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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   26034.14989782  .00015297  00000-0  53038-3 0  9990
2 28220  97.8843 103.8218 0006986 127.3059 232.8818 15.29898615190572

Epoch: 2026-02-03T03:35Z

TLE epoch observation values (Epoch: 2026-02-03T03:35:51.171Z)

Latitude

-0.00001°

Longitude

-83.47638°

Altitude

482.097 km

Speed

7.623 km/s

True Right ascension

06h 55m 17s

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

07:11:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

477.875 km

Perigee altitude

468.303 km

Semi-major axis

6,851.226 km

Eccentricity

0.0007

Inclination

97.8843°

RAAN

103.8218°

Arg. of periapsis

127.3059°

True anomaly

232.818°

Mean anomaly

232.8818°

Eccentric anomaly

232.8499°

Mean motion

3.82728 °/min

Orbital period

94.06 mins

BSTAR

0.00053038

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

CZ-2C R/B, 28222

CZ-2C DEB, 28225 (Decayed)

CZ-2C DEB, 28226 (Decayed)

CZ-2C DEB, 28224 (Decayed)

NAXING 1, 28221

CZ-2C DEB, 28223 (Decayed)

CZ-2C DEB, 28232 (Decayed)

CZ-2C DEB, 28227 (Decayed)

CZ-2C DEB, 35417 (Decayed)

CZ-2C DEB, 28233 (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	2026-02-04 17:50:02.597Z	351.395° N	2026-02-04 17:52:02.597Z	304.815° NW	32.626°	2026-02-04 17:55:02.597Z	219.776° SW
5 mins	2026-02-05 04:24:02.597Z	151.606° SSE	2026-02-05 04:26:02.597Z	87.382° E	41.76°	2026-02-05 04:29:02.597Z	355.505° N

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

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: 2026-02-03T03:35:51.171Z)

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