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1066 Lobelia, provisional designation 1926 RA, is a bright background asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 1 September 1926, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in Germany. The asteroid was named after the flowering plant Lobelia (lobelias).

Orbit and classification

Lobelia is a non-family asteroid from the main belt's background population. It orbits the Sun in the inner main-belt at a distance of 1.9–2.9 AU once every 3 years and 9 months (1,360 days; semi-major axis of 2.40 AU). Its orbit has an eccentricity of 0.21 and an inclination of 5° with respect to the ecliptic.

The asteroid was first observed at Heidelberg as A911 QB in August 1911. The body's observation arc begins at Simeiz Observatory in October 1926, one month after its official discovery observation at Heidelberg.

Physical characteristics

The asteroid's spectral type is unknown.

Rotation period

As of 2017, no rotational lightcurve of Lobelia was obtained from photometric observations. The body's rotation period, spin axis and shape remain unknown.

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Lobelia measures 6.014 kilometers in diameter and its surface has a high albedo of 0.488.

Naming

This minor planet was named after the Indian tobacco flower, Lobelia, a genus of flowering plants also known as lobelias. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 101).

Reinmuth's flowers

Due to his many discoveries, Karl Reinmuth submitted a large list of 66 newly named asteroids in the early 1930s. The list covered his discoveries with numbers between (1009) and (1200). This list also contained a sequence of 28 asteroids, starting with 1054 Forsytia, that were all named after plants, in particular flowering plants (also see list of minor planets named after animals and plants).

References

1. ^ "JPL Small-Body Database Browser: 1066 Lobelia (1926 RA)" (2017-11-28 last obs.). Jet Propulsion Laboratory. Retrieved 11 December 2017.
2. "lobelia". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
3. ^ Schmadel, Lutz D. (2007). "(1066) Lobelia". Dictionary of Minor Planet Names – (1066) Lobelia. Springer Berlin Heidelberg. p. 91. doi:10.1007/978-3-540-29925-7_1067. ISBN 978-3-540-00238-3.
4. ^ "1066 Lobelia (1926 RA)". Minor Planet Center. Retrieved 11 December 2017.
5. ^ "Asteroid 1066 Lobelia – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 28 October 2019.
6. ^ 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 December 2017.
7. "LCDB Data for (1066) Lobelia". Asteroid Lightcurve Database (LCDB). Retrieved 11 December 2017.
8. Schmadel, Lutz D. (2007). "(1054) Forsytia". Dictionary of Minor Planet Names – (1054) Forsytia. Springer Berlin Heidelberg. p. 90. doi:10.1007/978-3-540-29925-7_1055. ISBN 978-3-540-00238-3.

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
• 1066 Lobelia at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 1066 Lobelia at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

• Minor planet object articles (numbered)
• Background asteroids
• Discoveries by Karl Wilhelm Reinmuth
• Named minor planets
• Astronomical objects discovered in 1926