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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28220 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
DFH/HARB
Mission
Operational Civil Imaging
Bus & Motor
SY, Unknown motor
Mass
204 kg wet, 204 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 1.5 m
Radar Cross Section
2.043 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 TANSUO 1
1 28220U 04012A 26251.18152374 .00013420 00000-0 38845-3 0 9999
2 28220 97.8645 334.7437 0006601 88.0411 272.1588 15.35711992223824Epoch: 2026-09-08T04:21Z
TLE epoch observation values (Epoch: 2026-09-08T04:21:23.651Z)
Latitude
0.00008°
Longitude
-77.85648°
Altitude
461.737 km
Speed
7.636 km/s
True Right ascension
22h 18m 58s
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
15:15:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
460.283 km
Perigee altitude
451.261 km
Semi-major axis
6,833.909 km
Eccentricity
0.00066
Inclination
97.8645°
RAAN
334.7437°
Arg. of periapsis
88.0411°
True anomaly
272.08321°
Mean anomaly
272.1588°
Eccentric anomaly
272.121°
Mean motion
3.84184 °/min
Orbital period
93.71 mins
BSTAR
0.00038845
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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.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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-09-09 05:30:05.888Z | 154.998° SSE | 2026-09-09 05:33:05.888Z | 87.609° E | 60.575° | 2026-09-09 05:36:05.888Z | 356.2° N |
| 4 mins | 2026-09-09 18:28:05.888Z | 25.119° NE | 2026-09-09 18:30:05.888Z | 151.527° SSE | 59.505° | 2026-09-09 18:32:05.888Z | 183.512° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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