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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]

2002 Euler
Shape model of Euler from its lightcurve
Discovery[1]
Discovered byT. Smirnova
Discovery siteCrimean Astrophysical Obs.
Discovery date29 August 1973
Designations
MPC designation
(2002) Euler
Pronunciation/ˈɔɪlər/[2]
Named after
Leonhard Euler
(Swiss mathematician)[3]
Alternative designations
1973 QQ1 · 1938 DW
1942 GJ · 1953 EB
1973 SJ2
Minor planet category
main-belt · (inner)
AdjectivesEulerian /juːˈlɪəriən/[4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc75.04 yr (27,408 days)
Aphelion2.5844 AU
Perihelion2.2512 AU
Semi-major axis
2.4178 AU
Eccentricity0.0689
Orbital period (sidereal)
3.76 yr (1,373 days)
Mean anomaly
0.3273°
Mean motion
0° 15m 43.92s / day
Inclination8.5015°
Longitude of ascending node
178.65°
Argument of perihelion
53.294°
Physical characteristics
Mean diameter
17.4 km[5]
18.838±0.066[6]
Mass5.5×1015 kg[citation needed]
Synodic rotation period
5.9929 h[7][8]
Geometric albedo
0.036±0.003[6]
0.0839±0.015[5]
Spectral type
S[7]
Absolute magnitude (H)
12.4[1] · 12.7[7]

    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]


    References


    1. "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. 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. 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. 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. "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.



    На других языках

    [de] (2002) Euler

    (2002) Euler ist ein Asteroid des Hauptgürtels, der am 29. August 1973 von der russischen Astronomin Tamara Michailowna Smirnowa am Krim-Observatorium in Nautschnyj entdeckt wurde.
    - [en] 2002 Euler

    [es] (2002) Euler

    (2002) Euler es un asteroide perteneciente al cinturón de asteroides descubierto el 29 de agosto de 1973 por Tamara Mijáilnovna Smirnova desde el Observatorio Astrofísico de Crimea, en Naúchni.

    [ru] (2002) Эйлер

    (2002) Эйлер (лат. Euler) — небольшой астероид главного пояса, около 17 километров в диаметре, который был открыт 29 августа 1973 года российским астрономом Тамарой Смирновой в Крымской астрофизической обсерватории в Научном и назван в честь швейцарского, немецкого и российского математика, физика и астронома Леонарда Эйлера (1707—1783). Эйлер провел большую часть своей жизни в Санкт-Петербурге и был связан с российской академией наук[3]. Астероид делает полный оборот вокруг своей оси за 6 часов[2].


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