(523706) 2014 HF200 (provisional designation 2014 HF200 ) is a trans-Neptunian object on an eccentric orbit from the scattered disc , located in the outermost region of the Solar System . It was discovered on 20 May 2012, by astronomers with the Pan-STARRS survey at Haleakala Observatory , Hawaii, United States.[ 1] The dwarf planet candidate measures approximately 300 kilometers (190 miles) in diameter.
Orbit and classification
2014 HF200 is a scattered disc object and orbits the Sun at a distance of 35.5–88.0 AU once every 485 years and 4 months (177,277 days; semi-major axis of 61.76 AU). Its orbit has an eccentricity of 0.43 and an inclination of 10° with respect to the ecliptic .[ 2]
The body's observation arc begins with a precovery taken by Pan-STARRS in May 2010, two years prior to its official discovery observation.[ 1] It still has a small orbital uncertainty of 1 and 2, respectively.[ 1] [ 2]
Numbering and naming
This minor planet was numbered by the Minor Planet Center on 25 September 2018 and received the number 523706 in the minor planet catalog (M.P.C. 111779 ).[ 6] As of 2018, it has not been named .[ 1]
Physical characteristics
According to the Johnston's archive and American astronomer Michael Brown , 2014 HF200 measures 293 and 302 kilometers in diameter based on an assumed albedo of 0.09 and 0.08, respectively.[ 3] [ 4] On his website, Michael Brown lists this object as a "possible" dwarf planet (200–400 km) which is the category with the lowest certainty in his 5-class taxonomic system .[ 4] As of 2018, no spectral type and color indices , nor a rotational lightcurve have been obtained from spectroscopic and photometric observations. The body's color, rotation period , pole and shape remain unknown.[ 2] [ 7]
References
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