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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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<iframe src="https://www.satcat.com/sats-embedded/44493?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/44493?theme=dark&initialShowStats=false

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Identifier

44493, 2019-053A

Orbit

HEO

Country

CN / PRC

Related business

Strategic Support Troops (CN)

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)

2019-08-19 (6 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)

Expand to show TLE details & history
Last TLE update: 17 hours ago

TLE from 17 hours ago

0 CHINASAT 18
1 44493U 19053A   25310.35867361  .00156366 -12368-6  32773-3 0  9991
2 44493  28.2536 173.0356 6453621  88.9142 338.9631  3.48629232 61623

Epoch: 2025-11-06T08:36Z

TLE epoch observation values (Epoch: 2025-11-06T08:36:29.399Z)

Latitude

-0.00001°

Longitude

-1.83752°

Altitude

4,189.885 km

Speed

7.331 km/s

True Right ascension

11h 32m 24s

True Declination

0° 00' 00"

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

21:38:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,856.549 km

Perigee altitude

138.584 km

Semi-major axis

18,375.704 km

Eccentricity

0.64536

Inclination

28.2536°

RAAN

173.0356°

Arg. of periapsis

88.9142°

True anomaly

271.19313°

Mean anomaly

338.9631°

Eccentric anomaly

311.09817°

Mean motion

0.87132 °/min

Orbital period

413.17 mins

BSTAR

0.00032773

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Other satellites on launch #53 in the year 2019 (2019-08-19 UTC)

CZ-3B R/B, 44494 (Decayed)

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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.
99 mins	2025-11-07 06:26:17.130Z	202.753° SW	2025-11-07 06:50:17.130Z	189.794° SSW	11.201°	2025-11-07 08:05:17.130Z	178.194° 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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Check out CHINASAT 18, 44493 on other resources

View CHINASAT 18, 44493 on NASA - NSSDCA Website

View CHINASAT 18, 44493 on Heavens-Above

View CHINASAT 18, 44493 on Keep Track

View CHINASAT 18, 44493 on Celestrak

View CHINASAT 18, 44493 on Gunter's Space Page

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

CHINASAT 18, 44493

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2025-11-06T08:36:29.399Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #53 in the year 2019 (2019-08-19 UTC)

CHINASAT 18 Visibility forecast

Co-orbital & Co-planar RSOs

Check out CHINASAT 18, 44493 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago