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[edit]

Per the OED, the adjectival form is Iridian (eye-rid'-ee-un). kwami 07:05, 2005 Jun 19 (UTC)

Newer source lists Mass ≈ 2.39×1019Kg [1] Will wait 1 week for feedback on this one before updating. Abyssoft 04:47, 4 September 2006 (UTC)[reply]

Here's what mass estimates i've been able to track down:
Author Year Mass (in Solar mass × 10-12) note link
Pitjeva 2004 5.2 ± 0.8 [2]
Kuznetsov 2001 15.6 ± 3.8 repeated by Kochetova
Kochetova 2004 14.1 ± 1.4 reference mentioned in the link above

[3]

Chernetenko et al 2005 12.0 ± 0.9 the webpage mentioned above (same group as Kochetova) [4]
Pitjeva 2005 6.3 ± 0.1 IAU Ephemeris [5]
The new estimates seem to agree with each other here, but they give pretty mad densities for an S-type asteroid. Even the latest slightly smaller value of 12.0 leads to 5.6 g/cm³. I might believe that for an M type, but it looks pretty suspicious here.

I would go with the old Pitjeva value and maybe reference the new website next to it for completeness. Deuar 23:30, 4 September 2006 (UTC)[reply]

I updated the above table and the article to use the latest Pitjeva values. —RP88 17:51, 15 March 2007 (UTC)[reply]
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During several automated bot runs the following external link was found to be unavailable. Please check if the link is in fact down and fix or remove it in that case!

  • http://www.psi.edu/pds/archive/lc.html
    • In 108 Hecuba on 2011-05-23 02:06:07, 404 Not Found
    • In 190 Ismene on 2011-05-25 02:39:36, 404 Not Found
    • In 196 Philomela on 2011-05-25 04:06:52, 404 Not Found
    • In 198 Ampella on 2011-05-25 05:50:35, Socket Error: 'A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond'
    • In 108 Hecuba on 2011-05-31 22:16:42, 404 Not Found
    • In 141 Lumen on 2011-06-01 15:27:12, 404 Not Found
    • In 159 Aemilia on 2011-06-01 18:17:44, 404 Not Found
    • In 190 Ismene on 2011-06-04 15:08:38, 404 Not Found
    • In 194 Prokne on 2011-06-04 17:23:24, 404 Not Found
    • In 196 Philomela on 2011-06-06 14:26:48, 404 Not Found
    • In 197 Arete on 2011-06-07 01:38:43, 404 Not Found
    • In 200 Dynamene on 2011-06-18 11:47:45, 404 Not Found
    • In 52 Europa on 2011-06-19 20:07:02, 404 Not Found
    • In 7 Iris on 2011-06-19 21:11:13, 404 Not Found

--JeffGBot (talk) 21:11, 19 June 2011 (UTC)[reply]

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Hi resolution images

[edit]

An article posted on arxiv has high resolution images, discusses its shape, density and possible craters. Agmartin (talk) 16:57, 26 February 2019 (UTC)[reply]

Density

[edit]

I tried to calculate the mean sensity . It it turned out to be much less than the figure given in the info box. I’ll call the editor. Nedim Ardoğa (talk) 11:07, 9 December 2020 (UTC)[reply]

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