10476 Los Molinos

Last updated
10476 Los Molinos
Discovery [1]
Discovered by S. J. Bus
Discovery site Siding Spring Obs.
Discovery date2 March 1981
Designations
(10476) Los Molinos
Named after
 Los Molinos Observatory [2]
(Uruguayan observatory)
1981 EY38 ·1978 NB3
main-belt  ·(inner) [3]
background [4]
Orbital characteristics [1]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc 39.31 yr (14,358 days)
Aphelion 2.9165 AU
Perihelion 1.7185 AU
2.3175 AU
Eccentricity 0.2585
3.53 yr (1,289 days)
95.559°
0° 16m 45.84s / day
Inclination 9.4472°
249.86°
38.678°
Physical characteristics
Dimensions2.853±0.014 km [5] [6]
2.96 km (calculated) [3]
267.906±1.9703 h [7]
0.20 (assumed) [3]
0.3424±0.0425 [5] [6]
S [3]
14.4 [6]  ·14.556±0.003(R) [7]  ·14.6 [1]  ·15.01 [3]  ·15.33±0.50 [8]

    10476 Los Molinos, provisional designation 1981 EY38, is a stony background asteroid and slow rotator from the inner regions of the asteroid belt, approximately 2.9 kilometers (1.8 miles) in diameter. It was discovered on 2 March 1981, by American astronomer Schelte Bus at the Siding Spring Observatory in Australia. The asteroid was named for the Los Molinos Observatory in Uruguay. [2]

    Contents

    Orbit and classification

    Los Molinos is a non-family asteroid from the main belt's background population. [4] It orbits the Sun in the inner asteroid belt at a distance of 1.7–2.9  AU once every 3 years and 6 months (1,289 days; semi-major axis of 2.32 AU). Its orbit has an eccentricity of 0.26 and an inclination of 9° with respect to the ecliptic. [1] The body's observation arc begins with its first observations as 1978 NB3 at Crimea–Nauchnij in July 1978. [2]

    Physical characteristics

    Based on its high albedo and its location within the asteroid belt, Los Molinos is an assumed S-type asteroid. [3]

    Rotation period

    In August 2010, a rotational lightcurve of Los Molinos was obtained from photometric observations in the R-band by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 267.906±1.9703 hours with a brightness amplitude of 0.33 magnitude ( U=2 ). [7] This makes Los Molinos one of the top 200 slow rotators known to exist. [3]

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Los Molinos measures 2.853 kilometers in diameter and its surface has a high albedo of 0.34. [5] [6]

    The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 2.96 kilometers based on an absolute magnitude of 15.01. [3]

    Naming

    This minor planet was named after the Los Molinos Observatory ( 844 ) located near Montevideo in Uruguay. The observatory is known for its astrometric follow-up observations of asteroids and comets. [2] The official naming citation was published by the Minor Planet Center on 13 April 2017 ( M.P.C. 103975/103976). [9]

    Related Research Articles

    2026 Cottrell, provisional designation 1955 FF, is a dark asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter.

    1120 Cannonia, provisional designation 1928 RV, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. Discovered by Pelageya Shajn at Simeiz in 1928, it was named after American astronomer Annie Jump Cannon.

    <span class="mw-page-title-main">9994 Grotius</span> Rafita asteroid

    9994 Grotius, provisional designation 4028 P-L, is a stony Rafita asteroid from the middle regions of the asteroid belt, approximately 3.5 kilometers in diameter. It was discovered during the Palomar–Leiden survey in 1960, and named after Dutch jurist Hugo Grotius.

    <span class="mw-page-title-main">9991 Anežka</span> Asteroid

    9991 Anežka, provisional designation 1997 TY7, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 10 kilometers in diameter.

    2751 Campbell, provisional designation 1962 RP, is a stony Nysian asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter.

    9549 Akplatonov, provisional designation 1985 SM2, is an Eunomia asteroid from the central region of the asteroid belt, approximately 8.2 kilometers (5.1 miles) in diameter. It was discovered on 19 September 1985, by Soviet–Russian astronomer couple Nikolai and Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. The likely S-type asteroid has a relatively short rotation period of 2.8 hours. It was named for Russian computational mathematician Aleksandr Platonov.

    15258 Alfilipenko, provisional designation 1990 RN17, is a carbonaceous background asteroid from the outer region of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 15 September 1990, by Russian–Ukraininan astronomer Lyudmila Zhuravleva at the Crimean Astrophysical Observatory, Nauchnyj, on the Crimean peninsula. The asteroid was named after Russian civil engineer Aleksandr Filipenko.

    2033 Basilea, provisional designation 1973 CA, is a stony asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 6 February 1973, by astronomer Paul Wild at the Zimmerwald Observatory near Bern, Switzerland. The asteroid was named for the Swiss city of Basel.

    <span class="mw-page-title-main">5635 Cole</span> Main-belt asteroid

    5635 Cole (prov. designation: 1981 ER5) is a background asteroid from the inner regions of the asteroid belt, approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 2 March 1981, by American astronomer Schelte Bus at the Siding Spring Observatory in Australia. The L/S-type asteroid has a rotation period of 5.79 hours. It was named after the fictional character Joshua Cole.

    9298 Geake, provisional designation 1985 JM, is a Mitidika asteroid from the central regions of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 15 May 1985, by American astronomer Edward Bowell at Lowell Observatory's Anderson Mesa Station near Flagstaff, Arizona, United States. The asteroid was named for British astronomer John E. Geake.

    1267 Geertruida, provisional designation 1930 HD, is a carbonaceous background asteroid from the inner regions of the asteroid belt, approximately 20 kilometers in diameter. Discovered by astronomer Hendrik van Gent at Johannesburg Observatory in 1930, the asteroid was later named after Geertruid Pels, sister of Dutch astronomer Gerrit Pels.

    4904 Makio, provisional designation 1989 WZ, is a stony asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered by Japanese astronomers Yoshikane Mizuno and Toshimasa Furuta at Kani Observatory on 21 November 1989. It was named after Japanese astronomer Makio Akiyama.

    21795 Masi (provisional designation 1999 SN9) is a Nysian asteroid from the inner regions of the asteroid belt, approximately 3 kilometers (2 miles) in diameter. It was discovered on 29 September 1999, by Italian amateur astronomer Franco Mallia at the Campo Catino Astronomical Observatory in Lazio, Italy. The likely S-type asteroid has a rotation period of 13.86 hours. It was named for Italian astronomer Gianluca Masi.

    <span class="mw-page-title-main">4606 Saheki</span> Main belt asteroid

    4606 Saheki, provisional designation 1987 UM1, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter.

    2169 Taiwan, provisional designation 1964 VP1, is a carbonaceous Astridian asteroid from the central regions of the asteroid belt, approximately 17 kilometers in diameter. It was discovered on 9 November 1964, by astronomers at the Purple Mountain Observatory near Nanking, China. It was named for Taiwan.

    3823 Yorii, provisional designation 1988 EC1, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 11 kilometers in diameter.

    4760 Jia-xiang, provisional designation 1981 GN1, is a background asteroid from the inner regions of the asteroid belt, approximately 5 kilometers (3 miles) in diameter. It was discovered on 1 April 1981, by astronomers at Harvard University's Oak Ridge Observatory in Massachusetts, United States. The presumed stony S-type asteroid was named after Chinese astronomer Zhang Jiaxiang. It has a rotation period of 14.96 hours.

    7204 Ondřejov, provisional designation 1995 GH, is a stony asteroid from the middle region of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 3 April 1995, by Czech astronomer Petr Pravec at Ondřejov Observatory near Prague, Czech Republic.

    8026 Johnmckay, provisional designation 1991 JA1, is a binary Hungaria asteroid and very slow rotator from the inner regions of the asteroid belt, approximately 2 kilometers in diameter. It was discovered on 8 May 1991, by American astronomer Eleanor Helin at the U.S. Palomar Observatory, California, and later named for NASA test pilot John B. McKay.

    31179 Gongju (provisional designation 1997 YR2) is a stony Nysian asteroid from the inner regions of the asteroid belt, approximately 5 kilometers (3 miles) in diameter. It was discovered on 21 December 1997, by Japanese amateur astronomer Naoto Sato at his Chichibu Observatory near Tokyo, central Japan. The S-type asteroid has a rotation period of 4.8 hours and possibly an elongated shape. It was named for the South Korean city of Gongju.

    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 10476 Los Molinos (1981 EY38)" (2017-10-30 last obs.). Jet Propulsion Laboratory . Retrieved 20 February 2018.
    2. 1 2 3 4 "10476 Los Molinos (1981 EY38)". Minor Planet Center. Retrieved 20 February 2018.
    3. 1 2 3 4 5 6 7 8 "LCDB Data for (10476) Los Molinos". Asteroid Lightcurve Database (LCDB). Retrieved 20 February 2018.
    4. 1 2 "Asteroid 10476 Los Molinos – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
    5. 1 2 3 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.
    6. 1 2 3 4 Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv: 1109.6407 . Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90.
    7. 1 2 3 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv: 1504.04041 . Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75.
    8. ↑ Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv: 1506.00762 . Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007.
    9. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 20 February 2018.
    This page is based on this Wikipedia article
    Text is available under the CC BY-SA 4.0 license; additional terms may apply.
    Images, videos and audio are available under their respective licenses.