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17, October 2007 ISO/TC20/SC14/WG3 Akira Kato, Japan

Re-entry Risk Management for unmanned spacecraft and launch vehicle orbital stages ISO/TC20/SC14 (WD27875). 17, October 2007 ISO/TC20/SC14/WG3 Akira Kato, Japan. History since last meeting. 2007.06.08: Comments from DE, FR and USA 2007.07.26: Comments from RU

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17, October 2007 ISO/TC20/SC14/WG3 Akira Kato, Japan

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  1. Re-entry Risk Management for unmanned spacecraft and launch vehicle orbital stagesISO/TC20/SC14 (WD27875) 17, October 2007 ISO/TC20/SC14/WG3 Akira Kato, Japan

  2. History since last meeting • 2007.06.08: Comments from DE, FR and USA • 2007.07.26: Comments from RU • 2007.08.10: PL send reply to USA. • 2007.08.13: PL send reply to RU. • 2007.08.13: Distribute reply to all comments and new ver.K. • 2007.08.17: Disribute above to ODCWG. • 2007.09.18: Comments from USA • 2007.09.19: PL send reply to USA • 2007.09.29: Coviner registered version (df) in KAVI. • 2007.10.02: Secretary send PL version (E)=(df) as editorial correction • 2007.10.04: PL send secretary request to change “editorial check version” with new version L (reflecting second coments from US, and editorial correction by JPN side. • 2007.10.10: Covenor deleat version (df) from KAVI. • 2007.10.11: Dr. Hedly Stokes distributr coments and ver.L to ODCWG. • 2007.10.12: PL send outline (this paper), comparison between J&K, K&L.

  3. Compensate Casualties on the ground Purpose of the Standard ISO Standards System Safety Risk Management International Treaty Launching Country Commercial Company (manufacturers, operators, and customers) Laws, Regulation to assure safety If not, by Voluntary Activities Risk Management to Prevent Causalities Management Plan Safety Assessment of Risk Risk Reduction

  4. Re-entry risk management Safety Program Organization to perform safety functions Safety programme plan Safety activities Review System

  5. Assessment of risk caused by re-entering debris Estimation of Risk Probabity of Risk Realization Risk Senarion and Consequence of Effects Approved Analysis tool and data for survivability determination Casualty limit Imposed by Government or self-restriction Assessment flow

  6. START: Survivability Analysis Complete Demise completely demised or survived? Survive Risk on Human : Threshold > threshold < threshold Effect on the Earth Environment : Threshold >threshold Is the risk reduction possible by design change? <threshold possible Impossible Controlled Re-entry Design Change Disposal by Natural Decay or Reduction of Orbital Lifetime (uncontrolled re-entry) Risk Assessment Flow and Disposal Planning

  7. Risk reduction measures Option for Risk Reduction Notification Controlled re-entry Structural design to reduce survivability

  8. Compliance matrix between the main contents of this STD and that of Annex A

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