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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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<iframe src="https://www.satcat.com/sats-embedded/28221?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/28221?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

28221, 2004-012B

Orbit

SSO

Last TLE update

18 hours ago

Origin

China Aerospace Science and Technology Corporation (CASC) (CN / PRC)

Manufacturer

Tsinghua

Mission

Civil Technology

Bus & Motor

NX, Unknown motor

Mass

25 kg wet, 25 kg dry

Launch date (UTC)

2004-04-18 (21 years ago)

Launch vehicle

CHANG ZHENG 2C

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.060 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 18 hours ago

0 NAXING 1
1 28221U 04012B   25225.86360520  .00002093  00000-0  15626-3 0  9995
2 28221  98.0239 236.9441 0012199  50.8473 309.3834 15.03964987161028

Epoch: 2025-08-13T20:43Z

TLE epoch observation values (Epoch: 2025-08-13T20:43:35.489Z)

Latitude

0.00002°

Longitude

-36.48956°

Altitude

552.374 km

Speed

7.589 km/s

True Right ascension

15h 47m 46s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

28.86821°

Longitude

-40.15783°

Altitude

550.365 km

Speed

7.594 km/s

Apparent Right ascension

16h 10m 50s

Apparent Declination

-3° 56' 45"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

04:57:44

Azimuth

19.451° NNE

Elevation

-52.501°

Doppler factor

Orbital elements

Apogee altitude

560.153 km

Perigee altitude

543.245 km

Semi-major axis

6,929.836 km

Eccentricity

0.00122

Inclination

98.0239°

RAAN

236.9441°

Arg. of periapsis

50.8473°

True anomaly

309.27525°

Mean anomaly

309.3834°

Eccentric anomaly

309.32934°

Mean motion

3.76235 °/min

Orbital period

95.68 mins

BSTAR

0.00015626

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Other satellites on launch #12 in the year 2004 (2004-04-18 UTC)

TANSUO 1, 28220

CZ-2C R/B, 28222

CZ-2C DEB, 28223 (Decayed)

CZ-2C DEB, 28224 (Decayed)

CZ-2C DEB, 28225 (Decayed)

CZ-2C DEB, 28226 (Decayed)

CZ-2C DEB, 28227 (Decayed)

CZ-2C DEB, 28232 (Decayed)

CZ-2C DEB, 28233 (Decayed)

CZ-2C DEB, 35417 (Decayed)

NAXING 1 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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	2025-08-15 00:02:09.810Z	102.594° ESE	2025-08-15 00:04:09.810Z	57.707° ENE	21.371°	2025-08-15 00:06:09.810Z	22.184° NNE
4 mins	2025-08-15 01:37:09.810Z	236.346° WSW	2025-08-15 01:38:09.810Z	258.52° W	21.396°	2025-08-15 01:41:09.810Z	314.412° NW
5 mins	2025-08-15 13:14:09.810Z	45.717° ENE	2025-08-15 13:16:09.810Z	101.693° ESE	31.482°	2025-08-15 13:19:09.810Z	163.86° S