1827 Atkinson

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1827 Atkinson
Discovery [1]
Discovered by Indiana University
(Indiana Asteroid Program)
Discovery site Goethe Link Obs.
Discovery date7 September 1962
Designations
(1827) Atkinson
Named after
Robert d'Escourt Atkinson
(British astronomer) [2]
1962 RK ·1931 VC
1955 FL ·1967 TL
1973 EQ
main-belt  ·(middle)
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 85.41 yr (31,196 days)
Aphelion 3.1907 AU
Perihelion 2.2291 AU
2.7099 AU
Eccentricity 0.1774
4.46 yr (1,629 days)
43.640°
0° 13m 15.24s / day
Inclination 4.5222°
220.56°
239.58°
Physical characteristics
Dimensions8.855±0.301 km [3]
0.249±0.052 [3]
Tholen = DU [1]
B–V = 0.807 [1]
12.39 [1]

    1827 Atkinson, provisional designation 1962 RK, is a background asteroid from the central regions of the asteroid belt, approximately 9 kilometers in diameter. It was discovered on 7 September 1962, by IU's Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States. [4] The asteroid was named after British astronomer Robert d'Escourt Atkinson. [2]

    Contents

    Orbit and classification

    Atkinson is not a member of any known asteroid family. [5] It orbits the Sun in the central main-belt at a distance of 2.2–3.2  AU once every 4 years and 6 months (1,629 days). Its orbit has an eccentricity of 0.18 and an inclination of 5° with respect to the ecliptic. [1]

    The body's observation arc begins with its first identification as 1931 VC at Uccle Observatory in November 1931, almost 31 years prior to its official discovery observation at Goethe Link. [4]

    Physical characteristics

    In the Tholen classification, Atkinson is similar to a dark D-type asteroid, though with an unusual spectrum (DU). [1] This strongly disagrees with the albedo obtained by the Wide-field Infrared Survey Explorer (WISE), which indicates that is rather a stony S-type asteroid. [3]

    Rotation period

    As of 2017, no rotational lightcurve of Atkinson has been obtained from photometric observations. The asteroid's rotation period, shape and poles remain unknown. [1] [5]

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Atkinson measures 8.855 kilometers in diameter and its surface has an albedo of 0.249. [3]

    Naming

    This minor planet was named after British astronomer, physicist and inventor, Robert d'Escourt Atkinson (1898–1982), noted for his contributions to fundamental astronomy. Atkinson pioneered in studying nuclear energy-generation in the Sun and stars. [2] The official naming citation was published by the Minor Planet Center on 15 October 1977 ( M.P.C. 4236). [6]

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    References

    1. 1 2 3 4 5 6 7 8 "JPL Small-Body Database Browser: 1827 Atkinson (1962 RK)" (2017-03-29 last obs.). Jet Propulsion Laboratory . Retrieved 5 September 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(1827) Atkinson". Dictionary of Minor Planet Names – (1827) Atkinson. Springer Berlin Heidelberg. p. 146. doi:10.1007/978-3-540-29925-7_1828. ISBN   978-3-540-00238-3.
    3. 1 2 3 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 5 September 2017.
    4. 1 2 "1827 Atkinson (1962 RK)". Minor Planet Center. Retrieved 5 September 2017.
    5. 1 2 "LCDB Data for (1827) Atkinson". Asteroid Lightcurve Database (LCDB). Retrieved 5 September 2017.
    6. Schmadel, Lutz D. (2009). "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.