values (Epoch: 2025-07-10T12:34:38.548Z)
Latitude
0.00002°
Longitude
-87.23233°
Altitude
35,781.101 km
Speed
3.075 km/s
True Right ascension
02h 00m 28s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-0.00029°
Longitude
95.18547°
Altitude
35,791.186 km
Speed
3.074 km/s
Apparent Right ascension
14h 19m 21s
Apparent Declination
-6° 11' 22"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
12:58:19
Azimuth
153.188° SSE
Elevation
40.253°
Doppler factor
1
Orbital elements
Apogee altitude
35,800.563 km
Perigee altitude
35,774.353 km
Semi-major axis
42,165.595 km
Eccentricity
0.00031
Inclination
0.0131°
RAAN
268.4233°
Arg. of periapsis
190.3768°
True anomaly
Unknown
Mean anomaly
291.3472°
Eccentric anomaly
Unknown
Mean motion
0.25067 °/min
Orbital period
1,436.14 mins
BSTAR
0
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39481 neighbors
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Other satellites on launch #75 in the year 2013 (2013-12-20 UTC)

TKSAT 1 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.
1440 mins2025-07-11 00:42:02.980Z153.198° SSE2025-07-11 10:54:02.980Z153.288° SSE32.877°2025-07-12 00:42:02.980Z153.195° SSE
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