ChinaSat 4B

Long March 7A, China Aerospace Science and Technology Corporation

201, Wenchang Space Launch Site, People's Republic of China

Launch time

T-0

Mon 10 Aug, 14:02 CEST

12:02 UTC

The rocket did not reach orbit, or the payload did not separate from it.

The source gives minute precision. Launch plans can change.

Source updated Mon 10 Aug, 18:26 CEST

Updated 11 Oct, 00:22 CEST

No changes since we started tracking on Sat 10 Oct 2026, 10:32 UTC.

Mon 10 Aug 2026, 16:26 UTCLL2 update
Updated mission details.
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Mon 10 Aug 2026, 12:24 UTCLL2 update
Exploded during 1st stage flight.
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Mon 10 Aug 2026, 12:05 UTCLL2 update
Liftoff.
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Wed 5 Aug 2026, 02:01 UTCLL2 update
NET August 10 per new NOTAMs.
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Mon 20 Jul 2026, 12:26 UTCLL2 update
Added launch per NOTAMs; Launch vehicle and payload identities uncertain.
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ChinaSat 4B on Long March 7A from 201. Launch time, status and recorded date changes from Launch Library 2.

Chinese communication geostationary satellite for unknown purposes.

No timeline has been provided by the source.

201

Wenchang Space Launch Site, People's Republic of China (CN)

Coordinates: 19.618452, 110.955356