• Jupiter's trojan asteroids

    From StarDust@21:1/5 to All on Sat Oct 16 03:23:18 2021
    So, what's with these asteroids?
    What the Lucy mission is looking for or what they will find?

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  • From Martin Brown@21:1/5 to StarDust on Wed Oct 20 20:53:25 2021
    On 16/10/2021 11:23, StarDust wrote:
    So, what's with these asteroids?

    They are trapped in the stable L4 & L5 Lagrange points on Jupiters orbit
    about 60 degrees either side of Jupiter as seen from the sun.

    What the Lucy mission is looking for or what they will find?

    Material that has been trapped there since the last great bombardment or possibly even before that. Hopefully some nearly pristine solar system
    material to analyse. I hope they have a stable isotope ratio capability
    on the probe since that will shed light on where it first condensed.

    --
    Regards,
    Martin Brown

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