SHIYAN 27D, 63602
Orbit data source: Space-Track
SHIYAN 27D, 63602 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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63602 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: 12 hours ago
TLE from 12 hours ago
0 SHIYAN 27D
1 63602U 25078D 25261.27857765 .00000027 00000-0 10003-3 0 9998
2 63602 99.6976 267.5265 0000839 79.2047 280.9185 13.57213545 20648Epoch: 2025-09-18T06:41Z
TLE epoch observation values (Epoch: 2025-09-18T06:41:09.108Z)
Latitude
-0.00012°
Longitude
169.79611°
Altitude
1,048.514 km
Speed
7.328 km/s
True Right ascension
17h 50m 06s
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
11:34:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.75 km
Perigee altitude
1,042.505 km
Semi-major axis
7,421.265 km
Eccentricity
0.00008
Inclination
99.6976°
RAAN
267.5265°
Arg. of periapsis
79.2047°
True anomaly
280.90906°
Mean anomaly
280.9185°
Eccentric anomaly
280.91378°
Mean motion
3.39489 °/min
Orbital period
106.04 mins
BSTAR
0.00010003
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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 27D 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-18 22:47:07.484Z | 93.727° ESE | 2025-09-18 22:51:07.484Z | 53.035° ENE | 16.786° | 2025-09-18 22:54:07.484Z | 23.166° NE |
| 11 mins | 2025-09-19 00:29:07.484Z | 168.119° S | 2025-09-19 00:34:07.484Z | 205.943° SW | 44.24° | 2025-09-19 00:40:07.484Z | 342.714° N |
| 11 mins | 2025-09-19 13:22:07.484Z | 18.11° NNE | 2025-09-19 13:27:07.484Z | 131.981° SE | 44.569° | 2025-09-19 13:33:07.484Z | 192.373° SSW |
| 6 mins | 2025-09-19 15:08:07.484Z | 330.27° NNW | 2025-09-19 15:11:07.484Z | 298.079° NW | 16.84° | 2025-09-19 15:14:07.484Z | 268.016° 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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