SZ-20, 63632 (Decayed)
Orbit data source: Space-Track
SZ-20, 63632 was 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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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CALT
Mission
Decayed 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: 3 months ago
TLE from 3 months ago
0 SZ-20
1 63632U 25082A 26031.38642198 .00028253 00000-0 32371-3 0 9999
2 63632 41.4674 74.8264 0008910 46.9753 313.1831 15.61427822255304Epoch: 2026-01-31T09:16Z
TLE epoch observation values (Epoch: 2026-01-31T09:16:26.859Z)
Latitude
-0.00002°
Longitude
165.10331°
Altitude
379.012 km
Speed
7.687 km/s
True Right ascension
04h 59m 18s
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
22:20:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
391.792 km
Perigee altitude
379.739 km
Semi-major axis
6,763.903 km
Eccentricity
0.00089
Inclination
41.4674°
RAAN
74.8264°
Arg. of periapsis
46.9753°
True anomaly
313.10859°
Mean anomaly
313.1831°
Eccentric anomaly
313.14585°
Mean motion
3.90164 °/min
Orbital period
92.27 mins
BSTAR
0.00032371
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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 | 2026-05-13 06:30:21.092Z | 213.019° SW | 2026-05-13 06:32:21.092Z | 147.898° SSE | 28.802° | 2026-05-13 06:34:21.092Z | 93.528° ESE |
| 4 mins | 2026-05-13 08:07:21.092Z | 272.95° WNW | 2026-05-13 08:08:21.092Z | 322.099° NNW | 43.436° | 2026-05-13 08:11:21.092Z | 76.896° E |
| 4 mins | 2026-05-13 09:43:21.092Z | 287.163° WNW | 2026-05-13 09:45:21.092Z | 61.786° ENE | 41.163° | 2026-05-13 09:47:21.092Z | 92.215° ESE |
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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