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SHIYAN 27D, 63602

Orbit data source: Space-Track

SHIYAN 27D, 63602 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/63602?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63602, 2025-078D

Orbit

SSO

Country

CN / PRC

Related business

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

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 (1 year ago)

Launch vehicle

CHANG ZHENG 6A

Launch site

Taiyaun Space Center, China (TSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 2.0 m

Radar Cross Section

13.200 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 11 hours ago

TLE from 11 hours ago

0 SHIYAN 27D
1 63602U 25078D   26133.50090225  .00000010  00000-0  75963-4 0  9992
2 63602  99.6934 141.2534 0001168  92.5557 267.5715 13.57246072 52825

Epoch: 2026-05-13T12:01Z

TLE epoch observation values (Epoch: 2026-05-13T12:01:17.954Z)

Latitude

-0.00002°

Longitude

89.66857°

Altitude

1,048.55 km

Speed

7.328 km/s

True Right ascension

09h 25m 00s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

07:18:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,043.876 km

Perigee altitude

1,042.142 km

Semi-major axis

7,421.146 km

Eccentricity

0.00012

Inclination

99.6934°

RAAN

141.2534°

Arg. of periapsis

92.5557°

True anomaly

267.55813°

Mean anomaly

267.5715°

Eccentric anomaly

267.56481°

Mean motion

3.39498 °/min

Orbital period

106.04 mins

BSTAR

0.000075963

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

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SHIYAN 27D Visibility forecast

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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.
11 mins	2026-05-14 00:31:30.109Z	170.429° S	2026-05-14 00:36:30.109Z	290.521° WNW	44.18°	2026-05-14 00:42:30.109Z	342.689° N
11 mins	2026-05-14 13:23:30.109Z	16.96° NNE	2026-05-14 13:28:30.109Z	93.312° ESE	44.824°	2026-05-14 13:34:30.109Z	193.518° SSW
6 mins	2026-05-14 15:09:30.109Z	332.031° NNW	2026-05-14 15:12:30.109Z	300.841° NW	16.372°	2026-05-14 15:15:30.109Z	270.53° WNW

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Co-orbital & Co-planar RSOs

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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out SHIYAN 27D, 63602 on other resources

View SHIYAN 27D, 63602 on NASA - NSSDCA Website

View SHIYAN 27D, 63602 on Heavens-Above

View SHIYAN 27D, 63602 on Keep Track

View SHIYAN 27D, 63602 on Celestrak

View SHIYAN 27D, 63602 on Gunter's Space Page

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

SHIYAN 27D, 63602

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-05-13T12:01:17.954Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SHIYAN 27D Visibility forecast

Co-orbital & Co-planar RSOs

Check out SHIYAN 27D, 63602 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago