1824 Haworth

1824 Haworth
	Shape model of Haworth from its lightcurve
Discovery
Discovered by	Indiana University; (Indiana Asteroid Program)
Discovery site	Goethe Link Obs.
Discovery date	30 March 1952
Designations
MPC designation	(1824) Haworth
Named after	Leland J. Haworth; (American physicist)
Alternative designations	1952 FM · 1942 GC; 1951 CA · 1952 HW; 1957 HQ · 1957 LA; 1974 XA
Minor planet category	main-belt · (outer)
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	110.25 yr (40,268 days)
Aphelion	3.0071 AU
Perihelion	2.7603 AU
Semi-major axis	2.8837 AU
Eccentricity	0.0428
Orbital period (sidereal)	4.90 yr (1,789 days)
Mean anomaly	245.95°
Mean motion	0° 12m 4.68s / day
Inclination	1.9299°
Longitude of ascending node	15.034°
Argument of perihelion	69.949°
Physical characteristics
Dimensions	14.169±0.197 km
Geometric albedo	0.266±0.045
Absolute magnitude (H)	11.4

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]

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.

References

^ ^a ^b ^c ^d "JPL Small-Body Database Browser: 1824 Haworth (1952 FM)" (2017-03-17 last obs.). Jet Propulsion Laboratory. Archived from the original on 20 December 2016. Retrieved 8 June 2017.
^ ^a ^b ^c ^d 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.
^ ^a ^b ^c 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.
^ ^a ^b "1824 Haworth (1952 FM)". Minor Planet Center. Retrieved 15 December 2016.
^ 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.

External links

Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
Dictionary of Minor Planet Names, Google books
Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
1824 Haworth at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
1824 Haworth at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

[jpldata-1] "JPL Small-Body Database Browser: 1824 Haworth (1952 FM)" (2017-03-17 last obs.). Jet Propulsion Laboratory. Archived from the original on 20 December 2016. Retrieved 8 June 2017.

[springer-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.

[Masiero-2014-3] 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.

[MPC-Haworth-4] "1824 Haworth (1952 FM)". Minor Planet Center. Retrieved 15 December 2016.

[DoMP-Circular-dates-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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