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(145452) 2005 RN43

From Wikipedia, the free encyclopedia

(145452) 2005 RN43
2005-rn43 hst.jpg
Hubble Space Telescope image of 2005 RN43, taken on April 2010
Discovered byA. C. Becker
A. W. Puckett
J. M. Kubica
Discovery siteAPO
Discovery date10 September 2005
MPC designation(145452) 2005 RN43
Extended (DES)[4]
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc22376 days (61.26 yr)
Earliest precovery date2 June 1954
Aphelion42.146 AU (6.3050 Tm)
Perihelion40.571 AU (6.0693 Tm)
41.359 AU (6.1872 Tm)
265.99 yr (97151.5 d)
0° 0m 13.34s / day
Earth MOID39.5672 AU (5.91917 Tm)
Jupiter MOID35.6155 AU (5.32800 Tm)
Physical characteristics
6.95 h (0.290 d)
5.62 h[2]
3.89±0.05,[5] 3.9[2]

(145452) 2005 RN43, also written as (145452) 2005 RN43, is a classical Kuiper belt object. It has an estimated diameter of 679+55
.[5] It was discovered by Andrew Becker, Andrew Puckett and Jeremy Kubica on 10 September 2005 at Apache Point Observatory in Sunspot, New Mexico. Brown calculates that it is possibly a dwarf planet.[7][8]


The Minor Planet Center (MPC) classifies it as a cubewano.[3] But since this object has an inclination of 19.3° and it is unknown how it acquired this moderate inclination,[citation needed] the Deep Ecliptic Survey (DES) classifies it as scattered-extended.[4]

It has been observed 119 times over thirteen oppositions, with precovery images back to 1954.[2]

See also


  1. ^ "List Of Transneptunian Objects". Minor Planet Center. Retrieved 22 August 2016.
  2. ^ a b c d e "JPL Small-Body Database Browser: 145452 (2005 RN43)" (2015-08-13 last obs). Retrieved 11 April 2016.
  3. ^ a b "MPEC 2009-R09 :Distant Minor Planets (2009 September 16.0 TT)". IAU Minor Planet Center. 2009-09-04. Retrieved 2010-01-08.
  4. ^ a b Marc W. Buie. "Orbit Fit and Astrometric record for 145452" (2008-08-09 using 220 of 221 observations). SwRI (Space Science Department). Retrieved 2009-10-04.
  5. ^ a b c Vilenius, E.; Kiss, C.; Mommert, M.; et al. (2012). ""TNOs are Cool": A survey of the trans-Neptunian region VI. Herschel/PACS observations and thermal modeling of 19 classical Kuiper belt objects". Astronomy & Astrophysics. 541: A94. arXiv:1204.0697. Bibcode:2012A&A...541A..94V. doi:10.1051/0004-6361/201118743.
  6. ^ "AstDys (145452) 2005RN43 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2009-12-07.
  7. ^ Michael E. Brown. "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. Archived from the original on 2011-10-18. Retrieved 2011-08-25.
  8. ^ Icy Dwarf Planets and TNOs

External links

This page was last edited on 11 May 2019, at 04:35
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