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Contents

   



(Top)
 


1 Orbit and classification  



1.1  Most distant objects from the Sun  







2 Physical characteristics  





3 See also  





4 References  





5 External links  














2014 FC69






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From Wikipedia, the free encyclopedia
 


2014 FC69
Orbital diagram of 2014 FC69
Discovery[1]
Discovered by
  • C. Trujillo
  • Discovery siteCerro Tololo Obs.
    Discovery date25 March 2014
    Designations

    MPC designation

    2014 FC69

    Minor planet category

  • near-scattered (DES)[5]
  • p-DP[6]
  • Orbital characteristics[2]
    Epoch 1 July 2021 (JD 2459396.5)
    Uncertainty parameter6[1] · 7[2]
    Observation arc1.87 yr (682 d)
    Aphelion104.21 AU
    Perihelion40.091 AU

    Semi-major axis

    72.150 AU
    Eccentricity0.4443

    Orbital period (sidereal)

    612.86 yr (223,847 d)

    Mean anomaly

    91.584°

    Mean motion

    0° 0m 5.76s / day
    Inclination30.024°

    Longitude of ascending node

    250.26°

    Argument of perihelion

    189.01°
    Physical characteristics

    Mean diameter

    533 km (est.)[4][7]

    Absolute magnitude (H)

    4.7[1][2]

    2014 FC69 is a trans-Neptunian object of the scattered disc on an eccentric orbit in the outermost region of the Solar System. It was first observed on 25 March 2014, by American astronomers Scott Sheppard and Chad Trujillo at the Cerro Tololo Observatory in Chile.[1] It is one of the most distant objects from the Sun, even further away than Sedna.

    Orbit and classification

    [edit]

    As of 2021 and based on an orbital uncertainty of 6–7 and an observation arc of only 682 days, 2014 FC69 orbits the Sun at a distance of 40.1–104.2 AU once every 612 years and 10 months (223,847 days; semi-major axis of 72.15 AU). Its orbit has an eccentricity of 0.44 and an inclination of 30° with respect to the ecliptic.[2]

    Based on the best-fit (albeit uncertain) orbital solution, 2014 FC69 is a scattered disc object,[4] or "near-scattered" in the classification of the Deep Ecliptic Survey,[5] that still interacts gravitationally with Neptune due to its relatively low perihelion of 40.1 AU, contrary to the extended-scattered/detached objects and sednoids which never approach Neptune as close as 2014 FC69 does.

    Most distant objects from the Sun

    [edit]

    2014 FC69 last came to perihelion around 1865,[2] moving away from the Sun ever since and is currently about 85.6 AU from the Sun,[8] which is further away than the dwarf planet Sedna. Other than long-period comets, it is the 10th-most-distant known larger body in the Solar System (also see List of Solar System objects most distant from the Sun § Known distant objects).[9]

    Physical characteristics

    [edit]

    Based on a generic magnitude-to-diameter conversion from its magnitude of 4.6, 2014 FC69 is approximately 533 kilometers (330 miles) in diameter, assuming an albedo of 0.9.[4][7]

    As of 2021, no rotational lightcurve for this object has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.[2]

    See also

    [edit]

    References

    [edit]
    1. ^ a b c d "2014 FC69". Minor Planet Center. Retrieved 8 September 2021.
  • ^ a b c d e f g "JPL Small-Body Database Browser: (2014 FC69)" (2015-01-21 last obs.). Jet Propulsion Laboratory. Retrieved 8 September 2021.
  • ^ "MPEC 2015-C52 : 2014 FC69". Minor Planet Center. 11 February 2015. Retrieved 12 November 2015.
  • ^ a b c d "List of Known Trans-Neptunian Objects". Johnston's Archive. 22 July 2017. Retrieved 2 August 2017.
  • ^ a b "Orbit Fit and Astrometric record for 14FC69". Southwest Research Institute. Retrieved 8 September 2021.The Deep Ecliptic Survey Object Classifications
  • ^ Brown, Michael E. "How many dwarf planets are there in the outer solar system?". California Institute of Technology. Retrieved 8 September 2021.
  • ^ a b "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 8 September 2021.
  • ^ "Asteroid 2014 FC69 – Ephemerides". AstDyS-2, Asteroids – Dynamic Site. Retrieved 8 September 2021.
  • ^ "Observational Query: objects more than 57.0 AU from the Sun". AstDyS-2, Asteroids – Dynamic Site, Department of Mathematics, University of Pisa, Italy. Retrieved 8 September 2021.
  • [edit]



    Retrieved from "https://en.wikipedia.org/w/index.php?title=2014_FC69&oldid=1196913902"

    Categories: 
    Scattered disc and detached objects
    Minor planet object articles (unnumbered)
    Discoveries by Scott S. Sheppard
    Possible dwarf planets
    Astronomical objects discovered in 2014
    Hidden categories: 
    Use dmy dates from September 2021
    Articles containing potentially dated statements from 2021
    All articles containing potentially dated statements
    JPL Small-Body Database ID same as Wikidata
    Articles with JPL SBDB identifiers
     



    This page was last edited on 18 January 2024, at 21:26 (UTC).

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