17683 Kanagawa

17683 Kanagawa, prov. designation: 1997 AR16, is a carbonaceous background asteroid from the outer region of the asteroid belt, approximately 22 kilometers (14 miles) in diameter. It was discovered on 10 January 1997, by Japanese astronomer Atsuo Asami at the Hadano Observatory, located 60 kilometers southwest of Tokyo, Japan.[1] The asteroid was later named after the Japanese Kanagawa Prefecture.[2]

17683 Kanagawa
Discovery[1]
Discovered byA. Asami
Discovery siteHadano Obs.
Discovery date10 January 1997
Designations
(17683) Kanagawa
Named after
Kanagawa Prefecture
(Japanese Prefecture)[2]
1997 AR16 · 1999 RE21
main-belt · (outer)[3]
background
Orbital characteristics[4]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc20.30 yr (7,415 days)
Aphelion3.4566 AU
Perihelion2.5108 AU
2.9837 AU
Eccentricity0.1585
5.15 yr (1,882 days)
332.02°
0° 11m 28.32s / day
Inclination18.298°
358.73°
194.71°
Physical characteristics
Dimensions16.82±0.30 km[5]
18.84±0.36 km[6]
22.08±2.1 km (IRAS:2)[4]
22.10 km (derived)[3]
5.895±0.004 h[7]
0.0302±0.007 (IRAS:2)[4]
0.0330 (derived)[3]
0.043±0.002[6]
0.062±0.013[5]
C[3]
12.7[4][6] · 12.6[3] · 12.50[5]

    Orbit and classification

    Kanagawa orbits the Sun in the outer main-belt at a distance of 2.5–3.5 AU once every 5 years and 2 months (1,882 days). Its orbit has an eccentricity of 0.16 and an inclination of 18° with respect to the ecliptic.[4] No precoveries were taken prior to its discovery. The asteroid's observation arc begins with its official discovery observation at Hadano.[1]

    Naming

    This minor planet was named after the Japanese Kanagawa Prefecture, in which the city of Hadano with its discovering observatory is located. Also located in the east of Kanagawa Prefecture, are the industrial cities of Yokohama and Kawasaki, the second and ninth biggest city of the country, respectively, and vital centers of Japan's economy. The discoverer, Atsuo Asami, graduated at Kanagawa University.[2] The official naming citation was published by the Minor Planet Center on 9 March 2001 (M.P.C. 42365).[8]

    Physical characteristics

    Lightcurves

    In October 2009, a rotational lightcurve of Kanagawa was obtained at the Wise Observatory in Israel. The photometric observations rendered a well-defined rotation period of 5.895±0.004 hours with a brightness variation of 0.4 magnitude (U=3).[7]

    Diameter and albedo

    According to the space-based 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, Kanagawa has a low albedo between 0.030 and 0.062, and a diameter of 16.8 to 22.1 kilometers.[4][5][6] The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, and derives a carbonaceous albedo of 0.033 with a diameter of 22.1 kilometers and an absolute magnitude of 12.6.[3]

    References
    1. "17683 Kanagawa (1997 AR16)". Minor Planet Center. Retrieved 1 January 2016.
    2. Schmadel, Lutz D. (2007). "(17683) Kanagawa". Dictionary of Minor Planet Names – (17683) Kanagawa. Springer Berlin Heidelberg. p. 848. doi:10.1007/978-3-540-29925-7_9439. ISBN 978-3-540-00238-3.
    3. "LCDB Data for (17683) Kanagawa". Asteroid Lightcurve Database (LCDB). Retrieved 17 May 2016.
    4. "JPL Small-Body Database Browser: 17683 Kanagawa (1997 AR16)" (2017-04-30 last obs.). Jet Propulsion Laboratory. Retrieved 26 June 2017.
    5. Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 17 May 2016.
    6. Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
    7. Polishook, David (April 2010). "Lightcurves and Spin Periods from the Wise Observatory - 2009". The Minor Planet Bulletin. 37 (2): 65–69. Bibcode:2010MPBu...37...65P. ISSN 1052-8091. Retrieved 17 May 2016.
    8. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 17 May 2016.
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