TIANMU-1 21

NORAD 58662· COSPAR 2023-208C· Active satellite· Weather· SSO

Launch

Launched on Dec 27, 2023 from Launch Area 95A, China aboard a Kuaizhou 1A.

Kuaizhou 1A | Tianmu-1 19-22 →

Live · TLE epoch 2026-09-08 13:58 UTC

Orbit class

SSO — Sun-Synchronous (LEO at 96–102° inclination)

Operator

China Meteorological Administration

Country

China

Manufacturer

CASC

Launched

Dec 27, 2023

Mass

—

Apogee

466 km

Perigee

456 km

Inclination

97.46°

Period

1.56 h

Altitude history

Apogee and perigee for TIANMU-1 21 across 103 days of archived orbital elements (105 element sets, one per day).

Trend

Decaying

Change

-5.3 km

Rate

-0.05 km/day

Now

456 × 466 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.

Launched with

3 other catalogued objects still in orbit from launch 2023-208 (Kuaizhou 1A | Tianmu-1 19-22).

TIANMU-1 19 · 58660
TIANMU-1 20 · 58661
TIANMU-1 22 · 58663

Sources & further reading

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