TIANMU-1 05, 55975
Orbit data source: Space-Track
TIANMU-1 05, 55975 is a payload satellite owned by Hangtian Tianmu (CN) in SSO that was launched on Wed, 22 Mar 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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55975 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: 10 hours ago
TLE from 10 hours ago
0 TIANMU-1 05
1 55975U 23039C 26163.82692868 .00016360 00000-0 32458-3 0 9996
2 55975 97.5206 337.2429 0003845 124.6477 235.5136 15.47093105180147Epoch: 2026-06-12T19:50Z
TLE epoch observation values (Epoch: 2026-06-12T19:50:46.637Z)
Latitude
0.00001°
Longitude
138.39778°
Altitude
429.841 km
Speed
7.653 km/s
True Right ascension
22h 28m 58s
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
16:29:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
424.784 km
Perigee altitude
419.555 km
Semi-major axis
6,800.307 km
Eccentricity
0.00038
Inclination
97.5206°
RAAN
337.2429°
Arg. of periapsis
124.6477°
True anomaly
235.47729°
Mean anomaly
235.5136°
Eccentric anomaly
235.49545°
Mean motion
3.87035 °/min
Orbital period
93.01 mins
BSTAR
0.00032458
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Other satellites on launch #39 in the year 2023 (2023-03-22 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 05 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 | 2026-06-13 11:30:12.754Z | 158.019° S | 2026-06-13 11:32:12.754Z | 127.72° SE | 40.594° | 2026-06-13 11:35:12.754Z | 354.183° N |
| 4 mins | 2026-06-14 00:22:12.754Z | 27.06° NE | 2026-06-14 00:23:12.754Z | 71.152° E | 42.554° | 2026-06-14 00:26:12.754Z | 185.082° SSW |
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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