29 December 2003, 19:06 UTC
Tan Ce 1

Long March 2C launched Double Star 1 (TC-1), the equatorial member of a Chinese-European pair of magnetospheric research satellites built with instrumentation from ESA's Cluster program, into a highly elliptical orbit.
- Outcome
- Success
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 350 kg
- Flight
- 1st
- of 2 Long March 2C/SM flights
- Date and time
- 29 December 2003, 19:06 UTC
- Rocket
- Long March 2C/SM
- Builder
- CASC
- Launch site
- Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
- Payload
- Earth Science
- International designator
- 2003-061
- Launches in 2003
- 63rd of 63
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