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: 15 hours ago
TLE from 15 hours ago
0 NAXING 1
1 28221U 04012B 26126.02785139 .00002609 00000-0 18491-3 0 9997
2 28221 98.0060 152.1930 0009871 229.3847 130.6521 15.05715923200908Epoch: 2026-05-06T00:40Z
TLE epoch observation values (Epoch: 2026-05-06T00:40:06.360Z)
Latitude
0.00003°
Longitude
-81.72774°
Altitude
556.822 km
Speed
7.581 km/s
True Right ascension
10h 08m 46s
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
23:32:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
553.156 km
Perigee altitude
539.485 km
Semi-major axis
6,924.457 km
Eccentricity
0.00099
Inclination
98.006°
RAAN
152.193°
Arg. of periapsis
229.3847°
True anomaly
130.73785°
Mean anomaly
130.6521°
Eccentric anomaly
130.69498°
Mean motion
3.76673 °/min
Orbital period
95.57 mins
BSTAR
0.00018491
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-06 15:35:42.310Z | 327.178° NNW | 2026-05-06 15:37:42.310Z | 290.421° WNW | 17.956° | 2026-05-06 15:39:42.310Z | 255.134° W |
| 4 mins | 2026-05-07 00:45:42.310Z | 94.319° ESE | 2026-05-07 00:46:42.310Z | 76.68° E | 16.745° | 2026-05-07 00:49:42.310Z | 25.973° NE |
| 5 mins | 2026-05-07 02:19:42.310Z | 214.007° SW | 2026-05-07 02:21:42.310Z | 264.944° W | 28.338° | 2026-05-07 02:24:42.310Z | 323.522° NNW |
| 5 mins | 2026-05-07 13:56:42.310Z | 54.608° ENE | 2026-05-07 13:58:42.310Z | 99.688° ESE | 23.879° | 2026-05-07 14:01:42.310Z | 153.158° SSE |
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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