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, 2.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 SHIYAN 27D
1 63602U 25078D 26032.95117190 .00000013 00000-0 80635-4 0 9995
2 63602 99.6962 42.1722 0000690 86.5857 273.5361 13.57234643 39188Epoch: 2026-02-01T22:49Z
TLE epoch observation values (Epoch: 2026-02-01T22:49:41.252Z)
Latitude
0.00007°
Longitude
-72.40314°
Altitude
1,048.523 km
Speed
7.328 km/s
True Right ascension
02h 48m 41s
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
14:13:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.563 km
Perigee altitude
1,042.539 km
Semi-major axis
7,421.188 km
Eccentricity
0.00007
Inclination
99.6962°
RAAN
42.1722°
Arg. of periapsis
86.5857°
True anomaly
273.52821°
Mean anomaly
273.5361°
Eccentric anomaly
273.53215°
Mean motion
3.39495 °/min
Orbital period
106.04 mins
BSTAR
0.000080635
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-02-02 13:33:57.653Z | 12.462° NNE | 2026-02-02 13:39:57.653Z | 272.204° WNW | 44.654° | 2026-02-02 13:45:57.653Z | 200.85° SSW |
| 4 mins | 2026-02-02 15:21:57.653Z | 319.947° NNW | 2026-02-02 15:23:57.653Z | 299.72° NW | 13.521° | 2026-02-02 15:25:57.653Z | 280.561° WNW |
| 10 mins | 2026-02-02 23:43:57.653Z | 132.939° SE | 2026-02-02 23:48:57.653Z | 55.153° ENE | 35.589° | 2026-02-02 23:53:57.653Z | 359.068° N |
| 9 mins | 2026-02-03 01:28:57.653Z | 213.522° SW | 2026-02-03 01:32:57.653Z | 260.18° W | 25.488° | 2026-02-03 01:37:57.653Z | 318.464° NNW |
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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