China Aerospace Science and Technology CorporationLong March 2CLaunch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
Shiyan Weixing 1
Launched
April 18, 2004
Summary
Shiyan Weixing 1 launched on a China Aerospace Science and Technology Corporation Long March 2C from Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China on April 18, 2004. It was China Aerospace Science and Technology Corporation's 21st launch, 1st this year and humanity's 4,651st orbital launch attempt. It was the 12th Long March 2C flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Shiyan Weixing 1, one of 11 catalogued objects, reached a 551 × 626 km orbit inclined 97.6°. 11 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- 12th Long March 2C flight · 1st this yearChina Aerospace Science and Technology Corporation's 21st launch1st this yearhumanity's 4,651st orbital launch attempt12th orbital launch attempt this year
Flight preview
Orbit: as tracked
Shiyan Weixing 1 · NORAD 28220 · 2004-012 · Space-Track · tracking 1 of 11 objects
Show the numbers for orbit elements
- Object
- UNKNOWN OBJECT A
- Object ID
- 2004-012A
- Epoch
- 2004-04-18 22:21:10 UTC
- Mean motion
- 14.95320503 rev/day
- Eccentricity
- 0.0054454
- Inclination
- 97.6411°
- Ascending node
- 194.4041°
- Arg. of perigee
- 267.0585°
- Mean anomaly
- 92.4501°
- Element set
- 999
- Rev at epoch
- 4
- B*
- 0.021489
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
11 catalogued: 2 payloads, 1 rocket stage, 1 debris, 7 components; 2 still in orbit
- Shiyan Weixing 1 · NORAD 28220 · in orbit
- Naxing 1 · NORAD 28221 · in orbit
CZ-2C Y14 Stage 2 · re-entered September 15, 2026
Data from J. McDowell, planet4589.org
About this launch
Earth resources satellite.
Pad

Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
15th launch from Launch Complex 3 (LC-3/LA-1), 1st this year · 35th from Xichang Satellite Launch Center, People's Republic of China
108 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
110 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Questions
When did Shiyan Weixing 1 launch?
Shiyan Weixing 1 launched on April 18, 2004. The time is known to the hour, not the minute.
Where can I watch Shiyan Weixing 1?
No webcast is on record for this launch.
What rocket launched Shiyan Weixing 1?
Long March 2C, flown by China Aerospace Science and Technology Corporation. Long March 2C spec sheet
Where did Shiyan Weixing 1 launch from?
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China.
What orbit did Shiyan Weixing 1 reach?
Shiyan Weixing 1, one of 11 catalogued objects, reached a 551 × 626 km orbit inclined 97.6°.
How many satellites did Shiyan Weixing 1 launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Long March 2 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Flong_march_2_image_20230803100234.jpeg&w=1600)