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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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: 1 day ago
TLE from 1 day ago
0 NAXING 1
1 28221U 04012B 26170.94882422 .00001979 00000-0 14064-3 0 9991
2 28221 98.0040 198.8174 0012267 84.4154 275.8471 15.05899806207666Epoch: 2026-06-19T22:46Z
TLE epoch observation values (Epoch: 2026-06-19T22:46:18.412Z)
Latitude
0.00003°
Longitude
-50.92979°
Altitude
550.943 km
Speed
7.587 km/s
True Right ascension
13h 15m 16s
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
10:56:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
554.25 km
Perigee altitude
537.263 km
Semi-major axis
6,923.893 km
Eccentricity
0.00123
Inclination
98.004°
RAAN
198.8174°
Arg. of periapsis
84.4154°
True anomaly
275.70724°
Mean anomaly
275.8471°
Eccentric anomaly
275.77717°
Mean motion
3.76719 °/min
Orbital period
95.56 mins
BSTAR
0.00014064
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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 | 2026-06-21 02:00:04.629Z | 173.151° S | 2026-06-21 02:03:04.629Z | 206.055° SW | 41.896° | 2026-06-21 02:07:04.629Z | 342.817° N |
| 5 mins | 2026-06-21 15:13:04.629Z | 345.656° N | 2026-06-21 15:15:04.629Z | 286.393° WNW | 34.346° | 2026-06-21 15:18:04.629Z | 219.294° SW |
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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