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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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<iframe src="https://www.satcat.com/sats-embedded/63632?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/63632?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63632, 2025-082A

Orbit

LEO

Country

CN / PRC

Related business

China Manned Space Agency (CN)

Manufacturer

CALT

Mission

Operational Civil Spaceship

Bus & Motor

SHENZHOU, Unknown motor

Mass

~8,100 kg wet, 3,258 kg dry

Launch date (UTC)

2025-04-24 (8 months ago)

Launch vehicle

CHANG ZHENG 2F

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

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 & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 SZ-20
1 63632U 25082A   25346.97088639  .00026417  00000-0  33033-3 0  9992
2 63632  41.4684  15.3046 0008245  32.5257 327.6088 15.59178060255302

Epoch: 2025-12-12T23:18Z

TLE epoch observation values (Epoch: 2025-12-12T23:18:04.584Z)

Latitude

-0°

Longitude

-56.11936°

Altitude

384.924 km

Speed

7.684 km/s

True Right ascension

01h 01m 13s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:00:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

397.848 km

Perigee altitude

386.684 km

Semi-major axis

6,770.403 km

Eccentricity

0.00082

Inclination

41.4684°

RAAN

15.3046°

Arg. of periapsis

32.5257°

True anomaly

327.55814°

Mean anomaly

327.6088°

Eccentric anomaly

327.58348°

Mean motion

3.89602 °/min

Orbital period

92.4 mins

BSTAR

0.00033033

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Other satellites on launch #82 in the year 2025 (2025-04-24 UTC)

CZ-2F R/B, 63633 (Decayed)

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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	2025-12-14 06:19:50.973Z	242.093° WSW	2025-12-14 06:20:50.973Z	208.176° SW	42.868°	2025-12-14 06:23:50.973Z	79.018° E
4 mins	2025-12-14 07:56:50.973Z	289.136° WNW	2025-12-14 07:57:50.973Z	328.78° NNW	40.742°	2025-12-14 08:00:50.973Z	81.929° E
4 mins	2025-12-14 09:33:50.973Z	273.214° WNW	2025-12-14 09:34:50.973Z	238.807° WSW	41.954°	2025-12-14 09:37:50.973Z	114.35° SE

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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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Check out SZ-20, 63632 on other resources

View SZ-20, 63632 on NASA - NSSDCA Website

View SZ-20, 63632 on Heavens-Above

View SZ-20, 63632 on Keep Track

View SZ-20, 63632 on Celestrak

View SZ-20, 63632 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SZ-20, 63632

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2025-12-12T23:18:04.584Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #82 in the year 2025 (2025-04-24 UTC)

SZ-20 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SZ-20, 63632 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago