12002 Suess

12002 Suess, provisional designation 1996 FR1, is an Eoan asteroid from the outer regions of the asteroid belt, about 6 km (3.7 mi) in diameter. It was discovered by Czech astronomers Petr Pravec and Lenka Kotková (Šarounová) at Ondřejov Observatory on 19 March 1996.[5] The asteroid was named after Austrian geologist Franz Eduard Suess.[2]

12002 Suess
Discovery [1]
Discovered byP. Pravec
L. Kotková (Šarounová)
Discovery siteOndřejov Obs.
Discovery date19 March 1996
Designations
(12002) Suess
Named after
Franz Eduard Suess
(Austrian geologist)[2]
1996 FR1
main-belt · (outer)
Eos [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc34.49 yr (12,598 days)
Aphelion3.3477 AU
Perihelion2.6934 AU
3.0205 AU
Eccentricity0.1083
5.25 yr (1,917 days)
270.14°
0° 11m 15.72s / day
Inclination9.4290°
216.62°
98.262°
Physical characteristics
Dimensions6.309±0.347 km[4]
0.177±0.032[4]
13.6[1]

    Orbit and classification

    Suess is a member of the Eos family (606),[3] the largest asteroid family in the outer main belt consisting of nearly 10,000 asteroids.[6]:23 It orbits the Sun at a distance of 2.7–3.3 AU once every 5 years and 3 months (1,917 days). Its orbit has an eccentricity of 0.11 and an inclination of 9° with respect to the ecliptic.[1]

    The body's observation arc begins with a precovery taken by the Digitized Sky Survey at the Siding Spring Observatory in November 1982, almost 14 years prior to its official discovery observation at Ondřejov .[5]

    Physical characteristics

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Suess measures 6.309 km in diameter and its surface has an albedo of 0.177.[4]

    Lightcurves

    As of 2017, no rotational lightcurve of Suess has been obtained from photometric observations. The asteroid's rotation period, poles, and shape remain unknown.[1][7]

    Naming

    This minor planet was named after Austrian geologist Franz Eduard Suess (1867–1941/2), son of geologist Eduard Suess and professor at the Technical College in Prague and superintendent at the Imperial Geological Institute of Vienna. Franz Eduard made fundamental studies on moldavites and coined the term "tektite", which are ejecta from meteor impact events. The official naming citation was published by the Minor Planet Center on 24 January 2000 (M.P.C. 38201).[8] The lunar crater Suess, as well as the crater Suess on Mars, however, are named after his father.[9][10]

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    References
    1. "JPL Small-Body Database Browser: 12002 Suess (1996 FR1)" (2017-05-02 last obs.). Jet Propulsion Laboratory. Retrieved 11 September 2017.
    2. Schmadel, Lutz D. (2007). "(12002) Suess". Dictionary of Minor Planet Names – (12002) Suess. Springer Berlin Heidelberg. p. 774. doi:10.1007/978-3-540-29925-7_8490. ISBN 978-3-540-00238-3.
    3. "Asteroid 12002 Suess – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 27 October 2019.
    4. 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 9 December 2016.
    5. "12002 Suess (1996 FR1)". Minor Planet Center. Retrieved 11 September 2017.
    6. Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). Identification and Dynamical Properties of Asteroid Families. Asteroids IV. pp. 297–321. arXiv:1502.01628. Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 9780816532131.
    7. "LCDB Data for (12002) Suess". Asteroid Lightcurve Database (LCDB). Retrieved 11 September 2017.
    8. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 11 September 2017.
    9. "Gazetteer of Planetary Nomenclature –". USGS Astrogeology Research Program. Archived from the original on 21 August 2017. Retrieved 11 September 2017.
    10. "Gazetteer of Planetary Nomenclature –". USGS Astrogeology Research Program. Archived from the original on 11 August 2017. Retrieved 11 September 2017.

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