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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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Iframe URL

https://www.satcat.com/sats-embedded/59728?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

59728, 2024-089A

Orbit

SSO

Country

CN / PRC

Related business

China National Space Administration (CN)

Manufacturer

CAST

Mission

Operational Defense Technology

Bus & Motor

SY23, Unknown motor

Mass

~1,000 kg wet, ~1,000 kg dry

Launch date (UTC)

2024-05-11 (2 years ago)

Launch vehicle

CHANG ZHENG 4C

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 2.5 m

Radar Cross Section

4.795 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 SHIYAN 23 (SY-23)
1 59728U 24089A   26177.68793501  .00000572  00000-0  69735-4 0  9994
2 59728  97.7767 179.2730 0004586 145.7356 214.4157 14.87058061115257

Epoch: 2026-06-26T16:30Z

TLE epoch observation values (Epoch: 2026-06-26T16:30:37.584Z)

Latitude

-0.00002°

Longitude

16.80355°

Altitude

612.812 km

Speed

7.551 km/s

True Right ascension

11h 57m 05s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

04:21:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

607.361 km

Perigee altitude

600.957 km

Semi-major axis

6,982.296 km

Eccentricity

0.00046

Inclination

97.7767°

RAAN

179.273°

Arg. of periapsis

145.7356°

True anomaly

214.38601°

Mean anomaly

214.4157°

Eccentric anomaly

214.40085°

Mean motion

3.72002 °/min

Orbital period

96.77 mins

BSTAR

0.000069735

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Other satellites on launch #89 in the year 2024 (2024-05-11 UTC)

CZ-4C R/B, 59729

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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	2026-06-27 23:20:16.252Z	119.662° SE	2026-06-27 23:23:16.252Z	67.466° ENE	23.091°	2026-06-27 23:26:16.252Z	17.185° NNE
5 mins	2026-06-28 00:57:16.252Z	228.532° WSW	2026-06-28 00:59:16.252Z	271.612° WNW	23.318°	2026-06-28 01:02:16.252Z	319.443° NNW
6 mins	2026-06-28 12:42:16.252Z	33.321° NE	2026-06-28 12:44:16.252Z	84.951° E	37.864°	2026-06-28 12:48:16.252Z	175.616° S

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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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Check out SHIYAN 23 (SY-23), 59728 on other resources

View SHIYAN 23 (SY-23), 59728 on NASA - NSSDCA Website

View SHIYAN 23 (SY-23), 59728 on Heavens-Above

View SHIYAN 23 (SY-23), 59728 on Keep Track

View SHIYAN 23 (SY-23), 59728 on Celestrak

View SHIYAN 23 (SY-23), 59728 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SHIYAN 23 (SY-23), 59728

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-06-26T16:30:37.584Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #89 in the year 2024 (2024-05-11 UTC)

SHIYAN 23 (SY-23) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SHIYAN 23 (SY-23), 59728 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago