SHIYAN 27B, 63600
Orbit data source: Space-Track
SHIYAN 27B, 63600 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). 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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63600 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 2.2 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 SHIYAN 27B
1 63600U 25078B 26089.47955515 .00000020 00000-0 89837-4 0 9994
2 63600 99.6946 97.8475 0000861 99.9187 260.2049 13.57244110 46852Epoch: 2026-03-30T11:30Z
TLE epoch observation values (Epoch: 2026-03-30T11:30:33.564Z)
Latitude
-0.00001°
Longitude
97.33715°
Altitude
1,048.629 km
Speed
7.328 km/s
True Right ascension
06h 31m 23s
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
00:09:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.655 km
Perigee altitude
1,042.377 km
Semi-major axis
7,421.153 km
Eccentricity
0.00009
Inclination
99.6946°
RAAN
97.8475°
Arg. of periapsis
99.9187°
True anomaly
260.19518°
Mean anomaly
260.2049°
Eccentric anomaly
260.20004°
Mean motion
3.39497 °/min
Orbital period
106.04 mins
BSTAR
0.000089837
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Other satellites on launch #78 in the year 2025 (2025-04-18 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.SHIYAN 27B 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-03-31 00:01:13.294Z | 146.517° SSE | 2026-03-31 00:06:13.294Z | 56.885° ENE | 41.544° | 2026-03-31 00:12:13.294Z | 351.929° N |
| 7 mins | 2026-03-31 01:48:13.294Z | 236.001° WSW | 2026-03-31 01:51:13.294Z | 270.654° WNW | 19.308° | 2026-03-31 01:55:13.294Z | 311.307° NW |
| 11 mins | 2026-03-31 12:53:13.294Z | 30.095° NE | 2026-03-31 12:58:13.294Z | 101.043° ESE | 37.192° | 2026-03-31 13:04:13.294Z | 174.131° S |
| 9 mins | 2026-03-31 14:38:13.294Z | 346.821° N | 2026-03-31 14:42:13.294Z | 301.099° NW | 25.207° | 2026-03-31 14:47:13.294Z | 244.356° WSW |
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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