䝕䝤䝸⾪✺ゎᯒ䛻䛴䛔䛶 䝕䝤䝸⾪✺ゎᯒ䛻䛴䛔䛶

ۑἙᮏ⪽⨾ࠊᮾฟ┿⃈㸦JAXA◊✲㛤Ⓨᮏ㒊ᮍ㋃ᢏ⾡◊✲ࢭࣥࢱ࣮㸧

㏆ᖺ䝕䝤䝸䛾ቑຍ䛻䜘䜚䚸䝕䝤䝸⾪✺䛻䜘䜛Ᏹᐂᶵ䛾ᦆയ䝸䝇䜽䛿䛩䛷䛻↓ど䛷䛝䛺䛔䝺䝧䝹䛻㐩䛧䛶䛔䜛䚹JAXA

◊✲㛤Ⓨᮏ㒊ᮍ㋃ᢏ⾡◊✲䝉䞁䝍䞊䛷䛿䚸䝕䝤䝸䝰䝕䝹䞉ゎᯒ◊✲䛾୍䛴䛸䛧䛶䚸Ᏹᐂᶵ䛾ᙧ≧䚸ጼໃ䜒⪃៖䛧䛶

ྛ㒊఩䜈䛾⾪✺⋡䚸ᦆയⓎ⏕☜⋡䜢ホ౯䛩䜛䛯䜑䛾䛂䝕䝤䝸⾪✺ᦆയゎᯒ䝒䞊䝹䛃䠄ᅗ䠅䜢㛤Ⓨ䛧䚸JAXA䝥䝻䝆䜵䜽 䝖䛻ᥦ౪䚸ᨭ᥼䛧䛶䛔䜛䚹ᮏ䝒䞊䝹䛿䚸Ᏹᐂᶵ䛾㛤Ⓨ᫬䛻䝕䝤䝸⾪✺ᦆയⓎ⏕☜⋡䜢⪃៖䛧䛶⾨ᫍᵓ㐀䜔㔜せᶵჾ 䛾㓄⨨䜢᳨ウ䛧䛯䜚䚸ὶᫍ⩌㏻㐣᫬䛺䛹䛾ᦆയ䝸䝇䜽䜢పῶ䛩䜛䛯䜑䛾Ᏹᐂᶵ䛾ጼໃኚ᭦䛻䛴䛔䛶᳨ウ䛩䜛䛣䛸䛜 䛷䛝䜛䚹䜎䛯䚸䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽䛾㐺ྜ䜢ᨭ᥼䛩䜛䛯䜑䛾䛂䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒䞊䝹䛃䛿䝕䝤䝸⾪✺☜⋡䛾

⡆᫆ゎᯒ䛾௚䚸Ᏹᐂᶵ䛾㌶㐨ୖᑑ࿨䜔ᆅୖⴠୗ⁐⼥ゎᯒ䛾⡆᫆ホ౯➼䛜ྍ⬟䛺䝒䞊䝹䛷䛒䜚䚸JAXA䝥䝻䝆䜵䜽䝖 䛾௚䚸JAXAእ㒊䛻䜒ᥦ౪䛥䜜䛶䛔䜛䚹ᮏㅮ₇䛷䛿䛣䜜䜙䝒䞊䝹䛻䛴䛔䛶⤂௓䛩䜛䚹

䝕䝤䝸⾪✺ゎᯒ䛻䛴䛔䛶 䝕䝤䝸⾪✺ゎᯒ䛻䛴䛔䛶

䕿Ἑᮏ⪽⨾䚸ᮾฟ┿⃈

䠄 JAXA ◊✲㛤Ⓨᮏ㒊ᮍ㋃ᢏ⾡◊✲䝉䞁䝍 䠅 䠄 JAXA ◊✲㛤Ⓨᮏ㒊ᮍ㋃ᢏ⾡◊✲䝉䞁䝍䞊䠅

➨䠐ᅇ䝇䝨䞊䝇䝕䝤䝸䝽䞊䜽䝅䝵䝑䝥 2010.12.17

⫼ᬒ

⫼ᬒ

‹

䝕䝤䝸⾪✺䛻䜘䜛ᦆയ䝸䝇䜽

2010ᖺ12᭶⌧ᅾ⣙16000ಶ

‹

䝕䝤䝸⾪✺䛻䜘䜛ᦆയ䝸䝇䜽 䛿䚸≉䛻ప㌶㐨䛷䛿䛩䛷䛻

↓ど䛷䛝䛺䛔䝺䝧䝹䛻㐩䛧䛶

䛔䜛

䛔䜛

‹

1mm௨ୗ䛾䝕䝤䝸䛷䜒䚸ሙᡤ

䛻䜘䛳䛶䛿䝭䝑䝅䝵䞁䛻ᙳ㡪䜢 ཬ䜌䛩

䝻䜿䝑䝖ୖẁᶵయ

⾨ᫍ

⇿Ⓨ◚∦㢮

ศ㞳ᨺฟ㒊ရ㢮

ཬ䜌䛩

‹

㜵ᚚタィ䛜ᚲせ

M1990 O 1990

1 100

2/year)

M1992 M1994 M1996 M1998 M2000 M2002 M2003 M2004

O 1992 O 1994 O 1996 O 1998 O 2000 O 2002 O 2003 O 2004

ORDEM

0.0001 0.01

debris flux(/m2 M2004

M2005 M2006 M2007 M2008 M2010 M2012

O 2004 O 2005 O 2006 O 2007 O 2008 O 2010 O 2012

MASTER

1e-006

1e-005 0.0001 0.001 0.01 0.1 1 10

size (m)

MASTER

3

䝕䝤䝸⾪✺䛜୚䛘䜛⿕ᐖ䛸⾪✺㢖ᗘ

䠄⿵㊊䠅

䝕䝤䝸⾪✺䛜୚䛘䜛⿕ᐖ䛸⾪✺㢖ᗘ

⾲ ⾪✺䝕䝤䝸䝃䜲䝈䛸⾪✺⿕ᐖ

⾪✺䝕䝤䝸ᑍἲ 0.1 mm 0.1䡚1䟛 1䡚10䟛 > 10䟛

⾨ᫍ䛾⿕䜛⿕ᐖ ኴ㝧㟁ụ䝉䝹 䛾ᦆയ➼

䝭䝑䝅䝵䞁⬟ຊ䛾 㒊ศⓗ႙ኻ

⮴࿨ⓗ䛺ᦆയ

䠄඲ቯ䠅 ᏶඲䛺䜛◚ቯ 䛾ᦆയ➼ 㒊ศⓗ႙ኻ 䠄඲ቯ䠅

⾪✺㢖ᗘ䠄㧗ᗘ700km䚸 20m²䛷10ᖺᑑ࿨䛾ప㌶㐨

⾨ᫍ䠅

25680 ಶ 1.9 ಶ 0.015 ಶ 0.0012 ಶ

⿕ᐖ䛾⛬ᗘ ㈏㏻㝈⏺䝕䝤䝸ᚄ Ⓨ⏕㢖ᗘ䠄㧗ᗘ700km䛸௬ᐃ䛧䛯ሙ

ྜ䠅

䜸 䝡䝍 ❆䜺 ஺᥮ ከᩘ

⾲ 䝅䝱䝖䝹䝭䝑䝅䝵䞁㛵ಀ䛾ᦆയ㝈⏺䝕䝤䝸䝃䜲䝈

䜸䞊䝡䝍䞊䛾❆䜺䝷䝇䛾஺᥮

Ᏹᐂ᭹䛾㈏㏻

䜸䞊䝡䝍䞊䛾ᨺ⇕䝟䜲䝥䛾㈏㏻

䜸䞊䝡䝍䞊䛾⩼䛾䝸䞊䝕䜱䞁䜾䜶䝑䝆䛾㈏㏻

䠌.䠌䠐mm 䠌.䠍mm 䠌.䠑mm 䠍 䠌mm

ከᩘ

0.015 ಶ䠋᫬㛫䠋m² 0.0032 ಶ䠋㐌㛫䠋m² 0 00018^{ಶ䠋㐌㛫䠋}m² 䜸 䝡䝍 䛾⩼䛾䝸 䝕䜱䞁䜾䜶䝑䝆䛾㈏㏻

䜸䞊䝡䝍䞊䛾⇕ಖㆤ䝅䝇䝔䝮䝍䜲䝹䛾㈏㏻

䜸䞊䝡䝍䞊䛾ᦚ஌ဨ䜻䝱䝡䞁䜈䛾㈏㏻

䝨䜲䝻䞊䝗䝧䜲䛾ᦆയ

䠍.䠌mm 䠏䡚䠑mm 䠑.䠌mm 䠍䡚䠍䠌mm

0.00018 ^{ಶ䠋㐌㛫䠋}m 0.000012 ^{ಶ䠋㐌㛫䠋}m² 0.0000046 ^{ಶ䠋㐌㛫䠋}m² 0.00018 ^{ಶ䠋㐌㛫䠋}m²

3 ฟ඾䠖Space Shuttle Program Pre-Flight Meteoroid/Orbital Debris Risk and Post-Flight Damage

Assessments, George M Levin, NASA, Feb. 1997

䝸 䜽⟶⌮ 䝖䝸䜽 䛻䜘䜛ప㌶㐨⾪✺䝸 䜽ホ౯ 䝸䝇䜽⟶⌮䝬䝖䝸䜽䝇䛻䜘䜛ప㌶㐨⾪✺䝸䝇䜽ホ౯

⾪✺䛾ᙳ㡪ᗘ

䠖ᑐ⟇せ 䠖ุ᩿せ 䠖┘ど

㍍ᚤ䠖 ᶵ⬟ຎ໬

ᒁᡤⓗ䠖 ᶵ⬟႙ኻ

㔜኱䠖

඲ቯ

◚ᒁⓗ䠖

⇿Ⓨⓗ◚ቯ

⾪✺

䠍௨ୖ 0.1mm⣭䝕䝤䝸

⾪✺э㜵ᚚタィ

➼䛷ᑐฎ

✺ 叏ྍ

⬟

䝕䝤䝸⾪✺䝸䝇䜽 ゎᯒ䛜୙ྍḞ 10^{-1 1mm⣭䝕䝤䝸⾪✺}

э㜵ᚚタィ➼䛷 ᑐฎ

ᛶ

咁ᅇ

ᩘ 䠋

10^{-2 1cm⣭䝕䝤䝸⾪✺э}

ほ ୙⬟䚸㜵ᚚ୙

⬟ 䠋

ᑑ

࿨ ᮇ 㛫

10^{-3 10cm⣭䝕䝤䝸⾪✺}

э᥋㏆┘ど䚸ᅇ㑊

᧯స 㛫

咊ᖺ 咂

4

᧯స ὀ䠖⾪✺䝸䝇䜽䠄⾪✺䛷⿕ᐖ䜢ཷ䛡䜛䛣䛸䛾䝸䝇䜽䠅䛿䚸䠄⾪✺䛾ྍ⬟ᛶ䠅㽢䠄⾪✺䛾ᙳ㡪ᗘ䠅䛷ホ౯䛥䜜䜛䚹

䛣䛣䛷䛿䚸20m²䛾኱ᆺ⾨ᫍ䛾䠄㔜኱䠅䛺⿕ᐖ䜢10^-3௨ୗᮍ‶䛻ᢚ䛘䜛䛣䛸䜢ᇶ‽䛻ホ౯䛧䛶䛔䜛䚹

5

ᚤᑠ䝕䝤䝸䛾⾪✺஦౛

ᚤᑠ䝕䝤䝸䛾⾪✺஦౛

• ISS

䜔䝇䝨䞊䝇䝅䝱䝖䝹䛾⾪✺⑞

䝇䝨 䝇䝅 䝖䝹䛾❆

䝇䝨䞊䝇䝅䝱䝖䝹❆䛾⾪✺⑞

HANDBOOK FOR LIMITING SFU䛷ぢ䛴䛛䛳䛯䝕䝤䝸⾪✺⑞

•

䝇䝨䞊䝇䝅䝱䝖䝹䛾❆

– 0.04mm௨ୖ䛾䝕䝤䝸⾪✺䛷஺᥮

– 1992~2000ᖺ䜎䛷䛾43䝣䝷䜲䝖䛷76ᯛ஺

᥮

HANDBOOKFORLIMITING ORBITALDEBRIS,NASAͲ HANDBOOK8719.14,2008

᥮䛭䛾䛖䛱䝕䝤䝸32䚸䝯䝔䜸䝻䜲䝗17䚸୙᫂

27

• HST

䛾䝕䝤䝸⾪✺⑞

– 1993ᖺ䛛䜙䛾ᭀ㟢䛷2.2㽢0.8m䛾䜶䝸䜰 䛻⣙20䚸᭱኱1cm䛾⾪✺⑞

– STSͲ61䛷ほ 䛥䜜䛯䝝䜲䝀䜲䞁䜰䞁䝔䝘 䛾1 9㽢1 7cm䛾⾪✺⑞

䝅䝱䝖䝹䛾 䝨䜲䝻䞊䝗䞉 䝧䜲䞉䝗䜰䛻

Ⓨぢ䛥䜜䛯 䝕䝤䝸⾪✺

⑞䚹኱䛝䛥⣙

䛾1.9㽢1.7cm䛾⾪✺⑞ 2 5

䝝䝑䝤䝹Ᏹᐂᮃ㐲㙾

2.5mm NASA

䝝䝑䝤䝹Ᏹᐂᮃ㐲㙾 䛾䜰䞁䝔䝘䛾⾪✺⑞

䠄Interagency Report on Orbital Debris )

јї䝝䝑䝤䝹Ᏹᐂᮃ㐲㙾䝷䝆 䜶䞊䝍䛾⾪✺⑞NASAODQN13Ͳ3

䝕䝤䝸 䝯䝔䜸 䜲䝗⾪✺ྍ⬟ᛶ䛾䛒䜛୙ලྜ౛

䝕䝤䝸䞉䝯䝔䜸䝻䜲䝗⾪✺ྍ⬟ᛶ䛾䛒䜛୙ලྜ౛

‹ ᚤᑠ䝕䝤䝸䞉䝯䝔䜸䝻䜲䝗⾪✺䛜ཎᅉ䛷䛒䜛ྍ⬟ᛶ䛾䛒䜛୙ලྜ౛

„ 2007.5 ḢẼ㇟⾨ᫍMeteosat-8

㌶㐨䛜✺↛ኚ໬䛧ᮾす᪉ྥ䛾఩⨨ไᚚ䝇䝷䝇䝍䛾1䛴䛜◚ᦆ

„ 2006.3 㟢㏻ಙ⾨ᫍExpress-AM11

✺↛እⓗ䛺ຊ䛜ຍ䜟䜚 ⇕ไᚚ䝅 䝮䛜ῶᅽ ෭༷ᾮ䛜ᄇฟ ⾨ᫍ ጼໃ䛜ኻ䜟䜜ᶵ⬟

✺↛እⓗ䛺ຊ䛜ຍ䜟䜚䚸⇕ไᚚ䝅䝇䝔䝮䛜ῶᅽ䚸෭༷ᾮ䛜ᄇฟ䚹⾨ᫍ䛾ጼໃ䛜ኻ䜟䜜ᶵ⬟୙

඲䛻

„ 2009.6 䛩䛦䛟ASTRO-E2

CCD䛻୙ලྜ䚹ᚤᑠ䝕䝤䝸䡡䝯䝔䜸䝻䜲䝗䛜⾪✺䛧䛯ྍ⬟ᛶ䛜䛒䜛 CCD䛻୙ලྜ䚹ᚤᑠ䝕䝤䝸 䝯䝔䜸䝻䜲䝗䛜⾪✺䛧䛯ྍ⬟ᛶ䛜䛒䜛

„ 2003.10 䜏䛹䜚2 ADEOS-II

ኴ㝧㟁ụ䝟䝗䝹䛾䝝䞊䝛䝇◚᩿䛻䜘䜚㐠⏝䜢ᗫᲠ䚹ᚤ⢏Ꮚ⾪✺㉳※䛾ᬯ㟁ὶ䛻䜘䜚ᅇ㊰䛜ᨾ 㞀䛧䛯ྍ⬟ᛶ䛜䛒䜛

„ 1994.9 MSTI-2

㏻ಙ㏵⤯䚹䝽䜲䝲䞊䛻䝕䝤䝸䛜⾪✺䛧䚸䝅䝵䞊䝖䛧䛯䛾䛷䛿䛺䛔䛛䛸᥎ 䛥䜜䛶䛔䜛

„ 1993.8 Ḣ㏻ಙᐇ㦂⾨ᫍOlympus

䝨䝹䝉䜴䝇ὶᫍ⩌ᴟ኱ᮇ䛻ጼໃไᚚ⣔䛜ᨾ㞀䛧䛶㐠⏝䜢ᗫᲠ 䝨䝹䝉䜴䝇ὶᫍ⩌ᴟ኱ᮇ䛻ጼໃไᚚ⣔䛜ᨾ㞀䛧䛶㐠⏝䜢ᗫᲠ

‹ 䛭䛾௚

„ 䝕䝤䝸䛾㌶㐨࿘ᮇ䛜ኚ໬䛧䛶⇿Ⓨ䚸◚∦䜢ᨺฟ䛺䛹䝕䝤䝸⾪✺䛜␲䜟䜜䜛஦౛䛿㏆ᖺᛴ ቑ୰

ቑ୰

7

䝕䝤䝸⎔ቃ䝰䝕䝹䛻䛴䛔䛶 䝕䝤䝸⎔ቃ䝰䝕䝹䛻䛴䛔䛶

‹ ESA

䛚䜘䜃

䛾䝕䝤䝸䝰䝕䝹䛜౑

10000

M1990 M1992 M1994

O 1990 O 1992 O 1994

ORDEM

‹ ESA

䛚䜘䜃

䛾䝕䝤䝸䝰䝕䝹䛜౑

⏝ྍ⬟

‹ ESA

䛾䝕䝤䝸䝰䝕䝹

1 100

x(/m2/year)

M1996 M1998 M2000 M2002 M2003 M2004 M2005 M2006

O 1996 O 1998 O 2000 O 2002 O 2003 O 2004 O 2005 O 2006

ORDEM

„ ⾪✺㏿ᗘ䚸᪉ྥ䚸䝕䝤䝸✀㢮䛺䛹䛾ヲ⣽

䛺䝕䞊䝍䜢ฟຊ䛷䛝䜛䛜䚸2005ᖺ5᭶1᪥ ௨㝆䛾1mm௨ୗ䛾ゎᯒ䛿䛷䛝䛺䛔

„ ㏆䛟MASTER2009䛜බ㛤ணᐃ

0.0001 0.01

debris flux M2006

M2007 M2008 M2010 M2012

O 2006 O 2007 O 2008 O 2010 O 2012

MASTER

„ ㏆䛟MASTER2009䛜බ㛤ணᐃ

‹ NASA

䛾䝕䝤䝸䝰䝕䝹

„ 2005ᖺ௨㝆䛷䜒1mm௨ୗ䛾ゎᯒ䛜䛷䛝 䜛䛜䚸ヲ⣽᝟ሗ䛜ฟຊ䛷䛝䛺䛔

1e-006

1e-005 0.0001 0.001 0.01 0.1 1 10

size (m) 10000

sphere

䜛䛜䚸ヲ⣽᝟ሗ䛜ฟຊ䛷䛝䛺䛔

„ ᮶ᖺ᫓㡭䛻䛿ORDEM2010䛜බ㛤ணᐃ

‹ ORDEM2000

䛾ᩘⓒ

䡚ᩘ

䛾䝣䝷

䝑䜽䝇䛿

䛻ẚ䜉኱䛝䛔

1000

m^2/yr]

p inertial 0, 0 deg inertial 90, 0 deg inertial 180, 0 deg inertial -90, 0 deg inertial 0, 90 deg inertial 0, -90 deg

䝑䜽 䛿 ẚ ኱䛝

„ ⎔ቃᶆ‽䛷䛿᭱኱䝣䝷䝑䜽䝇䜢ฟຊ䛩䜛 䝰䝕䝹䜢౑䛖䛣䛸䜢᥎ዡ

‹

⾪✺䛷䜒ゅᗘ䚸㏿ᗘ䛜␗䛺䜛䛯䜑䚸୍ᚊ 䛻⾪✺㢖ᗘ䛰䛡䛷ホ౯䛿䛷䛝䛺䛔

0.1 1 10

object flux [1/m

䛻⾪✺㢖ᗘ䛰䛡䛷ホ౯䛿䛷䛝䛺䛔

0.001 0.01

0 5 10 15 20 25 30 35 40

impact velocity [km/s]

䝕䝤䝸⾪✺ゅᗘ䚸㏿ᗘ䠄MASTER2005䠅

䝕䝤䝸⾪✺ᦆയ䝸䝇䜽ゎᯒ 䝕䝤䝸⾪✺ᦆയ䝸䝇䜽ゎᯒ

ⶸ ゅ

‹ Ᏹᐂᶵᙧ≧䚸㞃ⶸ䚸⾪✺ゅᗘ 䞉㏿ᗘ➼䜢⪃៖䛧䛯䛂䝕䝤䝸⾪

✺ᦆയ䝸䝇䜽ゎᯒ䝒䞊䝹 䠄TURANDOT T ti l Utiliti 䠄TURANDOT, Tactical Utilitiy for Rapid ANalysis of Debris on Orbit Terrestrial䠅䛃䜢㛤Ⓨ

㞃ⶸ ㏿ᗘ ゅᗘ䜢⪃៖䛧䛺

‹ 㞃ⶸ䚸㏿ᗘ䞉ゅᗘ䜢⪃៖䛧䛺 䛔䝕䝤䝸䝣䝷䝑䜽䝇䛾䜏䛷䛾ホ ౯䛿㐣኱ホ౯䛾ᜍ䜜

Ḣ⡿䛿䝕䝤䝸㜵ᚚタィ Ᏹᐂ

䝇䝨䞊䝇䝅䝱䝖䝹䛿䝕䝤䝸⾪✺䛻䜘䜛ᦆയ䝸䝇䜽䜢⪃៖䛧䛶 㣕⾜ጼໃ䜢ኚ᭦

‹ Ḣ⡿䛿䝕䝤䝸㜵ᚚタィ䚸Ᏹᐂ ᶵ䛾ጼໃኚ᭦䛺䛹䝕䝤䝸㜵ᚚ 㐠⏝䜢䛩䛷䛻ᐇ᪋䛧䛶䛔䜛䛜

ゎᯒ䝒 䝹䛿㠀බ㛤 䚸ゎᯒ䝒䞊䝹䛿㠀බ㛤

BUMPER-II䛻䜘䜛ゎᯒ౛䠄NASA)

9

ᦆയゎᯒ䝒 䝹䛾౑⏝౛

ᦆയゎᯒ䝒䞊䝹䛾౑⏝౛

‹ Ᏹᐂᶵ䛾㛤Ⓨ᫬䛻 䝕䝤䝸⾪✺ᦆയホ౯䜢ᐇ᪋䛧䛶ᵓ㐀䜔㓄⨨䜢

‹ Ᏹᐂᶵ䛾㛤Ⓨ᫬䛻䚸䝕䝤䝸⾪✺ᦆയホ౯䜢ᐇ᪋䛧䛶ᵓ㐀䜔㓄⨨䜢

᳨ウ䛩䜛

„

ᦆയⓎ⏕☜⋡䜢䜘䜚ṇ☜䛻ホ౯䛷䛝䜛

„

䜽䝸䝔䜱䜹䝹ᶵჾ䛾㓄⨨䚸㜵ᚚᵓ㐀䛺䛹䛾䝕䝤䝸㜵ᚚᑐ⟇䛾᭷ຠᛶ䛻 䛴䛔䛶䚸㔜㔞䝁䝇䝖➼䛸ẚ㍑䛧䛴䛴ᐃ㔞ⓗ䛺ホ౯䛜䛷䛝䜛

‹ 㐠⏝䜢㛤ጞ䛧䛯ᚋ䛻䚸ᦆയ䝸䝇䜽䜢పῶ䛩䜛䛯䜑䛾Ᏹᐂᶵ䛾ጼໃኚ

‹ 㐠⏝䜢㛤ጞ䛧䛯ᚋ䛻䚸ᦆയ䝸䝇䜽䜢పῶ䛩䜛䛯䜑䛾Ᏹᐂᶵ䛾ጼໃኚ

᭦䛻䛴䛔䛶᳨ウ䛩䜛

„

䝇䝨䞊䝇䝅䝱䝖䝹䛿ྠ➼䝒䞊䝹䜢౑⏝䛧䛶䝕䝤䝸ᦆയ☜⋡䛾ప䛔ጼໃ 䛻ኚ᭦ 䝝䝑䝤䝹Ᏹᐂᮃ㐲㙾䛿ὶᫍ⩌㏻㐣᫬䛻ጼໃ䜢ኚ᭦

䛻ኚ᭦䚹䝝䝑䝤䝹Ᏹᐂᮃ㐲㙾䛿ὶᫍ⩌㏻㐣᫬䛻ጼໃ䜢ኚ᭦

‹ Ᏹᐂᶵ୙ලྜ䛻䚸ᦆയ☜⋡䛜䛹䛾䛟䜙䛔䛒䛳䛯䛛஦ᚋゎᯒ䛧䚸ཎᅉ

✲᫂䛻ᙺ❧䛶䜛

ゎᯒ䝒 䝹䛾ὶ䜜 ゎᯒ䝒䞊䝹䛾ὶ䜜

1 ୕ḟඖ䝰䝕䝹ᵓ⠏ 䛒䜛䛔䛿 1 ࣔࢹ step 7 ㌶㐨 1. ୕ḟඖ䝰䝕䝹ᵓ⠏ 䛒䜛䛔䛿

2. STEPᙧᘧ䝣䜯䜲䝹䛾䜲䞁䝫䞊䝖

3. ᦆയ䝰䞊䝗䚸ᙎ㐨᪉⛬ᘧ䛾タᐃ

᪤Ꮡ䛾ᙎ㐨᪉⛬ᘧ䜢ㄞ㎸䛒䜛䛔䛿᪂つ

2.ㄞ㎸

step 㺪㺅㺐㺷

7.㌶㐨 タᐃ 1.ࣔࢹ

ࣝᙧ≧

ᵓ⠏

„ ᪤Ꮡ䛾ᙎ㐨᪉⛬ᘧ䜢ㄞ㎸䛒䜛䛔䛿᪂つ ㌶㐨 タᐃ䛜ྍ⬟

4. ⾲㠃⣲ᮦ≉ᛶධຊ

„ Ᏹᐂᶵྛ㒊఩䛻ᦆയ䝰䞊䝗䛾㛵㐃௜䛡

8.ࢹ࿧ฟ

㌶㐨 Ᏹᐂᶵᙧ ᝟ሗ

≧㺱㺡㺼㺷

4 ⾲㠃⣲ᮦ ᦆയ

3.ᙎ㐨᪉

⛬ᘧタᐃ

„ Ᏹᐂᶵྛ㒊఩䛻ᦆയ䝰 䝗䛾㛵㐃௜䛡

5. ⾲㠃ศ๭

6. ጼໃ䞉ᣦྥᛶタᐃ䠄ᆅ⌫ᣦྥ䚸័ᛶᣦ

ྥ ኴ㝧ᣦྥ䛛䜙㑅ᢥ䠅

6.ጼໃ࣭ᣦ

ྥᛶタᐃ

ࢹࣈࣜ⎔ቃ

ࣔࢹࣝ

5.⾲㠃ศ๭

4.⾲㠃⣲ᮦ

≉ᛶධຊ 㺱㺎㺢㺼

ྥ䚸ኴ㝧ᣦྥ䛛䜙㑅ᢥ䠅

7. ㌶㐨䞉᫬ᮇタᐃ

8. MASTER2005 ᐇ⾜䚸CPE 䝕䞊䝍䜢ฟ ຊ

ྥᛶタᐃ

CPE 㺰㺍㺚㺋 ࢹ࣮ࢱ

㺱㺡㺼㺷

ጼໃ

᝟ሗ

ຊ

9. ᦆയゎᯒ䠄CPE䝕䞊䝍䜢ゎᯒ䛧䚸ྛ䝯䝑 䝅䝳䜈䛾⾪✺㢖ᗘ䚸ᦆയⓎ⏕☜⋡䜢䚸

9.ᦆയゎᯒ

௚䛾㒊఩䛻䜘䜛㞃ⶸ䜒⪃៖䛧䛺䛜䜙✚

ศ䠅

⤖ᯝ

11

䝰䝕䝹ᵓ⠏䛚䜘䜃䝟䝷䝯 䝍タᐃ 䝰䝕䝹ᵓ⠏䛚䜘䜃䝟䝷䝯䞊䝍タᐃ

‹

Ᏹᐂᶵᙧ≧䝰䝕䝹ᵓ⠏

‹

Ᏹᐂᶵᙧ≧䝰䝕䝹ᵓ⠏

„

GUI䛷䝰䝕䝹䜢ᵓ⠏䛒䜛 䛔䛿STEPᙧᘧ䛷ㄞ䜏㎸

䛔䛿STEPᙧᘧ䛷ㄞ䜏㎸

䜏

‹

ṇゅ㗽/ᰕ䚸┤᪉య䚸⌫䚸 ゅ㗽 ᰕ䚸┤᪉య䚸⌫䚸 䝟䝑䝏䛾సᡂ䛜ྍ⬟

‹

సᡂᚋ䝰䝕䝹䛾㠀ṇゅ

㗹/ᰕ 䛾ಟṇ䜒ྍ⬟

㗹/ᰕ䜈䛾ಟṇ䜒ྍ⬟

‹

㌶㐨䚸ጼໃ䚸䜶䝫䝑䜽䚸䝕 䝤䝸䝰䝕䝹➼䛾ゎᯒ䝟䝷䝯

Ᏹᐂᶵᙧ≧䝰䝕䝹ᵓ⠏౛

䝤䝸䝰䝕䝹➼䛾ゎᯒ䝟䝷䝯 䞊䝍䜢タᐃ

„

䝕䝤䝸䝰䝕䝹䛾㑅ᢥ ⿵

„

䝕䝤䝸䝰䝕䝹䛾㑅ᢥ䚸⿵

ṇ䛾タᐃ䛜ྍ⬟

㌶㐨タᐃ⏬㠃

ᦆയⓎ⏕䛾ุᐃ ᦆയⓎ⏕䛾ุᐃ

‹

䝕䝤䝸⾪✺ᦆയ䛿䛒䜛ᦆ യ䝰䞊䝗䜢ᘬ䛝㉳䛣䛩䝕䝤 䝸䛾䝃䜲䝈䜢⾲䛩ᘧ䠄ᙎ㐨 䝸䛾䝃䜲䝈䜢⾲䛩ᘧ䠄ᙎ㐨 ᪉⛬ᘧ䠅䛷ุᐃ䛥䜜䜛

„ 䝕䝤䝸ᐦᗘ ㏿ᗘ ⾪✺

„ 䝕䝤䝸ᐦᗘ䚸㏿ᗘ䚸⾪✺

ゅᗘ䚸䛚䜘䜃Ᏹᐂᶵᮦᩱ

≉ᛶ್䛾㛵ᩘ

„ ᦆയ䝰䞊䝗䛸䛿䚸ᵓ㐀䛾

㈏㏻/㠀㈏㏻䚸䝝䞊䝛䝇ษ

᩿ ῝䛥p[mm]௨ୖ䛾䜽䝺

᩿䚸῝䛥p[mm]௨ୖ䛾䜽䝺 䞊䝍䞊䛾Ⓨ⏕䚸䛺䛹

Whipple bumper䛾ᙎ㐨᪉⛬ᘧ

ᅜ㝿ᶵ㛵㛫䝕䝤䝸ㄪᩚ఍㆟䠄IADC䠅䛾䝥䝻䝔䜽䝅䝵䞁 䝬䝙䝳䜰䝹

13

ᦆയ䝰 䝗 ᙎ㐨᪉⛬ᘧ䛾タᐃ ᦆയ䝰䞊䝗䚸ᙎ㐨᪉⛬ᘧ䛾タᐃ

‹

ᙎ㐨᪉⛬ᘧ䜢㑅ᢥ䛒䜛䛔䛿᪂つタᐃ

‹ ኚᩘ䚸䝟䝷䝯䞊䝍䜢Ⓩ㘓䛧Fortran䛷グ㏙

‹ 䜾䝷䝣䛷☜ㄆ䛜ྍ⬟

ᦆയ䝰䞊䝗䛿䝍 䝤䛷⟶⌮

ᙎ㐨᪉⛬ᘧ 䜾䝷䝣⾲♧

䝁䝯䞁䝖ධຊḍ䚹 ᘬ⏝ᩥ⊩䚸ฟ

ฎ䛺䛹䚹 ᦆയ䝰䞊䝗㛵ᩘ

୰䛷฼⏝䛩䜛

ᅛᐃ䝟䝷䝯䞊䝍 㛵ᩘᮏయ

䝥䝻䜾䝷䝮グ ᦆയ䝰䞊䝗㛵ᩘ

୰䛷฼⏝䛩䜛

䝥 䜾䝷䝮グ

㏙ḍ ᕥḍ䛷ᐃ⩏䛧 䛯ኚᩘ䜢౑䛘

䝴䞊䝄䞊ኚᩘ 䜛䜛䚹

ᦆയ䝰 䝗䝬䝑䝢䞁䜾 ᦆയ䝰䞊䝗䝬䝑䝢䞁䜾

‹

Ᏹᐂᶵ䝰䝕䝹䛻ᦆയ䝰䞊䝗䜢䝬䝑䝢䞁䜾

‹

Ᏹᐂᶵ䝰䝕䝹䛻ᦆയ䝰 䝗䜢䝬䝑䝢䞁䜾

ᦆയ䝰䞊䝗 䜢㑅ᢥ

≀య䝥䝻䝟䝔䜱䛚 䜘䜃 ᦆയ䝰䞊䝗⾲♧

ᦆയ䝰䞊䝗䝬䝑䝢 ⏬㠃 䞁䜾

Ⓩ㘓䛧䛯ᦆയ 䝰 䝗䛾Ⰽ䛻ᛂ䛨

⏬㠃 䜽䝸䝑䜽䛧䛶༙㏱

᫂䛻䛺䛳䛯㒊ศ 䝰䞊䝗䛾Ⰽ䛻ᛂ䛨

䛶Ⰽศ䛡䛥䜜䜛䚹

」ᩘ䛾ᦆയ䝰䞊 䝗䛜䛒䜛ሙྜ䛻䛿

᫂䛻䛺䛳䛯㒊ศ 䛾ᦆയ䝰䞊䝗䜢⾲

♧(䛣䛾ᅗ䛷䛿 䝗䛜䛒䜛ሙྜ䛻䛿 SAP)

㯮䛷⾲♧

15

ᦆയⓎ⏕☜⋡䛾ゎᯒ ᦆയⓎ⏕☜⋡䛾ゎᯒ

‹

ESA䛾䝕䝤䝸䝰䝕䝹MASTER2005䛾Cell Passage Events g (CPEs) 䝎䞁䝥ᶵ⬟䜢౑⏝

‹

䝕䝤䝸䛾✀㢮䚸䝃䜲䝈䚸⾪✺㏿ᗘ䚸᪉ྥ䛺䛹䛾඲᝟ሗ䛜ྵ䜎䜜䜛 䛯䜑 䛭䜜䜙䜢✚ศ

䛯䜑䚸䛭䜜䜙䜢✚ศ

‹

䛩䜉䛶䛾䝕䝤䝸⾪✺䜲䝧䞁䝖䛻䛴䛔䛶䚸௚䛾㒊఩䛻䜘䜛㞃 ⶸ䜢⪃៖䛧䛶ྛ㒊఩䜈䛾⾪✺/㠀⾪✺䜢ุᐃ

‹

ᦆയ䝰䞊䝗䛜Ⓨ⏕䛩䜛䛛ྰ䛛䜢ุᐃ䛧䛶✚ศ䛩䜛䛣䛸䛻 䜘䜚䚸ᦆയⓎ⏕☜⋡䜢ィ⟬

‹

NASA䛾䝕䝤䝸䝰䝕䝹ORDEM2000

‹

NASA䛾䝕䝤䝸䝰䝕䝹ORDEM2000 䛚䜘䜃᭱㏆䛾୰ᅜ䛾◚○ᐇ㦂➼

䛻䜘䜛⎔ቃᝏ໬ศ䜢⪃៖䛧䛶⤖ᯝ 䜛⎔ቃᝏ໬ศ䜢⪃៖ ⤖ᯝ

䜢⿵ṇ䚹⿵ṇ䝕䝤䝸䝰䝕䝹➼䛾᝟

ሗ䜢⾲♧

]

\^E

im pact

[

\ ]^S

S

azih eleh

[^K

\

S

[^E

ᦆയゎᯒ䝒 䝹䛾ฟຊ䠄䠍䠅 ᦆയゎᯒ䝒䞊䝹䛾ฟຊ䠄䠍䠅

‹

䠏ḟඖ䝰䝕䝹䛾ྛ㒊఩䚸ྛᶵჾ䛾ᦆയ䝸䝇䜽䜢䚸☜

‹

䠏ḟඖ䝰䝕䝹䛾ྛ㒊఩䚸ྛᶵჾ䛾ᦆയ䝸䝇䜽䜢䚸☜

⋡䛻ᛂ䛨䛶Ⰽศ䛡䛧䛶⾲♧

⾪✺㢖ᗘゎᯒ⤖ᯝ౛ ᦆയⓎ⏕ゎᯒ⤖ᯝ౛䠄ᵓ㐀䛾㈏㏻䠅

17

ᦆയゎᯒ䝒 䝹䛾ฟຊ䠄䠎䠅 ᦆയゎᯒ䝒䞊䝹䛾ฟຊ䠄䠎䠅

‹

ྛᵓᡂ ㌶㐨 ጼໃ䛻䛚䛡䜛 ඲ᦆ ᶵ⬟ N 䛾႙

‹

ྛᵓᡂ䚸㌶㐨䚸ጼໃ䛻䛚䛡䜛䚸඲ᦆ䚸ᶵ⬟ N 䛾႙ ኻ䚸ᶵჾ N 䛾ᦆയ䝰䞊䝗䠍Ⓨ⏕☜⋡䜢ゎᯒྍ⬟

ᶵჾྡ⛠ ᦆയ 䝰䞊䝗

ᶵ⬟䛾႙ኻ ^ᶵ

ჾ ႙ ኻ

඲ ᦆ

Ⓨ⏕☜⋡

ᵓ 㐀

㟁

※ ᥎ 㐍

⣔

… ኻ

⣔

䝝䞊䝛䝇 ษ᩿ 䕿 䕿 䕿 0.0003

ᨺ㟁 䕿 䕿 0.0006

…

… 䕿

ᶵჾ䠍䛾႙ኻ 0.0012

ᶵ⬟䠍䛾႙ኻ 0.0025

…

඲ᦆ 0.003

䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒 䝹 䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒䞊䝹

‹

䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒

‹

䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒 䞊䝹DEMIST

㓄ᕸ୰

‹

┠ⓗ

„ JAXA䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽

JMR-003

䛸䛾㐺ྜᛶ䜢☜ㄆ

„

䝕䝤䝸䝸䝇䜽䛾⡆᫆ホ౯ 䝕䝤䝸䝸䝇䜽䛾⡆᫆ホ౯

‹ 䝕䝤䝸䝣䝷䝑䜽䝇䛸䛧䛶NASA䛾 ORDEM2000䜢౑⏝

‹ Mi f Wi d 2000/XP

‹ Microsoft Windows 2000/XP 䛷ື䛟GUI䜢ᣢ䛴䝥䝻䜾䝷䝮䜢 㓄ᕸ

19

䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒 䝹 䝕䝤䝸Ⓨ⏕㜵Ṇᶆ‽ᨭ᥼䝒䞊䝹

‹

௨ୗ䛾ゎᯒ䛜ྍ⬟

1.

኱ᆺ䝕䝤䝸⾪✺㢖ᗘゎᯒ

= 235 + 1000 xCR x A/M [km]

2.

ᚤᑠ䝕䝤䝸⾪✺㢖ᗘゎᯒ

3.

඲య䛸䛧䛶䛾ಙ㢗ᗘゎᯒ

4

㌶㐨ୖᑑ࿨䠄ᅾ᫬㛫䠅ゎᯒ

235 + 1000 xCR x A/M [km]

Where:

CR : Solar radiation coefficient A/M : Area to Mass [m2/kg]

4.

㌶㐨ୖᑑ࿨䠄ᅾ᫬㛫䠅ゎᯒ

5.

䝕䜸䞊䝡䝑䝖䠄䞉䝸䜸䞊䝡䝑䝖䠅ᚲ せ⇞ᩱゎᯒ

A/M : Area to Mass [m2/kg]

6.

ᅇ㑊䝬䝚䞊䝞ᚲせ⇞ᩱゎᯒ

7.

෌✺ධ䝬䝚䞊䝞ᚲせ⇞ᩱゎᯒ

෌✺ධ⁐⼥ゎᯒ

8.

෌✺ධ⁐⼥ゎᯒ

9.

ศ㞳ᨺฟ≀䝸䝇䜽ゎᯒ

䜎䛸䜑 䜎䛸䜑

‹

ᚤᑠ䝕䝤䝸⾪✺䛻䜘䜛ᦆയ䛿↓ど䛷䛝䛺䛔䝺䝧 䝹䛻㐩䛧䛶䛚䜚䚸䝕䝤䝸㜵ᚚタィ䛜ᚲせ

‹

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