TIANMU-1 09, 57401
Orbit data source: Space-Track
TIANMU-1 09, 57401 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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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
Hangtian Tianmu
Mission
Operational Commercial Weather
Bus & Motor
TIANMU, Unknown motor
Mass
50 kg wet, ~50 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.8 m
Radar Cross Section
2.000 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 TIANMU-1 09
1 57401U 23101C 26172.49791285 .00005141 00000-0 18018-3 0 9999
2 57401 97.2536 222.2510 0004785 117.1207 243.0522 15.29886210162300Epoch: 2026-06-21T11:56Z
TLE epoch observation values (Epoch: 2026-06-21T11:56:59.670Z)
Latitude
-0.00005°
Longitude
133.30506°
Altitude
480.748 km
Speed
7.624 km/s
True Right ascension
14h 49m 00s
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
21:33:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.377 km
Perigee altitude
469.82 km
Semi-major axis
6,851.235 km
Eccentricity
0.00048
Inclination
97.2536°
RAAN
222.251°
Arg. of periapsis
117.1207°
True anomaly
243.00333°
Mean anomaly
243.0522°
Eccentric anomaly
243.02777°
Mean motion
3.82728 °/min
Orbital period
94.06 mins
BSTAR
0.00018018
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Other satellites on launch #101 in the year 2023 (2023-07-20 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.TIANMU-1 09 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 16:46:20.780Z | 339.293° N | 2026-06-22 16:48:20.780Z | 289.299° WNW | 26.644° | 2026-06-22 16:51:20.780Z | 226.377° WSW |
| 5 mins | 2026-06-23 03:20:20.780Z | 160.637° S | 2026-06-23 03:22:20.780Z | 36.765° NE | 44.108° | 2026-06-23 03:25:20.780Z | 351.162° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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