SHIYAN 27F, 63604
Orbit data source: Space-Track
SHIYAN 27F, 63604 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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63604 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, 14.5 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 SHIYAN 27F
1 63604U 25078F 25286.60068664 .00000015 00000-0 83505-4 0 9991
2 63604 99.6945 292.5156 0000729 84.1703 275.9518 13.57218687 24083Epoch: 2025-10-13T14:24Z
TLE epoch observation values (Epoch: 2025-10-13T14:24:59.325Z)
Latitude
-0.00008°
Longitude
53.86729°
Altitude
1,048.557 km
Speed
7.328 km/s
True Right ascension
19h 30m 03s
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
21:09:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.65 km
Perigee altitude
1,042.568 km
Semi-major axis
7,421.246 km
Eccentricity
0.00007
Inclination
99.6945°
RAAN
292.5156°
Arg. of periapsis
84.1703°
True anomaly
275.94349°
Mean anomaly
275.9518°
Eccentric anomaly
275.94765°
Mean motion
3.39491 °/min
Orbital period
106.04 mins
BSTAR
0.000083505
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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 27F 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-10-14 12:16:24.162Z | 46.884° ENE | 2025-10-14 12:20:24.162Z | 91.149° ESE | 22.785° | 2025-10-14 12:25:24.162Z | 145.577° SSE |
| 11 mins | 2025-10-14 14:00:24.162Z | 2.031° NNE | 2025-10-14 14:05:24.162Z | 293.764° NW | 38.569° | 2025-10-14 14:11:24.162Z | 217.141° SW |
| 11 mins | 2025-10-15 00:09:24.162Z | 152.318° SSE | 2025-10-15 00:14:24.162Z | 49.36° ENE | 43.305° | 2025-10-15 00:20:24.162Z | 349.673° N |
| 6 mins | 2025-10-15 01:56:24.162Z | 238.54° WSW | 2025-10-15 01:59:24.162Z | 270.515° WNW | 16.894° | 2025-10-15 02:02:24.162Z | 301.489° NW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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