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3917 Franz Schubert, provisional designation 1961 CX, is a bright background asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 15 February 1961, by astronomer Freimut Börngen at the Karl Schwarzschild Observatory in Tautenburg, Germany.[2] The asteroid was named after Austrian composer Franz Schubert.[3]

Orbit and classification

Franz Schubert is a non-family asteroid from the main belt's background population.[4] It orbits the Sun in the inner main-belt at a distance of 2.3–2.4 AU once every 3 years and 7 months (1,323 days; semi-major axis of 2.36 AU). Its orbit has an eccentricity of 0.02 and an inclination of 2° with respect to the ecliptic.[1]

The body's observation arc begins with its official discovery observation at Tautenburg in February 1961.[2]

Physical characteristics

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Franz Schubert measures 5.129 kilometers in diameter and its surface has a high albedo of 0.321.[5]

Rotation period

As of 2017, no rotational lightcurve of Franz Schubert has been from photometric observations. The asteroid's rotation period, shape and poles remain unknown.[1][6]

Naming

This minor planet was named after Austrian composer Franz Schubert (1797–1828).[3] The official naming citation was published by the Minor Planet Center on 20 February 1989 (M.P.C. 14208).[7]

References

  1. ^ a b c d e "JPL Small-Body Database Browser: 3917 Franz (1961 CX)" (2017-10-30 last obs.). Jet Propulsion Laboratory. Retrieved 17 November 2017.
  2. ^ a b c "3917 Franz (1961 CX)". Minor Planet Center. Retrieved 17 November 2017.
  3. ^ a b c Schmadel, Lutz D. (2007). "(3917) Franz Schubert". Dictionary of Minor Planet Names – (3917) Franz Schubert. Springer Berlin Heidelberg. p. 333. doi:10.1007/978-3-540-29925-7_3906. ISBN 978-3-540-00238-3.
  4. ^ a b "Asteroid 3917 Franz Schubert – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
  5. ^ a b c 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 17 November 2017.
  6. ^ "Asteroid is not in the LCDB (Data request for (3917) Franz Schubert)". Asteroid Lightcurve Database (LCDB). Retrieved 17 November 2017.
  7. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 17 November 2017.

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