10258 Sárneczky

10258 Sárneczky, provisional designation 1940 AB, is a background asteroid from the outer regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 6 January 1940, by Hungarian astronomer György Kulin at the Konkoly Observatory, near Budapest.[2] The asteroid was named after Hungarian astronomer Krisztián Sárneczky.[2]

10258 Sárneczky
Discovery [1]
Discovered byG. Kulin
Discovery siteKonkoly Obs.
Discovery date6 January 1940
Designations
(10258) Sárneczky
Named after
Krisztián Sárneczky [2]
(Hungarian astronomer)
1940 AB · 1988 RZ4
1989 WK7 · 1989 WL6
1998 KD53
main-belt · (outer)
background [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc77.74 yr (28,393 days)
Aphelion3.4567 AU
Perihelion2.8649 AU
3.1608 AU
Eccentricity0.0936
5.62 yr (2,053 days)
339.90°
0° 10m 31.44s / day
Inclination14.192°
128.78°
291.32°
Physical characteristics
Dimensions14.275±0.264 km[4]
0.151±0.026[4]
12.1[1]

    Orbit and classification

    Sárneczky is non-family asteroid from the main-belt's background population.[3] It orbits the Sun in the outer asteroid belt at a distance of 2.9–3.5 AU once every 5 years and 7 months (2,053 days). Its orbit has an eccentricity of 0.09 and an inclination of 14° with respect to the ecliptic.[1] The body's observation arc begins with its official discovery observation at Konkoly in 1940.[2]

    Physical characteristics

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Sárneczky measures 14.275 kilometers in diameter and its surface has an albedo of 0.151.[4] The asteroid has an absolute magnitude of 12.1.[1]

    Rotation period

    As of 2017, no rotational lightcurve of Sárneczky has been obtained from photometric observations. The body's rotation period, shape and poles remain unknown.[5]

    Naming

    This minor planet was named after Krisztián Sárneczky (born 1974), a Hungarian amateur astronomer and discoverer of minor planets and supernovae. He is a board member of the Hungarian Astronomical Association (HAA).[2] The official naming citation was published by the Minor Planet Center on 5 October 2017 (M.P.C. 106499).[6]

    References
    1. "JPL Small-Body Database Browser: 10258 Sarneczky (1940 AB)" (2017-10-01 last obs.). Jet Propulsion Laboratory. Retrieved 11 October 2017.
    2. "10258 Sarneczky (1940 AB)". Minor Planet Center. Retrieved 11 October 2017.
    3. "Asteroid 10258 Sarneczky – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
    4. Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. Retrieved 11 October 2017.
    5. "LCDB Data for (10258) Sárneczky". Asteroid Lightcurve Database (LCDB). Retrieved 11 October 2017.
    6. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 11 October 2017.
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