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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
Discovery[1]
Discovered byA. C. Becker
A. W. Puckett
J. M. Kubica
Discovery siteAPO
Discovery date10 September 2005
Designations
MPC designation(145452) 2005 RN43
TNO
Cubewano[2][3]
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)
Eccentricity0.019047
265.99 yr (97151.5 d)
0.0037°/d
338.28°
0° 0m 13.34s / day
Inclination19.313°
186.93°
174.88°
Earth MOID39.5672 AU (5.91917 Tm)
Jupiter MOID35.6155 AU (5.32800 Tm)
TJupiter5.446
Physical characteristics
Dimensions679+55
−73
 km
[5]
6.95 h (0.290 d)
5.62 h[2]
20.1[6]
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
−73
 km
.[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]

Classification

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

References

  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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