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: 11 hours ago
TLE from 11 hours ago
0 NAXING 1
1 28221U 04012B 25286.59940198 .00004200 00000-0 30521-3 0 9990
2 28221 98.0239 299.9747 0010727 195.8786 164.2104 15.04397378170155Epoch: 2025-10-13T14:23Z
TLE epoch observation values (Epoch: 2025-10-13T14:23:08.331Z)
Latitude
-0.00001°
Longitude
61.79012°
Altitude
563.564 km
Speed
7.576 km/s
True Right ascension
19h 59m 53s
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
19:39:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
557.802 km
Perigee altitude
542.938 km
Semi-major axis
6,928.507 km
Eccentricity
0.00107
Inclination
98.0239°
RAAN
299.9747°
Arg. of periapsis
195.8786°
True anomaly
164.2438°
Mean anomaly
164.2104°
Eccentric anomaly
164.22711°
Mean motion
3.76343 °/min
Orbital period
95.66 mins
BSTAR
0.00030521
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-14 01:41:02.497Z | 206.855° SW | 2025-10-14 01:44:02.497Z | 265.234° W | 25.451° | 2025-10-14 01:47:02.497Z | 320.586° NNW |
| 5 mins | 2025-10-14 13:19:02.497Z | 43.339° NE | 2025-10-14 13:21:02.497Z | 82.766° E | 26.435° | 2025-10-14 13:24:02.497Z | 152.249° SSE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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