SHIYAN 27B, 63600
Orbit data source: Space-Track
SHIYAN 27B, 63600 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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63600 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, 2.2 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 27B
1 63600U 25078B 26127.73860821 -.00000019 00000-0 35770-4 0 9997
2 63600 99.6923 135.5428 0001206 90.4777 269.6500 13.57221209 52047Epoch: 2026-05-07T17:43Z
TLE epoch observation values (Epoch: 2026-05-07T17:43:35.749Z)
Latitude
0.00003°
Longitude
4.06341°
Altitude
1,048.609 km
Speed
7.328 km/s
True Right ascension
09h 02m 10s
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
06:44:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.994 km
Perigee altitude
1,042.204 km
Semi-major axis
7,421.236 km
Eccentricity
0.00012
Inclination
99.6923°
RAAN
135.5428°
Arg. of periapsis
90.4777°
True anomaly
269.63618°
Mean anomaly
269.65°
Eccentric anomaly
269.64309°
Mean motion
3.39491 °/min
Orbital period
106.04 mins
BSTAR
0.00003577
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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 27B 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 | 2026-05-07 23:11:00.777Z | 112.534° SE | 2026-05-07 23:15:00.777Z | 69.701° E | 24.152° | 2026-05-07 23:20:00.777Z | 11.996° NNE |
| 10 mins | 2026-05-08 00:55:00.777Z | 188.67° SSW | 2026-05-08 01:00:00.777Z | 268.288° W | 38.061° | 2026-05-08 01:05:00.777Z | 332.16° NNW |
| 7 mins | 2026-05-08 12:04:00.777Z | 59.824° ENE | 2026-05-08 12:07:00.777Z | 92.873° ESE | 18.457° | 2026-05-08 12:11:00.777Z | 133.817° SE |
| 11 mins | 2026-05-08 13:47:00.777Z | 6.74° NNE | 2026-05-08 13:52:00.777Z | 289.728° WNW | 42.445° | 2026-05-08 13:58:00.777Z | 208.922° SW |
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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