SZ-20, 63632
Orbit data source: Space-Track
SZ-20, 63632 is a payload satellite owned by ZZHGB (CN) in LEO that was launched on Thu, 24 Apr 2025 UTC via a CHANG ZHENG 2F launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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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63632 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
None
Manufacturer
CALT
Mission
Operational Civil Spaceship
Bus & Motor
SHENZHOU, Unknown motor
Mass
~8,100 kg wet, 3,258 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 8.5 m
Radar Cross Section
39.234 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 SZ-20
1 63632U 25082A 25261.12596439 .00029313 00000-0 35912-3 0 9993
2 63632 41.4645 177.1936 0003309 5.6412 354.4463 15.59705520237171Epoch: 2025-09-18T03:01Z
TLE epoch observation values (Epoch: 2025-09-18T03:01:23.323Z)
Latitude
-0.00002°
Longitude
134.55436°
Altitude
385.88 km
Speed
7.682 km/s
True Right ascension
11h 48m 46s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
05:27:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
392.981 km
Perigee altitude
388.502 km
Semi-major axis
6,768.878 km
Eccentricity
0.00033
Inclination
41.4645°
RAAN
177.1936°
Arg. of periapsis
5.6412°
True anomaly
354.44263°
Mean anomaly
354.4463°
Eccentric anomaly
354.44446°
Mean motion
3.89734 °/min
Orbital period
92.37 mins
BSTAR
0.00035912
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Other satellites on launch #82 in the year 2025 (2025-04-24 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SZ-20 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-18 21:40:33.790Z | 200.547° SSW | 2025-09-18 21:42:33.790Z | 152.559° SSE | 22.065° | 2025-09-18 21:44:33.790Z | 102.941° ESE |
| 4 mins | 2025-09-18 23:17:33.790Z | 256.421° W | 2025-09-18 23:19:33.790Z | 77.168° E | 43.823° | 2025-09-18 23:21:33.790Z | 77.177° E |
| 4 mins | 2025-09-19 00:54:33.790Z | 286.159° WNW | 2025-09-19 00:56:33.790Z | 33.4° NE | 41.526° | 2025-09-19 00:58:33.790Z | 84.124° E |
| 4 mins | 2025-09-19 02:31:33.790Z | 270.022° WNW | 2025-09-19 02:33:33.790Z | 175.226° S | 37.917° | 2025-09-19 02:35:33.790Z | 126.036° SE |
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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