CHINASAT 18, 44493
Orbit data source: Space-Track
CHINASAT 18, 44493 is a payload satellite owned by PLA SSF (CN) in HEO that was launched on Mon, 19 Aug 2019 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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44493 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Non-operational Civil Communications
Bus & Motor
DFH-4, DFH-4 LAE
Mass
~5,250 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: 19 hours ago
TLE from 19 hours ago
0 CHINASAT 18
1 44493U 19053A 25354.47701724 .00140466 35298-6 36371-3 0 9990
2 44493 28.3065 143.9636 6357990 136.1374 297.0389 3.62499230 63191Epoch: 2025-12-20T11:26Z
TLE epoch observation values (Epoch: 2025-12-20T11:26:54.289Z)
Latitude
0.00001°
Longitude
-117.07947°
Altitude
13,291.069 km
Speed
4.274 km/s
True Right ascension
09h 35m 47s
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
05:21:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
22,909.209 km
Perigee altitude
142.518 km
Semi-major axis
17,904 km
Eccentricity
0.6358
Inclination
28.3065°
RAAN
143.9636°
Arg. of periapsis
136.1374°
True anomaly
223.93638°
Mean anomaly
297.0389°
Eccentric anomaly
261.05349°
Mean motion
0.90598 °/min
Orbital period
397.36 mins
BSTAR
0.00036371
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Other satellites on launch #53 in the year 2019 (2019-08-19 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.CHINASAT 18 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. |
|---|---|---|---|---|---|---|---|
| 64 mins | 2025-12-21 06:22:00.966Z | 132.035° SE | 2025-12-21 06:52:00.966Z | 126.73° SE | 12.788° | 2025-12-21 07:26:00.966Z | 114.478° SE |
| 64 mins | 2025-12-21 13:50:00.966Z | 241.983° WSW | 2025-12-21 14:47:00.966Z | 190.208° SSW | 35.408° | 2025-12-21 14:54:00.966Z | 117.146° SE |
| 7 mins | 2025-12-22 06:15:00.966Z | 179.29° S | 2025-12-22 06:22:00.966Z | 178.525° S | 11.113° | 2025-12-22 06:22:00.966Z | 178.525° S |
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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