1824 Haworth

1824 Haworth (prov. designation: 1952 FM) is an asteroid from the outer region of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 30 March 1952, by Indiana University's Indiana Asteroid Program at its Goethe Link Observatory near Brooklyn, Indiana, United States, and named after physicist Leland John Haworth.[2][4]

1824 Haworth
Shape model of Haworth from its lightcurve
Discovery [1]
Discovered byIndiana University
(Indiana Asteroid Program)
Discovery siteGoethe Link Obs.
Discovery date30 March 1952
Designations
(1824) Haworth
Named after
Leland J. Haworth
(American physicist)[2]
1952 FM · 1942 GC
1951 CA · 1952 HW
1957 HQ · 1957 LA
1974 XA
main-belt · (outer)
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc110.25 yr (40,268 days)
Aphelion3.0071 AU
Perihelion2.7603 AU
2.8837 AU
Eccentricity0.0428
4.90 yr (1,789 days)
245.95°
0° 12m 4.68s / day
Inclination1.9299°
15.034°
69.949°
Physical characteristics
Dimensions14.169±0.197 km[3]
0.266±0.045[3]
11.4[1]

    Orbit and classification

    Haworth orbits the Sun in the outer main-belt at a distance of 2.8–3.0 AU once every 4 years and 11 months (1,789 days). Its orbit has an eccentricity of 0.04 and an inclination of 2° with respect to the ecliptic.[1]

    Its first precovery was taken at Lowell Observatory in 1906, extending the body's observation arc by 46 years prior to its official discovery observation at Goethe Link.[4]

    Naming

    It was named in honor of American particle physicist Leland John Haworth (1904–1979), a graduate of Indiana University and second director of the National Science Foundation.[2]

    His long and varied career included teaching and serving as member of the Atomic Energy Commission, as vice-president and president of Associated Universities, Inc., and as director of the Brookhaven National Laboratory. His negotiations were instrumental for the funding of a 4-meter telescope at the Cerro Tololo Interamerican Observatory.[2] The official naming citation was published by the Minor Planet Center on 18 April 1977 (M.P.C. 4156).[5]

    Physical characteristics

    According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Haworth measures 14.17 kilometers in diameter and its surface has an albedo of 0.266.[3] As of 2017, its composition, rotation period and shape remain unknown.

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    References
    1. "JPL Small-Body Database Browser: 1824 Haworth (1952 FM)" (2017-03-17 last obs.). Jet Propulsion Laboratory. Retrieved 8 June 2017.
    2. Schmadel, Lutz D. (2007). "(1824) Haworth". Dictionary of Minor Planet Names – (1824) Haworth. Springer Berlin Heidelberg. p. 146. doi:10.1007/978-3-540-29925-7_1825. ISBN 978-3-540-00238-3.
    3. Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121. Retrieved 15 December 2016.
    4. "1824 Haworth (1952 FM)". Minor Planet Center. Retrieved 15 December 2016.
    5. Schmadel, Lutz D. (2009). "Appendix – Publication Dates of the MPCs". Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008). Springer Berlin Heidelberg. p. 221. doi:10.1007/978-3-642-01965-4. ISBN 978-3-642-01964-7.

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