2002 Euler

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2002 Euler
002002-asteroid shape model (2002) Euler.png
Shape model of Euler from its lightcurve
Discovery [1]
Discovered by T. Smirnova
Discovery site Crimean Astrophysical Obs.
Discovery date29 August 1973
Designations
(2002) Euler
Pronunciation /ˈɔɪlər/ [2]
Named after
 Leonhard Euler
(Swiss mathematician) [3]
1973 QQ1 ·1938 DW
1942 GJ ·1953 EB
1973 SJ2
main-belt  ·(inner)
Adjectives Eulerian /juːˈlɪəriən/ [4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 75.04 yr (27,408 days)
Aphelion 2.5844 AU
Perihelion 2.2512 AU
2.4178 AU
Eccentricity 0.0689
3.76 yr (1,373 days)
0.3273°
0° 15m 43.92s / day
Inclination 8.5015°
178.65°
53.294°
Physical characteristics
17.4 km [5]
18.838±0.066 [6]
Mass 5.5×1015 kg[ citation needed ]
5.9929 h [7] [8]
0.036±0.003 [6]
0.0839±0.015 [5]
S [7]
12.4 [1]  ·12.7 [7]

    2002 Euler is a stony background asteroid from the inner regions of the asteroid belt, approximately 17 kilometers (11 miles) in diameter. It was discovered on 29 August 1973, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj, and assigned the prov. designation 1973 QQ1. It was named after Swiss mathematician Leonhard Euler. [3] [9]

    Contents

    Orbit and characterization

    Euler is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements. It orbits the Sun at a distance of 2.3–2.6  AU once every 3 years and 9 months (1,373 days). Its orbit has an eccentricity of 0.07 and an inclination of 9° with respect to the ecliptic. [1]

    Naming

    This minor planet was named after Swiss mathematician, physicist and astronomer Leonhard Euler (1707–1783). His contributions to astronomy included two theories for the motion of the Moon. Euler spent much of his time in St. Petersburg and was associated with the Russian Academy of Sciences. [3] The official naming citation was published by the Minor Planet Center on 15 October 1977 ( M.P.C. 4238). [10]

    Physical characteristics

    Diameter and albedo

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Euler measures between 14.49 and 19.773 kilometers in diameter and its surface has an albedo between 0.0416 and 0.0839. The Collaborative Asteroid Lightcurve Link adopts Petr Pravec's revised WISE-data, that is, an albedo of 0.0375 and a diameter of 19.78 kilometers with an absolute magnitude of 12.7. [7]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 2002 Euler (1973 QQ1)" (2017-05-01 last obs.). Jet Propulsion Laboratory. Archived from the original on 15 December 2019. Retrieved 17 June 2017.
    2. ↑ "Euler" . Oxford English Dictionary (Online ed.). Oxford University Press.(Subscription or participating institution membership required.)
    3. 1 2 3 Schmadel, Lutz D. (2007). "(2002) Euler". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 162. doi:10.1007/978-3-540-29925-7_2003. ISBN   978-3-540-00238-3.
    4. ↑ "Eulerian" . Oxford English Dictionary (Online ed.). Oxford University Press.(Subscription or participating institution membership required.)
    5. 1 2 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T . Retrieved 22 October 2019.
    6. 1 2 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 June 2017.
    7. 1 2 3 4 "LCDB Data for (2002) Euler". Asteroid Lightcurve Database (LCDB). Retrieved 17 June 2017.
    8. ↑ Behrend, Raoul. "Asteroids and comets rotation curves – (2002) Euler". Geneva Observatory . Retrieved 17 June 2017.
    9. ↑ "2002 Euler (1973 QQ1)". Minor Planet Center. Retrieved 17 June 2017.
    10. ↑ Schmadel, Lutz D. "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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