ExPaceKuaizhou 1AMobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China
PRSC-S1
Launched
July 31, 2025 · 02:00 UTC
Image: CASIC
Summary
PRSC-S1 launched on an ExPace Kuaizhou 1A from Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China on July 31, 2025 at 02:00 UTC. The launch window ran from 01:51 to 02:39 UTC. It was ExPace's 30th launch, 2nd this year and humanity's 7,018th orbital launch attempt. It was the 30th Kuaizhou 1A flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). It reached a 551 × 562 km orbit inclined 41.1°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Kuaizhou 1A · ExPace
- Booster
- No booster details on record.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- 30th Kuaizhou 1A flight · 2nd this yearExPace's 30th launch2nd this yearhumanity's 7,018th orbital launch attempt169th orbital launch attempt this year
Flight preview
Orbit: as tracked
PRSC-S1 · NORAD 65055 · 2025-164 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-164A
- Epoch
- 2025-07-31 09:48:40 UTC
- Mean motion
- 15.05662261 rev/day
- Eccentricity
- 0.0007666
- Inclination
- 41.1302°
- Ascending node
- 296.2774°
- Arg. of perigee
- 250.5277°
- Mean anomaly
- 197.996°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
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.
Catalogued objects
1 catalogued: 1 payload; 1 still in orbit
- PRSC-S1 · NORAD 65055 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Chinese built Earth observation satellite for Pakistan’s SUPARCO (Space & Upper Atmosphere Research Commission).
Pad
Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China
8th launch from Mobile Launcher Pad, 1st this year · 229th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Jul 31, 10:00 AM GMT+8, in daylight
8 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
238 days after the previous launch from this pad
All launches from Xichang 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 · 7/25/2025 · source
Questions
When did PRSC-S1 launch?
PRSC-S1 launched on July 31, 2025 at 02:00 UTC. The launch window ran from 01:51 to 02:39 UTC.
Where can I watch PRSC-S1?
No webcast is on record for this launch.
What rocket launched PRSC-S1?
Kuaizhou 1A, flown by ExPace. Kuaizhou 1A spec sheet
Where did PRSC-S1 launch from?
Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China. Liftoff was Jul 31, 10:00 AM GMT+8 local time at the pad.
What orbit did PRSC-S1 reach?
It reached a 551 × 562 km orbit inclined 41.1°.
How many satellites did PRSC-S1 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).