Talk:(386723) 2009 YE7

Astronomy: Astronomical objects / Solar System Low‑importance

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Rabinowitz

Nice work getting this page going so soon. I checked after receiving this email from my minor planet research assistant in Finland. There does seem to be a discrepancy about the discoverer; my source says Rabinowitz. If the MPC page says that its Rabinowitz, you can count on that. First I will try to account for the statement that A.U. Tomatic is the discoverer; to see if I can source that, and depending on that research I'm going to revise the discoverer to Rabinowitz.

Hmm, I am thinking this is a pun on "AUTomatic." No human comes up in a basic google search; much less a discovering astronomer. Will edit to Rabinowitz now. On that note, Michael E. Brown at Caltech just wrote to me:

"As far as I can tell the real discoverer is Dave Rabinowitz. A.U. Tomatic is indeed a pun and just what the MPC calls their automatic computer program!"

Trivia for you.

==

A transneptunian object about Quaoar size has been discovered Dec. 17, 2009, by D. L. Rabinowitz:

Prov. Des. q Q H (absolute visual magnitude) 2009 YE7 35.921 51.142 2.8

I think this is the biggest traditional tno discovered since Makemake. Snow White is bigger than this one, but she is more of a SDO.

http://www.cfa.harvard.edu/iau/lists/TNOs.html

I think that part of the benefit these articles will have is putting this type of discovery into context. There are so many points and it's easy to dismiss the discoveries as being routine. Speaking as a hobby astronomer and a professional astrologer, all of my experiences researching and using these points have been intellectually satisfying. I'll see if I can get exact discovery data.Dioxinfreak (talk) 22:30, 27 December 2009 (UTC)[reply]

Bad Reference

Reference 1 (to http://www.cfa.harvard.edu/mpec/K09/K09Y47.html) is for 2009 YD7, not YE7. I didn't find any direct YE7 circular in a quick perusal, although http://www.cfa.harvard.edu/mpec/K09/K09Y48.html does at least mention YE7. Tbayboy (talk) 01:58, 28 December 2009 (UTC)[reply]

YE₇ seems to also go by the name K09Y07E (your reference).

I got the article reference from the space.com forum. But you are right, I don't think it is for this object. Mike Brown (plutokiller) shows Dave Rabinowitz as the discoverer. -- Kheider (talk) 02:19, 28 December 2009 (UTC)[reply]

I checked your space.com reference, and it actually points to K09Y48.html (not K09Y47), so it was just a typo or something when adding it into this page. I'm changing the reference to the Harvard TNOs list, since it gives the basic orbital data and discoverer. Tbayboy (talk) 17:23, 28 December 2009 (UTC)[reply]

YE7 Celestia Bright.jpg

The consensus has been not to use generic, fake and potentially misleading one-size-fits-all Celestia images such as File:YE7_Celestia_Bright.jpg and File:TC302_Celestia.jpg. With an estimated size of around only 210 km (H=4.4; and assuming a Haumea-like albedo of 0.7) it is very important to note that YE7 is likely not spherical! Other objects about this size that are known not to be spherical include Phoebe (moon) (220km diameter) and Janus (moon) (180km diameter / albedo 0.7). The smallest moon known to be spherical is Mimas (400km diameter / albedo 0.9). -- Kheider (talk) 09:54, 17 July 2010 (UTC)[reply]

9 months later

Yikes. This guy still jumps around quite a bit. Looks like the original orbital numbers were not too bad. -- Kheider (talk) 20:42, 13 September 2010 (UTC)[reply]

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