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: 5 hours ago
TLE from 5 hours ago
0 SHIYAN 27D
1 63602U 25078D 26089.56578845 .00000010 00000-0 76734-4 0 9994
2 63602 99.6961 97.9588 0000892 100.4743 259.6496 13.57241565 46867Epoch: 2026-03-30T13:34Z
TLE epoch observation values (Epoch: 2026-03-30T13:34:44.122Z)
Latitude
0.00001°
Longitude
66.31946°
Altitude
1,048.648 km
Speed
7.328 km/s
True Right ascension
06h 31m 50s
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
00:15:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.687 km
Perigee altitude
1,042.363 km
Semi-major axis
7,421.162 km
Eccentricity
0.00009
Inclination
99.6961°
RAAN
97.9588°
Arg. of periapsis
100.4743°
True anomaly
259.63954°
Mean anomaly
259.6496°
Eccentric anomaly
259.64457°
Mean motion
3.39496 °/min
Orbital period
106.04 mins
BSTAR
0.000076734
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-03-30 22:37:22.243Z | 81.634° E | 2026-03-30 22:40:22.243Z | 51.932° ENE | 14.159° | 2026-03-30 22:42:22.243Z | 32.254° NE |
| 11 mins | 2026-03-31 00:18:22.243Z | 160.525° S | 2026-03-31 00:23:22.243Z | 125.676° SE | 44.67° | 2026-03-31 00:29:22.243Z | 346.715° N |
| 4 mins | 2026-03-31 02:07:22.243Z | 254.025° W | 2026-03-31 02:09:22.243Z | 274.45° WNW | 13.83° | 2026-03-31 02:11:22.243Z | 293.993° NW |
| 11 mins | 2026-03-31 13:11:22.243Z | 23.505° NE | 2026-03-31 13:16:22.243Z | 123.505° SE | 42.521° | 2026-03-31 13:22:22.243Z | 185.87° SSW |
| 7 mins | 2026-03-31 14:57:22.243Z | 330.915° NNW | 2026-03-31 15:00:22.243Z | 295.754° NW | 19.732° | 2026-03-31 15:04:22.243Z | 255.838° 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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