3917 Franz Schubert

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]

3917 Franz Schubert
Discovery [1][2]
Discovered byF. Börngen
Discovery siteKarl Schwarzschild Obs.
Discovery date15 February 1961
Designations
(3917) Franz Schubert
Named after
Franz Schubert [3]
(Austrian composer)
1961 CX · 1976 GT2
1977 RU1 · 1981 TY3
1987 HU1
main-belt · (inner)
background [4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc56.70 yr (20,711 days)
Aphelion2.4102 AU
Perihelion2.3064 AU
2.3583 AU
Eccentricity0.0220
3.62 yr (1,323 days)
278.00°
0° 16m 19.56s / day
Inclination2.4275°
137.12°
298.90°
Physical characteristics
Dimensions5.129±0.123 km[5]
0.321±0.041[5]
13.6[1]

    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]

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    References
    1. "JPL Small-Body Database Browser: 3917 Franz (1961 CX)" (2017-10-30 last obs.). Jet Propulsion Laboratory. Retrieved 17 November 2017.
    2. "3917 Franz (1961 CX)". Minor Planet Center. Retrieved 17 November 2017.
    3. 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. "Asteroid 3917 Franz Schubert – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
    5. 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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