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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
63632 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
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: 2 weeks ago
TLE from 2 weeks 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
17:45:13
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
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #82 in the year 2025 (2025-04-24 UTC)
Did you know?
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
Loading observer location...
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 | 2026-02-12 00:47:53.183Z | 204.342° SW | 2026-02-12 00:49:53.183Z | 163.733° S | 20.795° | 2026-02-12 00:51:53.183Z | 109.114° ESE |
| 5 mins | 2026-02-12 02:24:53.183Z | 255.551° W | 2026-02-12 02:26:53.183Z | 96.736° ESE | 44.932° | 2026-02-12 02:29:53.183Z | 77.359° E |
| 4 mins | 2026-02-12 04:01:53.183Z | 285.719° WNW | 2026-02-12 04:03:53.183Z | 28.206° NE | 41.522° | 2026-02-12 04:05:53.183Z | 83.465° E |
| 4 mins | 2026-02-12 05:38:53.183Z | 269.555° W | 2026-02-12 05:40:53.183Z | 165.401° S | 37.102° | 2026-02-12 05:42:53.183Z | 124.193° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|