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, 2.2 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SHIYAN 27B
1 63600U 25078B 25312.50030428 .00000025 00000-0 97517-4 0 9992
2 63600 99.6946 317.9928 0000672 94.7853 265.3362 13.57222639 27590Epoch: 2025-11-08T12:00Z
TLE epoch observation values (Epoch: 2025-11-08T12:00:26.289Z)
Latitude
-0.00005°
Longitude
89.95425°
Altitude
1,048.639 km
Speed
7.328 km/s
True Right ascension
21h 11m 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
19:17:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.593 km
Perigee altitude
1,042.596 km
Semi-major axis
7,421.231 km
Eccentricity
0.00007
Inclination
99.6946°
RAAN
317.9928°
Arg. of periapsis
94.7853°
True anomaly
265.32852°
Mean anomaly
265.3362°
Eccentric anomaly
265.33236°
Mean motion
3.39492 °/min
Orbital period
106.04 mins
BSTAR
0.000097517
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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 | 2025-11-09 00:29:22.266Z | 168.269° S | 2025-11-09 00:35:22.266Z | 259.092° W | 44.577° | 2025-11-09 00:41:22.266Z | 342.785° N |
| 11 mins | 2025-11-09 13:22:22.266Z | 17.172° NNE | 2025-11-09 13:27:22.266Z | 55.428° ENE | 44.399° | 2025-11-09 13:33:22.266Z | 192.577° SSW |
| 6 mins | 2025-11-09 15:09:22.266Z | 325.936° NNW | 2025-11-09 15:11:22.266Z | 304.44° NW | 16.662° | 2025-11-09 15:15:22.266Z | 264.856° W |
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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