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Contents

   



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1 Classification and orbit  





2 Numbering and naming  





3 Physical characteristics  





4 References  





5 External links  














(523639) 2010 RE64






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From Wikipedia, the free encyclopedia
 


(523639) 2010 RE64
Discovery[1]
Discovered byPan-STARRS1
Discovery siteHaleakala Obs.
Discovery date11 July 2010
Designations

MPC designation

(523639) 2010 RE64

Alternative designations

2010 RE64

Minor planet category

TNO[2] · SDO[3]
distant[1]
Orbital characteristics[2]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter· 2[1]
Observation arc7.47 yr (2,729 d)
Aphelion94.746 AU
Perihelion36.443 AU

Semi-major axis

65.595 AU
Eccentricity0.4444

Orbital period (sidereal)

531.27 yr (194,045 d)

Mean anomaly

320.94°

Mean motion

0° 0m 6.84s / day
Inclination13.550°

Longitude of ascending node

67.306°

Time of perihelion

≈ 17 December 2076[4]
±2.4 days

Argument of perihelion

20.572°
Physical characteristics

Mean diameter

561 km[5]
584 km (est. at 0.09 and H=4.4)[6]
350–780 km (for 0.25–0.05 albedo and H=4.4)[6]

Geometric albedo

0.09 (est.)[5]

Apparent magnitude

21.45[7]

Absolute magnitude (H)

4.4[1][2]
4.6[5]

(523639) 2010 RE64 (provisional designation 2010 RE64) is a trans-Neptunian object in the scattered disc located in the outermost region of the Solar System, approximately 570 kilometers (350 miles) in diameter. It was discovered on 11 July 2010 by the Pan-STARRS-1 survey at the Haleakala Observatory, Hawaii, in the United States.[1]

Classification and orbit[edit]

2010 RE64 has an observation arc of 1774 days,[7] and there are currently no known precovery images to help refine its orbit. It is currently 53.7 AU from the Sun.[7] Based on JPL's best-fit solution for the orbit, it reached aphelion around 1829. It is estimated to come to perihelion around 2079.[2] Although the discovery is credited to Pan-STARRS, the object was first announced in a Minor Planet Electronic Circular by American astronomers David Rabinowitz, Megan Schwamb and Suzanne Tourtellotte observing from La Silla Observatory on 9 September 2010.[8]

Numbering and naming[edit]

This minor planet was numbered by the Minor Planet Center on 25 September 2018 (M.P.C. 111778).[9] As of 2018, it has not been named.[1]

Physical characteristics[edit]

Assuming a generic trans-Neptunian albedo of 0.09, it is about 580 kilometers in diameter.[6] However, since the true albedo is unknown and it has an absolute magnitude of 4.4,[2] it could easily be from about 350 to 780 km in diameter (for typical albedos of 0.05 to 0.25).[6] Michael Brown estimates a similar diameter of 561 kilometers, also using a geometric albedo of 0.09 and a fainter 4.6 absolute magnitude.[5]

References[edit]

  1. ^ a b c d e f "523639 (2010 RE64)". Minor Planet Center. Retrieved 8 October 2018.
  • ^ a b c d e "JPL Small-Body Database Browser: 523639 (2010 RE64)" (2017-12-30 last obs.). Jet Propulsion Laboratory. Retrieved 8 October 2018.
  • ^ Marc W. Buie. "Orbit Fit and Astrometric record for 10RE64" (last observation: 2011-10-21 using 16 of 16 observations over 1.1 yr). SwRI (Space Science Department). Archived from the original on 22 June 2011. Retrieved 3 December 2009.
  • ^ JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
  • ^ a b c d Brown, Michael E. "How many dwarf planets are there in the outer solar system?". California Institute of Technology. Retrieved 8 October 2018.
  • ^ a b c d "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 8 October 2018.
  • ^ a b c "AstDyS – (523639) 2010 RE64". Department of Mathematics, University of Pisa, Italy. Retrieved 15 August 2019.
  • ^ "MPEC 2010-T36 : 2010 RE64". IAU Minor Planet Center. 6 October 2010. Retrieved 6 July 2011.
  • ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 8 October 2018.
  • External links[edit]



    Retrieved from "https://en.wikipedia.org/w/index.php?title=(523639)_2010_RE64&oldid=1196912955"

    Categories: 
    Minor planet object articles (numbered)
    Scattered disc and detached objects
    Discoveries by Pan-STARRS
    Possible dwarf planets
    Astronomical objects discovered in 2010
    Hidden categories: 
    Use dmy dates from February 2018
    Articles with JPL SBDB identifiers
    Articles with MPC identifiers
     



    This page was last edited on 18 January 2024, at 21:23 (UTC).

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