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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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Identifier
63603, 2025-078E
Orbit
SSO
Last TLE update
5 hours ago
Origin
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
1
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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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 mins2025-07-11 12:01:58.017Z57.262° ENE2025-07-11 12:04:58.017Z88.573° E17.664°2025-07-11 12:08:58.017Z130.159° SE
10 mins2025-07-11 13:45:58.017Z6.359° NNE2025-07-11 13:49:58.017Z311.611° NW42.659°2025-07-11 13:55:58.017Z207.952° SW
11 mins2025-07-11 23:53:58.017Z141.816° SSE2025-07-11 23:58:58.017Z68.933° E39.417°2025-07-12 00:04:58.017Z354.627° N
8 mins2025-07-12 01:39:58.017Z222.074° SW2025-07-12 01:43:58.017Z267.625° W21.923°2025-07-12 01:47:58.017Z311.732° NW
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