Talk:Asteroid family

message: Should this article be merged with Hirayama families? Gentgeen 07:19, 21 January 2006 (UTC)
replies: text: I think it should. 2600:6C4E:187F:E8D0:2C19:F4A9:85AF:3847 (talk) 07:43, 20 January 2024 (UTC)
thread_title: Merge

message: Please note the longer list of families at Asteroid groups and families, which should be integrated here. Likewise, any definitive changes here, should be integrated into the category page just mentioned.
http://en.wikipedia.org/wiki/Category:Asteroid_groups_and_families
According to earlier work by Zappala (1995), there are two sub-families of the Flora family -- Amneris and Reginita: 
http://epmac.lpl.arizona.edu/fam.php?family=1
If you have access to the 2002 classifications, please check whether these should be included.
Currently 781 Amneris is listed under the Naema family.
The 1995 work also lists the Polana family as a subgroup of the Nysa family, which seems pretty well accepted now, although there is no page or mention of the Polana family as yet.
A.k.a. (talk) 02:24, 4 September 2008 (UTC)
thread_title: Other families

message: Why do we have a section called 'less prominent but still certain families' and then one simply called 'other', holding only the Karin family? Why does Karin not simply belong in the 'less prominent' section? The Singing Badger 22:44, 26 January 2006 (UTC)
replies: text: The original rationale was that the 'less prominent' are all referenced in Bendjoya&Zappala 2002, while Karin is not mentioned there (i think it's a newer discovery). That's probbaly a pointless division, though, and now changed. Deuar 10:02, 27 January 2006 (UTC)
thread_title: Table and the Karin family

message: Could we also list the orbital resonances with Jupiter that each family corresponds to in the table? (eg Hilda = 3:2 resonance)
:The main belt families don't actually correspond to any resonances, they're caused by collisions between asteroids in random places. An article on asteroid groups outside the main belt including the Hildas would be pretty good to have though :-) Deuar 22:31, 23 May 2006 (UTC)
replies: text: I strongly suspect not. The reason is that over timespans of millions of years (which is still short in comparison with when most families where formed), almost all the orbital elements change due to perturbations by the major planets, scrambling information on their origin. This is why proper orbital elements are needed to distinguish the families from the background and each other. A plot of the proper longitude of ascending node would probably show them up, though. Deuar 22:33, 16 June 2007 (UTC)
thread_title:  Add orbital resonances to columns in table? 

message: Add the Baptistina_family?  —Preceding unsigned comment added by 69.234.43.64 (talk) 11:58, 6 September 2007 (UTC)
thread_title:  Baptistina? 

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thread_title:  External links modified (January 2018)