NAXING 1, 28221
Orbit data source: Space-Track
NAXING 1, 28221 is a payload satellite owned by CASC (CN) in SSO that was launched on Sun, 18 Apr 2004 UTC via a CHANG ZHENG 2C launch vehicle from the Xichang Space Center, China (XSC). 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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28221 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
Tsinghua
Mission
Civil Technology
Bus & Motor
NX, Unknown motor
Mass
25 kg wet, 25 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.060 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 NAXING 1
1 28221U 04012B 25348.97826183 .00002216 00000-0 16121-3 0 9993
2 28221 98.0204 4.7173 0010968 1.7919 358.3343 15.04897552179533Epoch: 2025-12-14T23:28Z
TLE epoch observation values (Epoch: 2025-12-14T23:28:41.822Z)
Latitude
-0.00005°
Longitude
-71.34038°
Altitude
547.273 km
Speed
7.593 km/s
True Right ascension
00h 18m 52s
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
13:23:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
556.431 km
Perigee altitude
541.236 km
Semi-major axis
6,926.97 km
Eccentricity
0.0011
Inclination
98.0204°
RAAN
4.7173°
Arg. of periapsis
1.7919°
True anomaly
358.33064°
Mean anomaly
358.3343°
Eccentric anomaly
358.33247°
Mean motion
3.76468 °/min
Orbital period
95.63 mins
BSTAR
0.00016121
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Other satellites on launch #12 in the year 2004 (2004-04-18 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.NAXING 1 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-16 01:08:10.050Z | 160.48° S | 2025-12-16 01:11:10.050Z | 115.795° SE | 43.713° | 2025-12-16 01:15:10.050Z | 350.591° N |
| 6 mins | 2025-12-16 14:21:10.050Z | 0.528° NNE | 2025-12-16 14:23:10.050Z | 316.583° NNW | 40.626° | 2025-12-16 14:27:10.050Z | 205.236° SW |
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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