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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

5 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 (3 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 5 hours ago

0 SHIYAN 27E
1 63603U 25078E   25192.25343523  .00000003  00000-0  66499-4 0  9997
2 63603  99.6900 199.5366 0001175  88.9077 271.2196 13.57206510 11285

Epoch: 2025-07-11T06:04Z

TLE epoch observation values (Epoch: 2025-07-11T06:04:56.803Z)

Latitude

-0.00004°

Longitude

178.89191°

Altitude

1,048.639 km

Speed

7.328 km/s

True Right ascension

13h 18m 08s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

1.8683°

Longitude

178.79249°

Altitude

1,048.379 km

Speed

7.328 km/s

Apparent Right ascension

12h 39m 49s

Apparent Declination

-17° 36' 46"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:41:59

Azimuth

326.551° NNW

Elevation

-64.428°

Doppler factor

Orbital elements

Apogee altitude

1,044.025 km

Perigee altitude

1,042.281 km

Semi-major axis

7,421.29 km

Eccentricity

0.00012

Inclination

99.69°

RAAN

199.5366°

Arg. of periapsis

88.9077°

True anomaly

Unknown

Mean anomaly

271.2196°

Eccentric anomaly

Unknown

Mean motion

3.39488 °/min

Orbital period

106.04 mins

BSTAR

0.000066499

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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.
7 mins	2025-07-11 12:01:58.017Z	57.262° ENE	2025-07-11 12:04:58.017Z	88.573° E	17.664°	2025-07-11 12:08:58.017Z	130.159° SE
10 mins	2025-07-11 13:45:58.017Z	6.359° NNE	2025-07-11 13:49:58.017Z	311.611° NW	42.659°	2025-07-11 13:55:58.017Z	207.952° SW
11 mins	2025-07-11 23:53:58.017Z	141.816° SSE	2025-07-11 23:58:58.017Z	68.933° E	39.417°	2025-07-12 00:04:58.017Z	354.627° N
8 mins	2025-07-12 01:39:58.017Z	222.074° SW	2025-07-12 01:43:58.017Z	267.625° W	21.923°	2025-07-12 01:47:58.017Z	311.732° NW

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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