TIANMU-1 21, 58662
Orbit data source: Space-Track
TIANMU-1 21, 58662 is a payload satellite owned by Hangtian Tianmu (CN) in SSO that was launched on Wed, 27 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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58662 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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 TIANMU-1 21
1 58662U 23208C 26172.48460245 .00007912 00000-0 23428-3 0 9994
2 58662 97.4507 292.1457 0005737 305.0266 55.0438 15.35141113138221Epoch: 2026-06-21T11:37Z
TLE epoch observation values (Epoch: 2026-06-21T11:37:49.651Z)
Latitude
-0.00008°
Longitude
-151.99538°
Altitude
461.364 km
Speed
7.637 km/s
True Right ascension
19h 28m 34s
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
21:33:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
461.371 km
Perigee altitude
453.527 km
Semi-major axis
6,835.586 km
Eccentricity
0.00057
Inclination
97.4507°
RAAN
292.1457°
Arg. of periapsis
305.0266°
True anomaly
55.0977°
Mean anomaly
55.0438°
Eccentric anomaly
55.07075°
Mean motion
3.84043 °/min
Orbital period
93.74 mins
BSTAR
0.00023428
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Other satellites on launch #208 in the year 2023 (2023-12-27 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 21 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 21:02:16.661Z | 4.583° NNE | 2026-06-22 21:05:16.661Z | 278.611° WNW | 42.077° | 2026-06-22 21:08:16.661Z | 203.232° SW |
| 4 mins | 2026-06-23 07:35:16.661Z | 120.83° SE | 2026-06-23 07:37:16.661Z | 54.428° ENE | 28.214° | 2026-06-23 07:39:16.661Z | 12.346° NNE |
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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