LowEarth

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 2026-10-23 04:09 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
Chinese Government
Country
China
Manufacturer
—
Launched
Oct 31, 2025
Mass
—
Apogee
316 km
Perigee
298 km
Inclination
41.47°
Period
1.51 h

Altitude history

Apogee and perigee for SZ-21 MODULE across 149 days of archived orbital elements (151 element sets, one per day).

Trend
Decaying
Change
-48.3 km
Rate
-0.32 km/day
Now
298 × 316 km
329359298May 28Oct 25
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.

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