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TIANMU-1 07, 57399

Orbit data source: Space-Track

TIANMU-1 07, 57399 is a payload satellite owned by Hangtian Tianmu (CN) in SSO that was launched on Thu, 20 Jul 2023 UTC via a KUAIZHOU-1A launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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/57399?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/57399?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57399, 2023-101A

Orbit

SSO

Country

CN / PRC

Related business

China Aerospace Science and Industry Corporation (CASIC) (CN)

Manufacturer

Hangtian Tianmu

Mission

Operational Commercial Weather

Bus & Motor

TIANMU, Unknown motor

Mass

50 kg wet, ~50 kg dry

Launch date (UTC)

2023-07-20 (3 years ago)

Launch vehicle

KUAIZHOU-1A

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.8 m

Radar Cross Section

2.000 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 23 hours ago

TLE from 23 hours ago

0 TIANMU-1 07
1 57399U 23101A   26172.48254884  .00004853  00000-0  17043-3 0  9999
2 57399  97.2589 223.0524 0004274 112.8221 247.3472 15.29848940162308

Epoch: 2026-06-21T11:34Z

TLE epoch observation values (Epoch: 2026-06-21T11:34:52.219Z)

Latitude

-0.00001°

Longitude

139.65264°

Altitude

480.501 km

Speed

7.625 km/s

True Right ascension

14h 52m 12s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

21:33:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

476.138 km

Perigee altitude

470.282 km

Semi-major axis

6,851.347 km

Eccentricity

0.00043

Inclination

97.2589°

RAAN

223.0524°

Arg. of periapsis

112.8221°

True anomaly

247.30201°

Mean anomaly

247.3472°

Eccentric anomaly

247.3246°

Mean motion

3.82718 °/min

Orbital period

94.06 mins

BSTAR

0.00017043

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Other satellites on launch #101 in the year 2023 (2023-07-20 UTC)

KZ-1A R/B, 57403 (Decayed)

TIANMU-1 10, 57402

TIANMU-1 08, 57400

TIANMU-1 09, 57401

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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.

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TIANMU-1 07 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.
6 mins	2026-06-22 16:23:50.164Z	4.987° NNE	2026-06-22 16:26:50.164Z	259.021° W	42.479°	2026-06-22 16:29:50.164Z	201.249° SSW
4 mins	2026-06-23 02:58:50.164Z	121.558° SE	2026-06-23 03:00:50.164Z	57.147° ENE	28.664°	2026-06-23 03:02:50.164Z	13.58° NNE

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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 TIANMU-1 07, 57399 on other resources

View TIANMU-1 07, 57399 on NASA - NSSDCA Website

View TIANMU-1 07, 57399 on Heavens-Above

View TIANMU-1 07, 57399 on Keep Track

View TIANMU-1 07, 57399 on Celestrak

View TIANMU-1 07, 57399 on Gunter's Space Page

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

TIANMU-1 07, 57399

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-06-21T11:34:52.219Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #101 in the year 2023 (2023-07-20 UTC)

TIANMU-1 07 Visibility forecast

Co-orbital & Co-planar RSOs

Check out TIANMU-1 07, 57399 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago