SJ-28

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NORAD ID: 66549

Int'l Code: 2025-277A

Perigee: 35,791.4 km

Apogee: 35,796.9 km

Inclination: 4.9 °

Period: 1,436.1 minutes

Semi major axis: 42165 km

RCS: Unknown

Launch date: November 30, 2025
Source: People's Republic of China (PRC)
Launch site: Wenchang Satellite Launch Center (WSC)

SJ-28 is a Chinese technology?demonstration satellite in the Shijian ("Practice/Test") series. It is operated by Chinese space organizations (Shijian series satellites are typically built/managed by CAST and affiliated institutes) and was launched into low Earth orbit to test on?orbit technologies and experiments. Public technical details are limited.

1 66549U 25277A   26022.02918918 -.00000344  00000-0  00000-0 0  9995
2 66549   4.9156 274.3268 0000656 163.1019 171.2827  1.00270429   684

Source of the keplerian elements: AFSPC