Tianwen-2
Tianwen-2 is China's asteroid sample-return and comet exploration mission. Launched on May 29, 2025 aboard Chang Zheng 3B Y110, it is designed to investigate and sample near-Earth asteroid 2016 HO3 before continuing to the main-belt comet 311P.
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Identity
- Aliases
- Tianwen 2天问二号Tianwen-2 Asteroid Sample Return Mission
- Name
- Tianwen-2
- Status
- active
Details
- Astronauts
- -
- Description
- Tianwen-2 is China's asteroid sample-return and comet exploration mission. Launched on May 29, 2025 aboard Chang Zheng 3B Y110, it is designed to investigate and sample near-Earth asteroid 2016 HO3 before continuing to the main-belt comet 311P.
- Destination
- Near-Earth asteroid 2016 HO3 and main-belt comet 311P
- Outcome
- Successful and ongoing. Tianwen-2 launched on 29 May 2025 and, in early July 2026, successfully reached near-Earth asteroid 2016 HO3 and began scientific exploration from approximately 20 km away. The mission is designed to investigate and sample 2016 HO3 for return to Earth before continuing to main-belt comet 311P for further scientific exploration.
- Programs
- Start Date
- 2025-05-29
- Vehicle Families
Links
Assets & Meta
- Creation Time
- August 14, 2026 at 09:41:53 UTC
- Updated Time
- September 8, 2026 at 08:31:45 UTC
Other
- Affiliations
- Space Stations
- -
- Vehicles
- -