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, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 SHIYAN 27D
1 63602U 25078D 26269.58123715 -.00000002 00000-0 58677-4 0 9996
2 63602 99.6972 275.3449 0001037 88.7959 271.3298 13.57246737 71287Epoch: 2026-09-26T13:56Z
TLE epoch observation values (Epoch: 2026-09-26T13:56:58.889Z)
Latitude
-0.00005°
Longitude
60.71229°
Altitude
1,048.493 km
Speed
7.328 km/s
True Right ascension
18h 21m 22s
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
14:36:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.776 km
Perigee altitude
1,042.237 km
Semi-major axis
7,421.144 km
Eccentricity
0.0001
Inclination
99.6972°
RAAN
275.3449°
Arg. of periapsis
88.7959°
True anomaly
271.31792°
Mean anomaly
271.3298°
Eccentric anomaly
271.32386°
Mean motion
3.39498 °/min
Orbital period
106.04 mins
BSTAR
0.000058677
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-09-26 22:56:57.973Z | 105.969° ESE | 2026-09-26 23:01:57.973Z | 54.518° ENE | 21.336° | 2026-09-26 23:05:57.973Z | 14.836° NNE |
| 11 mins | 2026-09-27 00:40:57.973Z | 178.213° S | 2026-09-27 00:45:57.973Z | 279.718° WNW | 65.349° | 2026-09-27 00:51:57.973Z | 339.865° N |
| 5 mins | 2026-09-27 11:50:57.973Z | 72.591° E | 2026-09-27 11:52:57.973Z | 93.063° ESE | 14.643° | 2026-09-27 11:55:57.973Z | 121.542° SE |
| 11 mins | 2026-09-27 13:32:57.973Z | 12.676° NNE | 2026-09-27 13:37:57.973Z | 285.44° WNW | 83.464° | 2026-09-27 13:43:57.973Z | 199.859° SSW |
| 4 mins | 2026-09-27 15:19:57.973Z | 320.865° NNW | 2026-09-27 15:21:57.973Z | 300.498° NW | 14.451° | 2026-09-27 15:23:57.973Z | 280.984° 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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