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SHIYAN 27E, 63603

Orbit data source: Space-Track

SHIYAN 27E, 63603 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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https://www.satcat.com/sats-embedded/63603?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63603, 2025-078E

Orbit

SSO

Last TLE update

11 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 11 hours ago

0 SHIYAN 27E
1 63603U 25078E   25181.93281700 -.00000004  00000-0  56568-4 0  9996
2 63603  99.6896 189.3725 0001162  91.5524 268.5747 13.57205687  9886

Epoch: 2025-06-30T22:23Z

TLE epoch observation values (Epoch: 2025-06-30T22:23:15.388Z)

Latitude

-0.00008°

Longitude

-65.67713°

Altitude

1,048.682 km

Speed

7.328 km/s

True Right ascension

12h 37m 29s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

79.89973°

Longitude

-137.70263°

Altitude

1,058.288 km

Speed

7.33 km/s

Apparent Right ascension

08h 48m 27s

Apparent Declination

27° 41' 29"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:04:04

Azimuth

3.734° NNE

Elevation

-22.295°

Doppler factor

Orbital elements

Apogee altitude

1,044.018 km

Perigee altitude

1,042.294 km

Semi-major axis

7,421.293 km

Eccentricity

0.00012

Inclination

99.6896°

RAAN

189.3725°

Arg. of periapsis

91.5524°

True anomaly

Unknown

Mean anomaly

268.5747°

Eccentric anomaly

Unknown

Mean motion

3.39488 °/min

Orbital period

106.04 mins

BSTAR

0.000056568

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

SHIYAN 27E 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	2025-07-01 13:07:47.511Z	21.415° NNE	2025-07-01 13:13:47.511Z	100.358° ESE	42.11°	2025-07-01 13:19:47.511Z	183.482° SSW
7 mins	2025-07-01 14:54:47.511Z	335.24° NNW	2025-07-01 14:57:47.511Z	300.927° NW	20.593°	2025-07-01 15:01:47.511Z	257.655° W
9 mins	2025-07-01 23:18:47.511Z	112.195° ESE	2025-07-01 23:22:47.511Z	61.943° ENE	26.519°	2025-07-01 23:27:47.511Z	7.37° NNE
10 mins	2025-07-02 01:02:47.511Z	195.933° SSW	2025-07-02 01:06:47.511Z	253.758° W	35.666°	2025-07-02 01:12:47.511Z	331.607° NNW

Authenticating...

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Check out SHIYAN 27E, 63603 on other resources

View SHIYAN 27E, 63603 on NASA - NSSDCA Website

View SHIYAN 27E, 63603 on Heavens-Above

View SHIYAN 27E, 63603 on Keep Track

View SHIYAN 27E, 63603 on Celestrak

View SHIYAN 27E, 63603 on Gunter's Space Page

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