stell ar ▁object ▁ ʻ O um u am ua , ▁initi ated ▁on ▁the ▁ ▁by ▁the ▁In iti ative ▁for ▁Inter stell ar ▁Studies ▁( i 4 is ). ▁ ▁Over view ▁The ▁suggested ▁options ▁for ▁sending ▁a ▁space craft ▁to ▁ ʻ O um u am ua ▁within ▁a ▁time - frame ▁of ▁ 5 ▁to ▁ 1 0 ▁years ▁are ▁based ▁on ▁using ▁first ▁a ▁Jup iter ▁fly by ▁followed ▁by ▁a ▁close ▁solar ▁fly by ▁at ▁ 3 ▁solar ▁rad ii ▁in ▁order ▁to ▁take ▁advantage ▁of ▁the ▁Ober th ▁effect ▁or ▁more ▁advanced ▁options ▁such ▁as ▁a ▁solar ▁sail ▁and ▁a ▁las er ▁sail . ▁ ▁Det ail ▁ ʻ O um u am ua ▁was ▁at ▁first ▁thought ▁to ▁be ▁travel ing ▁too ▁fast ▁for ▁any ▁existing ▁space craft ▁to ▁reach . ▁ ▁The ▁In iti ative ▁for ▁Inter stell ar ▁Studies ▁( i 4 is ) ▁launched ▁Project ▁Ly ra ▁to ▁assess ▁the ▁feas ibility ▁of ▁a ▁mission ▁to ▁ ʻ O um u am ua . ▁Several ▁options ▁for ▁sending ▁a ▁space craft ▁to ▁ ʻ O um u am ua ▁within ▁a ▁time - frame ▁of ▁ 5 ▁to ▁ 2 5 ▁years ▁were ▁suggested . ▁ ▁The ▁challenge ▁is ▁to ▁get ▁to ▁the ▁astero id ▁in ▁a ▁reasonable ▁amount ▁of ▁time ▁( and ▁so ▁at ▁a ▁reasonable ▁distance ▁from ▁Earth ), ▁and ▁yet ▁be ▁able ▁to ▁gain ▁useful ▁scientific ▁information . ▁To ▁do ▁this , ▁dec eler ating ▁the ▁space craft ▁at