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, 0.2 m
Radar Cross Section
0.060 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 NAXING 1
1 28221U 04012B 26297.18004154 .00002014 00000-0 14152-3 0 9994
2 28221 97.9933 329.8042 0011149 24.3502 335.8249 15.06302953226667Epoch: 2026-10-24T04:19Z
TLE epoch observation values (Epoch: 2026-10-24T04:19:15.589Z)
Latitude
0.00005°
Longitude
-127.6007°
Altitude
543.519 km
Speed
7.594 km/s
True Right ascension
21h 59m 13s
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
07:08:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
552.237 km
Perigee altitude
536.801 km
Semi-major axis
6,922.656 km
Eccentricity
0.00111
Inclination
97.9933°
RAAN
329.8042°
Arg. of periapsis
24.3502°
True anomaly
335.77251°
Mean anomaly
335.8249°
Eccentric anomaly
335.79871°
Mean motion
3.7682 °/min
Orbital period
95.54 mins
BSTAR
0.00014152
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-10-24 14:27:59.485Z | 46.261° ENE | 2026-10-24 14:30:59.485Z | 104.765° ESE | 24.123° | 2026-10-24 14:32:59.485Z | 142.344° SSE |
| 4 mins | 2026-10-24 16:03:59.485Z | 317.507° NNW | 2026-10-24 16:04:59.485Z | 295.472° NW | 23.123° | 2026-10-24 16:07:59.485Z | 241.336° WSW |
| 5 mins | 2026-10-25 02:46:59.485Z | 205.465° SW | 2026-10-25 02:48:59.485Z | 266.708° W | 40.706° | 2026-10-25 02:51:59.485Z | 328.997° NNW |
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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