Estimation of orbital parameters of broken-up objects from in-situ debris measurements |
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Authors: | Yutaka Kodama Masahiro Furumoto Yasuhiro Yoshimura Koki Fujita Toshiya Hanada |
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Institution: | 1. Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan;2. Nippon Bunri University, 1727 Ichigi, Oita-shi, Oita 870-0397, Japan |
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Abstract: | Even sub-millimeter-size debris could cause a fatal damage on a spacecraft. Such tiny debris cannot be followed up or tracked from the ground. Therefore, Kyushu University has initiated IDEA the project for In-situ Debris Environmental Awareness, which conducts in-situ measurements of sub-millimeter-size debris. One of the objectives is to estimate the location of on-orbit satellite fragmentations from in-situ measurements. The previous studies revealed that it is important to find out the right nodal precession rate to estimate the orbital parameters of a broken-up object properly. Therefore, this study derives a constraint equation that applies to the nodal precession rate of the broken-up object. This study also establishes an effective procedure to estimate properly the orbital parameters of a broken-up object with the constraint equation. |
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Keywords: | Space debris In-situ measurements Orbit estimation |
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