SZ-21 MODULE
NORAD 66515· COSPAR 2025-246C· ISS / Science· LEO
Launch
Launched on Oct 31, 2025 from Launch Area 91 (SLS-1 / 921), China aboard a Long March 2F/G.
Long March 2F/G | Shenzhou 21 →Live · TLE epoch 2026-09-09 09:29 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
Chinese Government
Country
China
Manufacturer
—
Launched
Oct 31, 2025
Mass
—
Apogee
335 km
Perigee
319 km
Inclination
41.47°
Period
1.52 h
Altitude history
Apogee and perigee for SZ-21 MODULE across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Decaying
Change
-27.7 km
Rate
-0.27 km/day
Now
320 × 335 km
Apogee Perigee
Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.
Related satellites
Sources & further reading
Embed this satellite on your site
Free for editorial use. Attribution back to LowEarth is required.
<iframe src="https://lowearth.app/embed/66515" width="640" height="400" frameborder="0" allow="fullscreen"></iframe>