Yaogan 53-07 to 09/56-19 to 21

Name: Yaogan 53-07 to 09/56-19 to 21
Start: 2026-10-23T19:25:00.000Z
End: 2026-10-23T19:39:00.000Z
Location: Launch Area 94 (SLS-2 / 603)

Long March 4B, China Aerospace Science and Technology Corporation

Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China

Launch time

T-0

Fri 23 Oct, 21:25 CEST

19:25 UTC

Minute precision Launch successful

The rocket put its payload into the planned orbit.

Window opens: Fri 23 Oct, 21:17 CEST
Window closes: Fri 23 Oct, 21:39 CEST

How to read launch times

How sure is this date?

The source gives minute precision. Launch plans can change.

Launch record updated by LL2 Fri 23 Oct 2026, 23:35 CEST

Feed checked 24 Oct, 02:26 CEST

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Mission

Yaogan 53-07 to 09/56-19 to 21 on Long March 4B. Fri 23 Oct 2026, 19:25 UTC. Reported outcome: Success. Launch site: Launch Area 94 (SLS-2 / 603). Source: Launch Library 2.

6 Chinese military “remote sensing” satellite of unknown purposes.

Mission type: Government/Top Secret
Orbit: Low Earth Orbit

Launch timeline

No timeline has been provided by the source.

Slip history

Changes recorded by Space Right Now

Tracking since Thu 15 Oct 2026, 21:10 UTC. 6 recorded changes.

Date moved later or became less certain 1 time.

Net movement of the source estimates: +1.42 hours. This is not a measured launch delay.

Fri 23 Oct 2026, 21:38 UTCRecorded change
Status changed from Go to Success
Fri 23 Oct 2026, 21:38 UTCRecorded change
Date became more certain: from Hour to Minute
Sat 17 Oct 2026, 14:08 UTCRecorded change
Status changed from TBC to Go
Sat 17 Oct 2026, 14:08 UTCRecorded change
Window close moved from Fri 23 Oct 2026, 21:00 UTC to Fri 23 Oct 2026, 19:39 UTC
Sat 17 Oct 2026, 14:08 UTCRecorded change
Window opening moved from Fri 23 Oct 2026, 18:00 UTC to Fri 23 Oct 2026, 19:17 UTC
Sat 17 Oct 2026, 14:08 UTCRecorded change
NET moved from Fri 23 Oct, around 18:00 UTC to Fri 23 Oct, around 19:25 UTC

Source updates from Launch Library 2 (3)

Announcements supplied by LL2 may predate our tracking. They are separate from changes observed by Space Right Now.

Fri 23 Oct 2026, 21:35 UTCLL2 update
Launch success.
Read the source update
Sat 17 Oct 2026, 13:59 UTCLL2 update
Refined launch window per new NOTAMs.
Read the source update
Thu 15 Oct 2026, 21:06 UTCLL2 update
Added launch per NOTAMs; Launch vehicle and payload identities extremely uncertain.
Read the source update

Launch pad

Launch Area 94 (SLS-2 / 603)

Jiuquan Satellite Launch Center, People's Republic of China (CN)

Coordinates: 40.960482, 100.298059

View launch pad on a map