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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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, 2.0 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 27D
1 63602U 25078D 26223.50851843 -.00000004 00000-0 56229-4 0 9991
2 63602 99.6959 229.9392 0000965 89.0500 271.0749 13.57253590 65038Epoch: 2026-08-11T12:12Z
TLE epoch observation values (Epoch: 2026-08-11T12:12:15.992Z)
Latitude
-0.00001°
Longitude
86.89677°
Altitude
1,048.472 km
Speed
7.328 km/s
True Right ascension
15h 19m 45s
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
13:25:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.698 km
Perigee altitude
1,042.265 km
Semi-major axis
7,421.118 km
Eccentricity
0.0001
Inclination
99.6959°
RAAN
229.9392°
Arg. of periapsis
89.05°
True anomaly
271.06384°
Mean anomaly
271.0749°
Eccentric anomaly
271.06937°
Mean motion
3.39499 °/min
Orbital period
106.04 mins
BSTAR
0.000056229
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-08-12 00:41:51.108Z | 177.917° S | 2026-08-12 00:46:51.108Z | 249.672° W | 42.201° | 2026-08-12 00:52:51.108Z | 338.378° N |
| 5 mins | 2026-08-12 11:51:51.108Z | 67.626° E | 2026-08-12 11:53:51.108Z | 87.803° E | 14.517° | 2026-08-12 11:56:51.108Z | 117.744° SE |
| 10 mins | 2026-08-12 13:34:51.108Z | 11.786° NNE | 2026-08-12 13:38:51.108Z | 342.302° N | 44.089° | 2026-08-12 13:44:51.108Z | 200.938° SSW |
| 4 mins | 2026-08-12 15:21:51.108Z | 315.904° NNW | 2026-08-12 15:22:51.108Z | 305.724° NW | 13.69° | 2026-08-12 15:25:51.108Z | 276.981° WNW |
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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