ExPaceKuaizhou 11Launch Area 95A, Jiuquan Satellite Launch Center, People's Republic of China
SpaceTY-51 & 52
Launched
September 17, 2026 · 02:40 UTC
Image: 中国航天科工
Summary
The Kuaizhou 11 rocket, operated by ExPace, launched from Jiuquan's Launch Area 95A, successfully inserting the SpaceTY-51 & 52 satellites into their target orbit. The two SpaceTY-built spacecraft are an Earth observation radar pair.
- Watch
- No webcast on record.
- Vehicle
- Kuaizhou 11 · ExPace
- Booster
- No booster details on record.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- 7th Kuaizhou 11 flight · 3rd this yearExPace's 35th launch3rd this yearhumanity's 7,396th orbital launch attempt223rd orbital launch attempt this year
Flight preview
Orbit: as tracked
TIANYI 51 · NORAD 100741 · 2026-215A · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TIANYI-51
- Object ID
- 2026-215A
- Epoch
- 2026-10-13 13:25:57 UTC
- Mean motion
- 15.2171455 rev/day
- Eccentricity
- 0.00018713
- Inclination
- 55.0222°
- Ascending node
- 237.2655°
- Arg. of perigee
- 115.5066°
- Mean anomaly
- 244.6149°
- Element set
- 999
- Rev at epoch
- 402
- B*
- -0.00069022185
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
About this launch
SpaceTY-51 & 52 launched on an ExPace Kuaizhou 11 from Launch Area 95A, Jiuquan Satellite Launch Center, People's Republic of China on September 17, 2026 at 02:40 UTC. The launch window ran from 02:31 to 03:12 UTC. It was ExPace's 35th launch, 3rd this year and humanity's 7,396th orbital launch attempt. It was the 7th Kuaizhou 11 flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). TIANYI 51, one of 2 catalogued objects, reached a 505 × 510 km orbit inclined 55.0°.
2 Earth observation radar satellites built by the Chinese satellite manufacturer SpaceTY.
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Pad

Launch Area 95A, Jiuquan Satellite Launch Center, People's Republic of China
68th launch from Launch Area 95A, 4th this year · 297th from Jiuquan Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Sep 17, 10:40 AM GMT+8, in daylight
68 launches from this pad · 299 from Jiuquan Satellite Launch Center, People's Republic of China
91 days after the previous launch from this pad
All launches from Jiuquan Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Launch success.
Show 1 earlier update
Added launch per NOTAMs; Payload and launch vehicle identities highly uncertain.
Cosmic_Penguin · 9/11/2026 · source
Questions
When did SpaceTY-51 & 52 launch?
SpaceTY-51 & 52 launched on September 17, 2026 at 02:40 UTC. The launch window ran from 02:31 to 03:12 UTC.
Where can I watch SpaceTY-51 & 52?
No webcast is on record for this launch.
What rocket launched SpaceTY-51 & 52?
Kuaizhou 11, flown by ExPace. Kuaizhou 11 spec sheet
Where did SpaceTY-51 & 52 launch from?
Launch Area 95A, Jiuquan Satellite Launch Center, People's Republic of China. Liftoff was Sep 17, 10:40 AM GMT+8 local time at the pad.
What orbit did SpaceTY-51 & 52 reach?
TIANYI 51, one of 2 catalogued objects, reached a 505 × 510 km orbit inclined 55.0°.
