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: 10 hours ago
TLE from 10 hours ago
0 SHIYAN 27F
1 63604U 25078F 25309.96925884 .00000037 00000-0 11341-3 0 9994
2 63604 99.6937 315.5342 0000669 92.9032 267.2183 13.57222749 27250Epoch: 2025-11-05T23:15Z
TLE epoch observation values (Epoch: 2025-11-05T23:15:43.963Z)
Latitude
-0.00003°
Longitude
-78.83328°
Altitude
1,048.622 km
Speed
7.328 km/s
True Right ascension
21h 02m 08s
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
04:49:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.59 km
Perigee altitude
1,042.597 km
Semi-major axis
7,421.231 km
Eccentricity
0.00007
Inclination
99.6937°
RAAN
315.5342°
Arg. of periapsis
92.9032°
True anomaly
267.21064°
Mean anomaly
267.2183°
Eccentric anomaly
267.21447°
Mean motion
3.39492 °/min
Orbital period
106.04 mins
BSTAR
0.00011341
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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 | 2025-11-06 12:16:04.008Z | 44.721° NE | 2025-11-06 12:21:04.008Z | 101.022° ESE | 22.675° | 2025-11-06 12:25:04.008Z | 143.565° SSE |
| 10 mins | 2025-11-06 14:01:04.008Z | 359.395° N | 2025-11-06 14:05:04.008Z | 303.852° NW | 38.284° | 2025-11-06 14:11:04.008Z | 217.992° SW |
| 11 mins | 2025-11-07 00:09:04.008Z | 152.871° SSE | 2025-11-07 00:14:04.008Z | 71.104° E | 43.552° | 2025-11-07 00:20:04.008Z | 349.964° N |
| 6 mins | 2025-11-07 01:57:04.008Z | 245.139° WSW | 2025-11-07 01:59:04.008Z | 266.998° W | 16.897° | 2025-11-07 02:03:04.008Z | 307.083° NW |
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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