Proceedings of the International Astronautical Congress, IAC 2023-October Oct 2023
A 6U CubeSat “OMOTENASHI” was developed to be the world's smallest moon lander. It was launched by NASA's SLS Artemis-1 on November 16, 2022. However, because of the spacecraft anomaly, the battery was depleted and the communication with the space...
Proceedings of the International Astronautical Congress, IAC 2023-October Oct 2023
This paper presents a collaborative effort between NASA and JAXA to make 3-way Doppler data from JAXA tracking stations available to the Artemis 1 navigation team to improve orbit determination. The paper describes the system configuration and con...
Science (New York, N.Y.) 379(6634) eabo0431 Feb 2023 [Refereed]
The near-Earth carbonaceous asteroid (162173) Ryugu is expected to contain volatile chemical species that could provide information on the origin of Earth's volatiles. Samples of Ryugu were retrieved by the Hayabusa2 spacecraft. We measured noble ...
Radio wave propagation and diffraction in relativistic pulsar windsJapan Society for the Promotion of Science: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)Terasawa Toshio ASANO Katsuaki SEKIDO Mamoru TAKEFUJI Kazuhiro TAKEUCHI Hiroshi KAMEYA Osamu MISAWA Hiroaki SHIBATA Shimpei TANAKA Yasuyuki MIKAMI Ryo KISAKA Shota TANAKA Shuta