SHENZHOU-21 (SZ-21) - Norad ID: 66263
| Spacetrack Directory Name | SZ-21 |
| Alternative name | SHENZHOU-21 (SZ-21) |
| Follow SZ-21 | SZ-21 Tracker |
| Pass predictions SZ-21 | Pass predictions SZ-21 |
| Orbit launches |
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| Days in orbit | 10 |
| Country/organisation of origin | Chiny (PRC) |
| Starting point | JSC (Jiuquan Satellite Launch Center, China) |
| Perigee | 383 km |
| Apogee | 392 km |
| Orbit slope (inclination) | 41.47° |
| Laps per day | 16 |
SZ-21, 66263 is a payload satellite owned by SpaceX/Seattle (CN) in LEO that was launched on Wed, 03 Sep 2025 UTC via an FALCON 9 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.
satellite SZ-21 Date of exalting 31.10.2025y.