Craters Naonobu Origin of the name Ajima; Japanese mathematician (c. 1732-1798). When to observe it … Nearby Atwood 36 km Bilharz 59 km Acosta 73 km Dorsa Andrusov 102 km Webb 129 km Luna 16 Lander 136 km Lindbergh 153 km Dorsa Geikie 155 km