SHIYAN 23 (SY-23), 59728
Orbit data source: Space-Track
SHIYAN 23 (SY-23), 59728 is a payload satellite owned by CNSA (CN) in SSO that was launched on Sat, 11 May 2024 UTC via a CHANG ZHENG 4C launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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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59728 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Technology
Bus & Motor
SY23, Unknown motor
Mass
~1,000 kg wet, ~1,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.5 m
Radar Cross Section
4.795 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 hours ago
TLE from 3 hours ago
0 SHIYAN 23 (SY-23)
1 59728U 24089A 26236.76570487 .00000450 00000-0 56053-4 0 9999
2 59728 97.7810 237.1537 0003466 354.1025 6.0150 14.87118241124031Epoch: 2026-08-24T18:22Z
TLE epoch observation values (Epoch: 2026-08-24T18:22:36.900Z)
Latitude
-0.00002°
Longitude
-11.54275°
Altitude
607.571 km
Speed
7.557 km/s
True Right ascension
15h 48m 36s
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
13:02:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
606.391 km
Perigee altitude
601.551 km
Semi-major axis
6,982.108 km
Eccentricity
0.00035
Inclination
97.781°
RAAN
237.1537°
Arg. of periapsis
354.1025°
True anomaly
6.01916°
Mean anomaly
6.015°
Eccentric anomaly
6.01708°
Mean motion
3.72017 °/min
Orbital period
96.77 mins
BSTAR
0.000056053
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Other satellites on launch #89 in the year 2024 (2024-05-11 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 23 (SY-23) 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-24 23:21:32.219Z | 124.732° SE | 2026-08-24 23:24:32.219Z | 75.988° E | 24.259° | 2026-08-24 23:27:32.219Z | 19.093° NNE |
| 5 mins | 2026-08-25 00:58:32.219Z | 225.294° WSW | 2026-08-25 01:00:32.219Z | 263.522° W | 22.002° | 2026-08-25 01:03:32.219Z | 314.849° NW |
| 6 mins | 2026-08-25 12:43:32.219Z | 28.025° NE | 2026-08-25 12:46:32.219Z | 125.228° SE | 39.012° | 2026-08-25 12:49:32.219Z | 176.904° S |
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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