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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 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

13 hours ago

Origin

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

Manufacturer

CAST

Mission

Operational Defense Radar Imaging

Bus & Motor

SW27, Unknown motor

Mass

300 kg wet, ~300 kg dry

Launch date (UTC)

2025-04-18 (2 months ago)

Launch vehicle

CHANG ZHENG 6A

Launch site

Taiyaun Space Center, China (TSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 10 m

Radar Cross Section

13.200 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 SHIYAN 27A
1 63599U 25078A   25181.90827326 -.00000004  00000-0  56500-4 0  9993
2 63599  99.6902 189.4084 0001179  95.8936 264.2337 13.57205818  9883

Epoch: 2025-06-30T21:47Z

TLE epoch observation values (Epoch: 2025-06-30T21:47:54.809Z)

Latitude

-0.00001°

Longitude

-56.7813°

Altitude

1,048.748 km

Speed

7.327 km/s

True Right ascension

12h 37m 38s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

71.08137°

Longitude

-85.97095°

Altitude

1,057.244 km

Speed

7.33 km/s

Apparent Right ascension

10h 20m 56s

Apparent Declination

21° 56' 05"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:11:07

Azimuth

357.418° N

Elevation

-28.107°

Doppler factor

Orbital elements

Apogee altitude

1,044.03 km

Perigee altitude

1,042.28 km

Semi-major axis

7,421.292 km

Eccentricity

0.00012

Inclination

99.6902°

RAAN

189.4084°

Arg. of periapsis

95.8936°

True anomaly

Unknown

Mean anomaly

264.2337°

Eccentric anomaly

Unknown

Mean motion

3.39488 °/min

Orbital period

106.04 mins

BSTAR

0.0000565

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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.
10 mins	2025-07-01 12:33:39.651Z	36.049° NE	2025-07-01 12:38:39.651Z	93.796° ESE	29.381°	2025-07-01 12:43:39.651Z	156.252° SSE
10 mins	2025-07-01 14:18:39.651Z	354.921° N	2025-07-01 14:23:39.651Z	288.692° WNW	32.184°	2025-07-01 14:28:39.651Z	230.337° WSW
6 mins	2025-07-01 22:45:39.651Z	85.014° E	2025-07-01 22:48:39.651Z	53.684° ENE	16.072°	2025-07-01 22:51:39.651Z	24.083° NE
10 mins	2025-07-02 00:27:39.651Z	166.641° S	2025-07-02 00:31:39.651Z	187.975° SSW	44.352°	2025-07-02 00:37:39.651Z	343.8° N

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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