Lat: 20.0°N, Long: 31.5°W, Length: 12 km, Depth: km, Rükl: 19
Rima Wan-Yu appears to be a kind of ramp connecting the mare levels to the north and south of Natasha.
Chinese female name.
Number 100 in Debra Hurwitz's Atlas and Catalog of Sinuous Rilles.
- According to NASA RP-1097, "Rima Wan-Yu" is a Minor Feature whose name was originally intended only for use in connection with Topophotomap 39C2/S1(on which it is plotted).
APOLLO OVER THE MOON; A VIEW FROM ORBIT, Chapter 4: The Maria (Part 3), Figure 93 (small part of Rima Wan-Yu near left borderline of photograph).