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TJS-9, 50574

Orbit data source: Space-Track

TJS-9, 50574 is a payload satellite owned by CASC (CN) in GEO that was launched on Wed, 29 Dec 2021 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.

Not visible in the next 10 days

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<iframe src="https://www.satcat.com/sats-embedded/50574?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/50574?theme=dark&initialShowStats=false

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Identifier

50574, 2021-135A

Orbit

GEO

Country

CN / PRC

Related business

China Aerospace Science and Technology Corporation (CASC) (CN)

Manufacturer

CAST

Mission

Operational Defense Sigint

Bus & Motor

DFH-4?, DFH-4 LAE

Mass

~4,000 kg wet, ~2,500 kg dry

Launch date (UTC)

2021-12-29 (4 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 + 1 Dish, 16.0 m

Radar Cross Section

35.403 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 TJS-9
1 50574U 21135A   26001.27676382 -.00000286  00000-0  00000-0 0  9990
2 50574   0.0591  79.0609 0001256 153.4555 105.2273  1.00275165 14755

Epoch: 2026-01-01T06:38Z

TLE epoch observation values (Epoch: 2026-01-01T06:38:32.394Z)

Latitude

-0.06797°

Longitude

137.19353°

Altitude

35,786.513 km

Speed

3.075 km/s

True Right ascension

22h 31m 02s

True Declination

0° 04' 04"

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

14:21:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,792.014 km

Perigee altitude

35,781.422 km

Semi-major axis

42,164.855 km

Eccentricity

0.00013

Inclination

0.0591°

RAAN

79.0609°

Arg. of periapsis

153.4555°

True anomaly

105.24119°

Mean anomaly

105.2273°

Eccentric anomaly

105.23424°

Mean motion

0.25068 °/min

Orbital period

1,436.1 mins

BSTAR

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Other satellites on launch #135 in the year 2021 (2021-12-29 UTC)

CZ-3B R/B, 50575 (Decayed)

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TJS-9 Visibility

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TJS-9 is likely not visible in the next few days.

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50574 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 TJS-9, 50574 on other resources

View TJS-9, 50574 on NASA - NSSDCA Website

View TJS-9, 50574 on Heavens-Above

View TJS-9, 50574 on Keep Track

View TJS-9, 50574 on Celestrak

View TJS-9, 50574 on Gunter's Space Page

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

TJS-9, 50574

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-01-01T06:38:32.394Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #135 in the year 2021 (2021-12-29 UTC)

TJS-9 Visibility

50574 neighbors

Co-orbital & Co-planar RSOs

Check out TJS-9, 50574 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago