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SHIYAN 27A, 63599

Orbit data source: Space-Track

SHIYAN 27A, 63599 is a payload satellite 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
63599, 2025-078A
Orbit
SSO
Last TLE update
4 hours ago
Origin
Manufacturer
CAST
Mission
Operational spacecraft
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
2025-04-18 (1 month ago)
Launch vehicle
CHANG ZHENG 6A
Launch site
Taiyaun Space Center, China (TSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)

Expand to show TLE details & history

TLE from 4 hours ago
0 SHIYAN 27A
1 63599U 25078A   25140.55200461  .00000026  00000-0  98671-4 0  9992
2 63599  99.6910 148.6769 0000920  95.5369 264.5874 13.57200955  4273
Epoch: 2025-05-20T13:14Z
TLE epoch observation values (Epoch: 2025-05-20T13:14:53.198Z)
Latitude
-0.00004°
Longitude
71.50661°
Altitude
1,048.742 km
Speed
7.328 km/s
True Right ascension
09h 54m 42s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
72.40731°
Longitude
39.26832°
Altitude
1,057.638 km
Speed
7.33 km/s
Apparent Right ascension
12h 21m 35s
Apparent Declination
29° 46' 54"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
02:03:17
Azimuth
22.857° NE
Elevation
-16.41°
Doppler factor
1
Orbital elements
Apogee altitude
1,043.856 km
Perigee altitude
1,042.49 km
Semi-major axis
7,421.31 km
Eccentricity
0.00009
Inclination
99.691°
RAAN
148.6769°
Arg. of periapsis
95.5369°
True anomaly
Unknown
Mean anomaly
264.5874°
Eccentric anomaly
Unknown
Mean motion
3.39486 °/min
Orbital period
106.04 mins
BSTAR
0.000098671
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SHIYAN 27A 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 mins2025-05-20 23:58:19.502Z147.339° SSE2025-05-21 00:04:19.502Z64.048° ENE40.889°2025-05-21 00:10:19.502Z352.97° N
7 mins2025-05-21 01:46:19.502Z233.692° WSW2025-05-21 01:49:19.502Z268.978° W20.259°2025-05-21 01:53:19.502Z311.088° NW
11 mins2025-05-21 12:51:19.502Z30.521° NE2025-05-21 12:56:19.502Z96.574° ESE36.147°2025-05-21 13:02:19.502Z171.969° S
8 mins2025-05-21 14:37:19.502Z341.318° N2025-05-21 14:40:19.502Z303.857° NW25.99°2025-05-21 14:45:19.502Z244.011° WSW
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