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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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https://www.satcat.com/sats-embedded/39481?theme=dark&initialShowStats=false

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Identifier

39481, 2013-075A

Orbit

GEO

Country

BO / BOL

Related business

Bolivian Space Agency (BO)

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, 15.0 m

Radar Cross Section

34.063 m², Large (>1 m²)

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Last TLE update: 20 hours ago

TLE from 20 hours ago

0 TKSAT 1
1 39481U 13075A   25260.20877819 -.00000215  00000-0  00000-0 0  9997
2 39481   0.0383  35.7897 0002217 147.8749 160.6987  1.00271056 42850

Epoch: 2025-09-17T05:00Z

TLE epoch observation values (Epoch: 2025-09-17T05:00:38.435Z)

Latitude

-0.0265°

Longitude

-87.17494°

Altitude

35,795.158 km

Speed

3.074 km/s

True Right ascension

22h 57m 29s

True Declination

0° 01' 35"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

17:54:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,797.218 km

Perigee altitude

35,778.521 km

Semi-major axis

42,166.007 km

Eccentricity

0.00022

Inclination

0.0383°

RAAN

35.7897°

Arg. of periapsis

147.8749°

True anomaly

160.7071°

Mean anomaly

160.6987°

Eccentric anomaly

160.7029°

Mean motion

0.25067 °/min

Orbital period

1,436.16 mins

BSTAR

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Other satellites on launch #75 in the year 2013 (2013-12-20 UTC)

CZ-3B R/B, 39482 (Decayed)

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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	2025-09-18 01:06:34.564Z	153.196° SSE	2025-09-18 18:19:34.564Z	153.216° SSE	32.88°	2025-09-19 01:06:34.564Z	153.2° 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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out TKSAT 1, 39481 on other resources

View TKSAT 1, 39481 on NASA - NSSDCA Website

View TKSAT 1, 39481 on Heavens-Above

View TKSAT 1, 39481 on Keep Track

View TKSAT 1, 39481 on Celestrak

View TKSAT 1, 39481 on Gunter's Space Page

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

TKSAT 1, 39481

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2025-09-17T05:00:38.435Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #75 in the year 2013 (2013-12-20 UTC)

TKSAT 1 Visibility forecast

39481 neighbors

Co-orbital & Co-planar RSOs

Check out TKSAT 1, 39481 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 20 hours ago