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, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 SHIYAN 27B
1 63600U 25078B 26269.64263587 -.00000002 00000-0 59364-4 0 9997
2 63600 99.6957 275.3507 0001073 78.5335 281.5924 13.57249853 71290Epoch: 2026-09-26T15:25Z
TLE epoch observation values (Epoch: 2026-09-26T15:25:23.739Z)
Latitude
0.00001°
Longitude
38.55402°
Altitude
1,048.339 km
Speed
7.328 km/s
True Right ascension
18h 21m 24s
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
14:37:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.791 km
Perigee altitude
1,042.199 km
Semi-major axis
7,421.132 km
Eccentricity
0.00011
Inclination
99.6957°
RAAN
275.3507°
Arg. of periapsis
78.5335°
True anomaly
281.58035°
Mean anomaly
281.5924°
Eccentric anomaly
281.58638°
Mean motion
3.39499 °/min
Orbital period
106.04 mins
BSTAR
0.000059364
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-09-26 22:41:19.915Z | 86.557° E | 2026-09-26 22:44:19.915Z | 56.7° ENE | 16.048° | 2026-09-26 22:47:19.915Z | 26.834° NE |
| 11 mins | 2026-09-27 00:23:19.915Z | 164.085° S | 2026-09-27 00:28:19.915Z | 336.679° NNW | 83.318° | 2026-09-27 00:34:19.915Z | 345.152° N |
| 11 mins | 2026-09-27 13:15:19.915Z | 20.179° NNE | 2026-09-27 13:20:19.915Z | 91.719° ESE | 73.613° | 2026-09-27 13:26:19.915Z | 188.351° SSW |
| 7 mins | 2026-09-27 15:01:19.915Z | 334.242° NNW | 2026-09-27 15:04:19.915Z | 301.886° NW | 19.557° | 2026-09-27 15:08:19.915Z | 261.083° W |
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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