Accurate landmark tracking for navigating hayabusa prior to final descent

Ken'ichi Shirakawa, Hideo Morita, Masashi Uo, Tatsuaki Hashimoto, Takashi Kubota, Jun'ichiro Kawaguchi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

What Hayabusa demonstrated was, first of all, a pin-point landing whose size is just 20 to 30 meters in radius. This required an extraordinary accurate orbit estimation during the descent, since just one centimeter per sec dispersion may have resulted in 36 meters in one hour. And the flight needed almost Worms' speed control and management. What contributed to this was in the landmark tracking navigation. Conventional landmark tracking took a lot of time. But the Hayabusa project team developed a new tool that combines human's assist with the computer aided terminal display. A real-time landmark navigation did contribute to the successful precise navigation to the specified area on the surface. This paper presents the essence of it.

Original languageEnglish
Title of host publicationSpaceflight Mechanics 2006 - Proceedings of the AAS/AIAA Space Flight Mechnaics Meeting
Pages1817-1825
Number of pages9
Publication statusPublished - 2006
Externally publishedYes
EventSpaceflight Mechanics 2006 - AAS/AIAA Space Flight Mechnaics Meeting - Tampa, FL, United States
Duration: 2006 Jan 222006 Jan 26

Publication series

NameAdvances in the Astronautical Sciences
Volume124 II
ISSN (Print)0065-3438

Conference

ConferenceSpaceflight Mechanics 2006 - AAS/AIAA Space Flight Mechnaics Meeting
Country/TerritoryUnited States
CityTampa, FL
Period06/1/2206/1/26

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

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