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TANSUO 1, 28220

Orbit data source: Space-Track

TANSUO 1, 28220 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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https://www.satcat.com/sats-embedded/28220?theme=dark&initialShowStats=false

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Identifier

28220, 2004-012A

Orbit

SSO

Country

CN / PRC

Related business

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

Manufacturer

DFH/HARB

Mission

Operational Civil Imaging

Bus & Motor

SY, Unknown motor

Mass

204 kg wet, 204 kg dry

Launch date (UTC)

2004-04-18 (22 years ago)

Launch vehicle

CHANG ZHENG 2C

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 1.5 m

Radar Cross Section

2.043 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 TANSUO 1
1 28220U 04012A   26259.19546868  .00014273  00000-0  41044-3 0  9995
2 28220  97.8633 343.2984 0006202  64.9007 295.2878 15.35904529225059

Epoch: 2026-09-16T04:41Z

TLE epoch observation values (Epoch: 2026-09-16T04:41:28.493Z)

Latitude

-0.00009°

Longitude

-82.22085°

Altitude

459.524 km

Speed

7.638 km/s

True Right ascension

22h 53m 11s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

03:03:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

459.438 km

Perigee altitude

450.962 km

Semi-major axis

6,833.337 km

Eccentricity

0.00062

Inclination

97.8633°

RAAN

343.2984°

Arg. of periapsis

64.9007°

True anomaly

295.22352°

Mean anomaly

295.2878°

Eccentric anomaly

295.25566°

Mean motion

3.84232 °/min

Orbital period

93.69 mins

BSTAR

0.00041044

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

NAXING 1, 28221

CZ-2C DEB, 28232 (Decayed)

CZ-2C DEB, 28233 (Decayed)

CZ-2C R/B, 28222

CZ-2C DEB, 28225 (Decayed)

CZ-2C DEB, 28224 (Decayed)

CZ-2C DEB, 28226 (Decayed)

CZ-2C DEB, 35417 (Decayed)

CZ-2C DEB, 28227 (Decayed)

CZ-2C DEB, 28223 (Decayed)

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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.

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TANSUO 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	2026-09-17 18:46:42.236Z	4.159° NNE	2026-09-17 18:49:42.236Z	239.72° WSW	57.153°	2026-09-17 18:51:42.236Z	205.234° SW
4 mins	2026-09-18 05:18:42.236Z	127.077° SE	2026-09-18 05:20:42.236Z	64.478° ENE	35.562°	2026-09-18 05:22:42.236Z	13.397° NNE

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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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Check out TANSUO 1, 28220 on other resources

View TANSUO 1, 28220 on NASA - NSSDCA Website

View TANSUO 1, 28220 on Heavens-Above

View TANSUO 1, 28220 on Keep Track

View TANSUO 1, 28220 on Celestrak

View TANSUO 1, 28220 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

TANSUO 1, 28220

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-09-16T04:41:28.493Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

TANSUO 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out TANSUO 1, 28220 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago