description 139 Juewa Overview
139 Juewa is a main-belt asteroid discovered by James Craig Watson in 1874 from Beijing, making it the first asteroid discovered from Chinese soil. Its name is derived from a Chinese term associated with good fortune. The object is classified as a dark C-type asteroid, a category generally associated with carbon-rich and relatively low-reflectivity surfaces. It is relevant to the history of astronomy, asteroid classification, and international observing sites.
help 139 Juewa FAQ
When was 139 Juewa discovered?
139 Juewa was discovered by James Craig Watson in 1874 from Beijing. It is notable as the first asteroid discovered from Chinese soil.
What does the name Juewa mean?
The name is derived from a Chinese term associated with good fortune. That naming reflects the circumstances and cultural setting of its discovery in China.
What type of asteroid is 139 Juewa?
139 Juewa is classified as a dark C-type asteroid. C-type asteroids are generally associated with carbon-rich, relatively dark material.
Where is 139 Juewa located?
It is a main-belt asteroid orbiting the Sun between Mars and Jupiter. Its scientific interest comes from both its C-type classification and its discovery history.
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