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SHIYAN 27A, 63599

Orbit data source: Space-Track

SHIYAN 27A, 63599 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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<iframe src="https://www.satcat.com/sats-embedded/63599?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/63599?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63599, 2025-078A

Orbit

SSO

Last TLE update

9 hours ago

Origin

China Aerospace Science and Technology Corporation (CASC) (CN / PRC)

Manufacturer

CAST

Mission

Operational spacecraft

Bus & Motor

SW27, Unknown motor

Mass

300 kg wet, ~300 kg dry

Launch date (UTC)

2025-04-18 (1 week ago)

Launch vehicle

CHANG ZHENG 6A

Launch site

Taiyaun Space Center, China (TSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

RCS unknown

Expand to show TLE details & history

TLE from 9 hours ago

0 SHIYAN 27A
1 63599U 25078A   25115.94625058  .00000114  00000-0  18590-3 0  9999
2 63599  99.6921 124.4027 0005890 213.7413 146.3357 13.68548685   938

Epoch: 2025-04-25T22:42Z

Definitive object data (Epoch: 2025-04-25T22:42:36.05Z)

Latitude

-0.00004°

Longitude

-70.44354°

Altitude

1,011.218 km

Speed

7.344 km/s

True Right ascension

08h 17m 36s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

46.80493°

Longitude

-80.49285°

Altitude

1,016.114 km

Speed

7.346 km/s

Apparent Right ascension

05h 21m 44s

Apparent Declination

8° 58' 50"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:00:40

Azimuth

318.17° NNW

Elevation

-31.223°

Doppler factor

Orbital elements

Apogee altitude

1,006.409 km

Perigee altitude

997.715 km

Semi-major axis

7,380.199 km

Eccentricity

0.000589

Inclination

99.6921°

RAAN

124.4027°

Arg. of periapsis

213.7413°

True anomaly

146.37309°

Mean anomaly

146.3357°

Eccentric anomaly

146.3544°

Mean motion

3.42327 °/min

BSTAR

0.0001859

Orbital period

105.16 mins

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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)

SHIYAN 27A Visibility forecast

Observer location: undefined°, undefined°

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.
12 mins	2025-04-26 13:19:52.861Z	17.712° NNE	2025-04-26 13:25:52.861Z	127.365° SE	44.314°	2025-04-26 13:31:52.861Z	191.249° SSW
6 mins	2025-04-26 15:05:52.861Z	332.287° NNW	2025-04-26 15:08:52.861Z	299.707° NW	16.847°	2025-04-26 15:11:52.861Z	268.215° W
8 mins	2025-04-26 23:25:52.861Z	113.932° SE	2025-04-26 23:29:52.861Z	57.249° ENE	27.994°	2025-04-26 23:33:52.861Z	9.663° NNE
10 mins	2025-04-27 01:08:52.861Z	200.31° SSW	2025-04-27 01:12:52.861Z	256.976° W	33.043°	2025-04-27 01:18:52.861Z	330.277° NNW

Authenticating...

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Check out SHIYAN 27A, 63599 on other resources

View SHIYAN 27A, 63599 on NASA - NSSDCA Website

View SHIYAN 27A, 63599 on Heavens-Above

View SHIYAN 27A, 63599 on Keep Track

View SHIYAN 27A, 63599 on Celestrak

View SHIYAN 27A, 63599 on Gunter's Space Page

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