TIANMU-1 12, 58646
Orbit data source: Space-Track
TIANMU-1 12, 58646 is a payload satellite owned by Hangtian Tianmu (CN) in SSO that was launched on Mon, 25 Dec 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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58646 intel report (Beta)
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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: 21 hours ago
TLE from 21 hours ago
0 TIANMU-1 12
1 58646U 23205B 26172.54550061 .00004499 00000-0 17246-3 0 9994
2 58646 97.3438 193.7888 0006195 347.6663 12.4424 15.26998880138178Epoch: 2026-06-21T13:05Z
TLE epoch observation values (Epoch: 2026-06-21T13:05:31.252Z)
Latitude
0.00002°
Longitude
87.66435°
Altitude
483.739 km
Speed
7.626 km/s
True Right ascension
12h 55m 09s
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
21:26:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.993 km
Perigee altitude
477.494 km
Semi-major axis
6,859.881 km
Eccentricity
0.00062
Inclination
97.3438°
RAAN
193.7888°
Arg. of periapsis
347.6663°
True anomaly
12.45771°
Mean anomaly
12.4424°
Eccentric anomaly
12.45005°
Mean motion
3.82004 °/min
Orbital period
94.24 mins
BSTAR
0.00017246
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Other satellites on launch #205 in the year 2023 (2023-12-25 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 12 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 14:49:22.008Z | 342.872° N | 2026-06-22 14:51:22.008Z | 293.214° NW | 29.07° | 2026-06-22 14:54:22.008Z | 224.62° SW |
| 5 mins | 2026-06-23 01:24:22.008Z | 159.112° S | 2026-06-23 01:26:22.008Z | 94.388° ESE | 43.99° | 2026-06-23 01:29:22.008Z | 352.439° 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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