Meteor Shower Forecasting in Near-Earth Space

被引：18

作者：

Moorhead, Althea, V ^{[1
]}

Egal, Auriane ^{[2
]}

Brown, Peter G. ^{[2
,3
]}

Moser, Danielle E. ^{[4
]}

Cooke, William J. ^{[5
]}

机构：

[1] NASA, Marshall Space Flight Ctr, Planetary Studies, NASA Meteoroid Environm Off,MSFC EV44, Huntsville, AL 35812 USA

[2] Univ Western Ontario, Dept Phys & Astron, London, ON N6A 3K7, Canada

[3] Univ Western Ontario, Canada Ctr Planetary Sci & Explorat, London, ON N6A 5B8, Canada

[4] NASA Meteoroid Environm Off, Jacobs Space Explorat Grp, Jacobs, MSFC EV44, Huntsville, AL 35812 USA

[5] NASA, Marshall Space Flight Ctr EV44, NASA Meteoroid Environm Off, MSFC EV44, Huntsville, AL 35812 USA

来源：

JOURNAL OF SPACECRAFT AND ROCKETS | 2019年 / 56卷 / 05期

基金：

加拿大自然科学与工程研究理事会;

关键词：

STREAM ACTIVITY; ORBIT-RADAR; MODEL;

D O I：

10.2514/1.A34416

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

NASA's Meteoroid Environment Office produces an annual meteor shower forecast in order to help spacecraft operators assess the risk posed by meteoroid streams. Previously, this forecast focused on the International Space Station and therefore reported meteoroid fluxes and enhancement factors at an orbital altitude of 400 km. This paper presents an updated forecast algorithm that has an improved calculation of the flux enhancement produced by showers and can calculate fluxes at any selected Earth or lunar orbital altitude. Finally, forecasted fluxes for the 2018 Draconid meteor shower, which is expected to produce meteoroid flux enhancements near the Sun-Earth L1 and L2 Lagrange points but not at Earth, are discussed and generated.

引用

页码：1531 / 1545

页数：15

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