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TIANMU-1 18, 58703

Orbit data source: Space-Track

TIANMU-1 18, 58703 is a payload satellite owned by Hangtian Tianmu (CN) in SSO that was launched on Fri, 05 Jan 2024 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 URL

https://www.satcat.com/sats-embedded/58703?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

58703, 2024-004D

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)

2024-01-05 (2 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: 22 hours ago

TLE from 22 hours ago

0 TIANMU-1 18
1 58703U 24004D   26172.50568463  .00004179  00000-0  16032-3 0  9994
2 58703  97.4666 358.6735 0003609   0.4275 359.6966 15.27041126136436

Epoch: 2026-06-21T12:08Z

TLE epoch observation values (Epoch: 2026-06-21T12:08:11.152Z)

Latitude

-0.00002°

Longitude

-93.07795°

Altitude

485.284 km

Speed

7.624 km/s

True Right ascension

23h 54m 41s

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

21:35:14

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

484.098 km

Perigee altitude

479.147 km

Semi-major axis

6,859.759 km

Eccentricity

0.00036

Inclination

97.4666°

RAAN

358.6735°

Arg. of periapsis

0.4275°

True anomaly

359.69638°

Mean anomaly

359.6966°

Eccentric anomaly

359.69649°

Mean motion

3.82015 °/min

Orbital period

94.24 mins

BSTAR

0.00016032

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Other satellites on launch #4 in the year 2024 (2024-01-05 UTC)

TIANMU-1 15, 58700

KZ-1A R/B, 58704 (Decayed)

TIANMU-1 16, 58701

TIANMU-1 17, 58702

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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 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.
5 mins	2026-06-22 11:52:12.318Z	125.105° SE	2026-06-22 11:54:12.318Z	84.456° E	24.554°	2026-06-22 11:57:12.318Z	15.992° NNE
5 mins	2026-06-23 00:53:12.318Z	39.974° NE	2026-06-23 00:55:12.318Z	95.007° ESE	31.391°	2026-06-23 00:58:12.318Z	165.136° S

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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 18, 58703 on other resources

View TIANMU-1 18, 58703 on NASA - NSSDCA Website

View TIANMU-1 18, 58703 on Heavens-Above

View TIANMU-1 18, 58703 on Keep Track

View TIANMU-1 18, 58703 on Celestrak

View TIANMU-1 18, 58703 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 18, 58703

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-06-21T12:08:11.152Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #4 in the year 2024 (2024-01-05 UTC)

TIANMU-1 18 Visibility forecast

Co-orbital & Co-planar RSOs

Check out TIANMU-1 18, 58703 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago