Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/63603?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/63603?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

63603, 2025-078E

Orbit

SSO

Last TLE update

10 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, 5.0 m

Radar Cross Section

13.200 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 SHIYAN 27E
1 63603U 25078E   25199.55158472  .00000003  00000-0  66548-4 0  9999
2 63603  99.6904 206.7244 0001171  87.0839 273.0433 13.57206018 12274

Epoch: 2025-07-18T13:14Z

TLE epoch observation values (Epoch: 2025-07-18T13:14:16.919Z)

Latitude

-0.00007°

Longitude

71.5525°

Altitude

1,048.613 km

Speed

7.328 km/s

True Right ascension

13h 46m 53s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-80.09172°

Longitude

148.51696°

Altitude

1,074.769 km

Speed

7.314 km/s

Apparent Right ascension

23h 17m 33s

Apparent Declination

-65° 06' 27"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:12:55

Azimuth

166.921° S

Elevation

-63.574°

Doppler factor

Orbital elements

Apogee altitude

1,044.024 km

Perigee altitude

1,042.286 km

Semi-major axis

7,421.292 km

Eccentricity

0.00012

Inclination

99.6904°

RAAN

206.7244°

Arg. of periapsis

87.0839°

True anomaly

273.0299°

Mean anomaly

273.0433°

Eccentric anomaly

273.0366°

Mean motion

3.39488 °/min

Orbital period

106.04 mins

BSTAR

0.000066548

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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	2025-07-18 23:57:19.053Z	148.009° SSE	2025-07-19 00:03:19.053Z	81.31° E	40.735°	2025-07-19 00:09:19.053Z	353.805° N
7 mins	2025-07-19 01:45:19.053Z	229.93° WSW	2025-07-19 01:48:19.053Z	263.744° W	20.303°	2025-07-19 01:52:19.053Z	308.074° NW
10 mins	2025-07-19 12:51:19.053Z	33.424° NE	2025-07-19 12:56:19.053Z	112.93° SE	35.729°	2025-07-19 13:01:19.053Z	170.443° S
9 mins	2025-07-19 14:36:19.053Z	344.534° N	2025-07-19 14:40:19.053Z	294.041° NW	26.203°	2025-07-19 14:45:19.053Z	240.49° WSW
8 mins	2025-07-19 23:01:19.053Z	100.828° ESE	2025-07-19 23:05:19.053Z	55.832° ENE	20.782°	2025-07-19 23:09:19.053Z	14.916° NNE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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

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