24105 Broughton

Last updated

24105 Broughton
Discovery  [1]
Discovered by C. W. Juels
Discovery site Fountain Hills Obs.
Discovery date9 November 1999
Designations
(24105) Broughton
Named after
 John Broughton
(Australian astronomer) [2]
1999 VE10 ·1997 BV6
main-belt   [1] [3]  ·(inner)
background   [4] [5]
Orbital characteristics   [3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc 20.97 yr (7,659 d)
Aphelion 2.4364 AU
Perihelion 2.2457 AU
2.3410 AU
Eccentricity 0.0407
3.58 yr (1,308 d)
340.18°
0° 16m 30.72s / day
Inclination 7.3496°
310.72°
164.63°
Physical characteristics
Mean diameter
3.65  km (calculated) [6]
15.9442±0.0250  h [7]
0.24 (assumed) [6]
S   [6]
13.907±0.005(R) [7]
14.0 [1] [3]
14.36 [6]

    24105 Broughton, provisional designation 1999 VE10, is a background asteroid from the inner regions of the asteroid belt, approximately 3.7 kilometers (2.3 miles) in diameter. The assumed S-type asteroid was discovered on 9 November 1999, by American amateur astronomer Charles W. Juels at the Fountain Hills Observatory ( 678 ) in Arizona, United States. [1] It has a rotation period of 15.9 hours and was named after Australian amateur astronomer John Broughton. [2] [3]

    Contents

    Orbit and classification

    Broughton is non-family asteroid from the main belt's background population, [4] [5] located near the region occupied by the Flora family, one of the largest clans of stony asteroids. [3] It orbits the Sun in the inner asteroid belt at a distance of 2.2–2.4  AU once every 3 years and 7 months (1,308 days; semi-major axis of 2.34 AU). Its orbit has an eccentricity of 0.04 and an inclination of 7° with respect to the ecliptic. [3]

    The asteroid was first observed as 1997 BV6 at the Japanese Tajimi Observatory ( 901 ) in January 1997, where its observation arc begins in the following month, about 2 years prior to the asteroid's official discovery observation at Fountain Hills. [1]

    Naming

    This minor planet was named in honor of Australian amateur astronomer John Broughton (born 1952), a prolific discoverer of minor planets who received a "Shoemaker NEO Grant" in 2002. [2] The approved naming citation was published by the Minor Planet Center on 26 November 2004 ( M.P.C. 53176). [8]

    Physical characteristics

    Lightcurves

    In October 2013, a rotational lightcurve of Broughton was obtained from photometric observations in the R-band by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 15.9442 hours with a brightness variation of 0.34 magnitude ( U=2 ). [7]

    Diameter and albedo

    The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora, the family's largest member and namesake – and calculates a diameter of 3.65 kilometers with an absolute magnitude of 14.36. [6]

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    References

    1. 1 2 3 4 5 "24105 Broughton (1999 VE10)". Minor Planet Center. Retrieved 17 July 2018.
    2. 1 2 3 Schmadel, Lutz D. (2006). "(24105) Broughton [2.34, 0.04, 7.3]". Dictionary of Minor Planet Names – (24105) Broughton, Addendum to Fifth Edition: 2003–2005. Springer Berlin Heidelberg. p. 186. doi:10.1007/978-3-540-34361-5_2178. ISBN   978-3-540-34361-5.
    3. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 24105 Broughton (1999 VE10)" (2016-07-07 last obs.). Jet Propulsion Laboratory . Retrieved 27 June 2017.
    4. 1 2 "Asteroid (24105) Broughton – Proper elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 17 July 2018.
    5. 1 2 "Asteroid 24105 Broughton". Small Bodies Data Ferret. Retrieved 17 July 2018.
    6. 1 2 3 4 5 "LCDB Data for (24105) Broughton". Asteroid Lightcurve Database (LCDB). Retrieved 31 July 2016.
    7. 1 2 3 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv: 1504.04041 . Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75.
    8. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 31 July 2016.
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