ST Alpha - "reinstate its planetary status!! -- nm" (Reading a Post)

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In response to "Today I was reminded that Pluto's orbital period is about 248 years. Since it was discovered 93 years ago, it has only gone about a third of the way " by oblique

reinstate its planetary status!! -- nm

Posted by mud Jan 23 '23, 08:49

(No message)

Responses:

I thought they had? -- nm - ty97 Jan 23, 08:55 5
- It's a dwarf planet, of which there are at least 9 others. -- nm - Reagen Jan 23, 08:56 4
  - Ceres, makemake, haumea, eris ... and that's all I can remember right now. -- nm - Beryllium Jan 23, 09:04 3
    - Pluto, Senda, Quaoar, Gongong, and Orcus -- nm* - tRuMaNaNaNaNa Jan 23, 09:12 2
      - Sedna. -- nm - Reagen Jan 23, 09:31
      - and i think its Haumea that is weird, like flattened and elongated. -- nm - tRuMaNaNaNaNa Jan 23, 09:13
Needs to kick Charon to the curb first. -- nm - Reagen Jan 23, 08:51 6
- ? -- nm - mud Jan 23, 08:51 5
  - I think there's some weird quirk of their sizes and orbit that place the centre of their system outside of Pluto's surface ... -- nm - Beryllium Jan 23, 08:53 4
    - you are right good sir. Charon is about half Pluto's width and somewhere around one-eighth to one-tenth its mass, and with a center-to-center orbit -- (edited) - tRuMaNaNaNaNa Jan 23, 09:09
    - (wow, I did not know that) -- nm - mud Jan 23, 08:54 1
      - I don't know if I'm right, I'm only vaguely remembering based on reagen's prompt -- nm - Beryllium Jan 23, 09:03
    - aw, so what. :-P -- nm - pluto Jan 23, 08:54

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