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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Edit Public Description
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, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 SHIYAN 27B
1 63600U 25078B 25259.64446865 .00000010 00000-0 76509-4 0 9995
2 63600 99.6953 265.9196 0000884 79.3896 280.7342 13.57213129 20426Epoch: 2025-09-16T15:28Z
TLE epoch observation values (Epoch: 2025-09-16T15:28:02.091Z)
Latitude
-0°
Longitude
38.07908°
Altitude
1,048.511 km
Speed
7.328 km/s
True Right ascension
17h 43m 40s
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
01:02:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.785 km
Perigee altitude
1,042.473 km
Semi-major axis
7,421.266 km
Eccentricity
0.00009
Inclination
99.6953°
RAAN
265.9196°
Arg. of periapsis
79.3896°
True anomaly
280.72425°
Mean anomaly
280.7342°
Eccentric anomaly
280.72922°
Mean motion
3.39489 °/min
Orbital period
106.04 mins
BSTAR
0.000076509
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-09-17 13:16:41.549Z | 17.851° NNE | 2025-09-17 13:22:41.549Z | 68.531° E | 43.746° | 2025-09-17 13:28:41.549Z | 189.256° SSW |
| 6 mins | 2025-09-17 15:04:41.549Z | 327.196° NNW | 2025-09-17 15:06:41.549Z | 305.096° NW | 17.889° | 2025-09-17 15:10:41.549Z | 263.675° W |
| 9 mins | 2025-09-17 23:27:41.549Z | 119.632° SE | 2025-09-17 23:31:41.549Z | 68.214° E | 29.775° | 2025-09-17 23:36:41.549Z | 6.57° NNE |
| 10 mins | 2025-09-18 01:11:41.549Z | 200.332° SSW | 2025-09-18 01:16:41.549Z | 269.399° W | 31.921° | 2025-09-18 01:21:41.549Z | 326.925° NNW |
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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