APSTAR 6E, 55239
Orbit data source: Space-Track
APSTAR 6E, 55239 is a payload satellite owned by APT Shenzhen (CN) in GEO that was launched on Thu, 12 Jan 2023 UTC via a CHANG ZHENG 2C 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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55239 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Partially operational Commercial Communications
Bus & Motor
DFH-3E, EP-AOCS
Mass
~2,090 kg wet, ~2,000 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: 8 hours ago
TLE from 8 hours ago
0 APSTAR 6E
1 55239U 23005A 26149.38897894 -.00000307 00000-0 00000+0 0 9992
2 55239 0.0141 253.0551 0000784 269.3452 358.5619 1.00272836 18503Epoch: 2026-05-29T09:20Z
TLE epoch observation values (Epoch: 2026-05-29T09:20:07.780Z)
Latitude
-0.02496°
Longitude
134.00484°
Altitude
35,782.506 km
Speed
3.075 km/s
True Right ascension
10h 43m 49s
True Declination
0° 01' 30"
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
02:22:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,790.676 km
Perigee altitude
35,784.065 km
Semi-major axis
42,165.508 km
Eccentricity
0.00008
Inclination
0.0141°
RAAN
253.0551°
Arg. of periapsis
269.3452°
True anomaly
358.56167°
Mean anomaly
358.5619°
Eccentric anomaly
358.56179°
Mean motion
0.25067 °/min
Orbital period
1,436.14 mins
BSTAR
0
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Other satellites on launch #5 in the year 2023 (2023-01-12 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.APSTAR 6E Visibility
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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. |
|---|---|---|---|---|---|---|---|
| APSTAR 6E is likely not visible in the next few days. |
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55239 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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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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