1. 1) Kuwahara, T., Fujita, S., Sato, Y., Shibuya, Y., Pala, A., Kamachi, K., and Okajima, L.: ALE Satellite Project, proceeding of 62nd Space Sciences and Technology Conference, Kurume, Japan, 2018 (in Japanese).
2. 2) Okajima, L., Sahara, H., Watanabe, T., and Abe, S.: Bridging Science and Entertainment with Shooting Stars on Demand, 68th International Astronautical Congress, Adelaide, Australia, IAC-17, E6,IP,1,x40874, 2017.
3. 3) Kamachi, K., Shibuya, Y., Oikawa, Y., Yamada, S., Imura, S., Arisaka, I., Takao, T., Okajima, L., Kuwahara, T., Fujita, S., and Sato, Y.: Mission Planning for Artificial Shooting Stars and Risk Assessment, Proceedings of the 62nd Space Science and Technology Conference, Kurume, 2018 (in Japanese).
4. 4) Innovative Satellite Technology Demonstration Program, http://www.kenkai.jaxa.jp/eng/research/innovative/innovative.html (accessed April 4, 2019).
5. 5) Mogi, T., Kuwahara, T., and Uto, H.: Structural Design of De-orbit Mechanism Demonstration CubeSat FREEDOM, Trans. JSASS, Aerospace Technology Japan, 14, ists30 (2016), pp. Pf_61–Pf_68.