836 Jole

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836 Jole
Discovery  [1]
Discovered by M. F. Wolf
Discovery site Heidelberg Obs.
Discovery date23 September 1916
Designations
(836) Jole
Pronunciation /ˈdʒoʊliː/
Named after
 Iole wife of Heracles
(Greek mythology) [2]
A916 SJ ·A903 QA
1916 AF ·1903 QA
main-belt   [1] [3]  ·(inner)
background   [4] [5]
Orbital characteristics   [3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc 116.07 yr (42,394 d)
Aphelion 2.5751 AU
Perihelion 1.8048 AU
2.1900 AU
Eccentricity 0.1759
3.24 yr (1,184 d)
340.45°
0° 18m 14.76s / day
Inclination 4.8449°
199.76°
179.78°
Physical characteristics
Mean diameter
5.757±0.062 km [6] [7]
9.615±0.005  h [8] [lower-alpha 1]
0.194±0.028 [6] [7]
S (SDSS-MOC) [9]
13.20 [1] [3]

    836 Jole ( prov. designation:A916 SJor1916 AF) is a bright background asteroid from the inner regions of the asteroid belt. It was discovered on 23 September 1916, by German astronomer Max Wolf at the Heidelberg Observatory in southwest Germany. [1] The stony S-type asteroid has a rotation period of 9.6 hours and measures approximately 5.8 kilometers (3.6 miles) in diameter. It was named after Iole, wife of Heracles from Greek mythology. [2]

    Contents

    Orbit and classification

    Located in the orbital region of the Flora family, [10] Jole is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements. [4] [5] It orbits the Sun in the inner asteroid belt at a distance of 1.8–2.6  AU once every 3 years and 3 months (1,184 days; semi-major axis of 2.19 AU). Its orbit has an eccentricity of 0.18 and an inclination of 5° with respect to the ecliptic. [3] The asteroid was first observed as A903 QA at Heidelberg Observatory on 24 August 1903, where the body's observation arc begins on the following night. [1]

    Naming

    Based on Lutz Schmadel's own research, this minor planet was named from Greek mythology, after Iole, daughter of King Eurytus of Oechalia and wife by force of divine hero Heracles. The naming was not mentioned in The Names of the Minor Planets by Paul Herget in 1955. [2]

    Physical characteristics

    In the SDSS-based taxonomy, Jole is a common, stony S-type asteroid. [9]

    Rotation period

    In September 2010, a rotational lightcurve of Jole was obtained from photometric observations by Daniel Coley at the DanHenge Observatory ( U80 ) at the Center for Solar System Studies. Lightcurve analysis gave a well-defined rotation period of 9.615±0.005 hours with a brightness variation of 0.37±0.02 magnitude ( U=3 ). [8] [lower-alpha 1]

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), Jole measures 5.757±0.062 kilometers in diameter and its surface has an albedo of 0.194±0.028. [6] [7] Alternative mean-diameters published by the WISE team includes (5.142±0.038  km ) and (5.62±0.17 km) with corresponding albedos of (0.2402±0.0283) and (0.293±0.029). [5] [10] The Collaborative Asteroid Lightcurve Link assumes an albedo for a Florian asteroid of 0.24 and calculates a diameter of 6.21 kilometers based on an absolute magnitude of 13.2. [10]

    Notes

    1. 1 2 Lightcurve plot of (836) Jole by Daniel Coley at the DanHenge Observatory ( U80 ). Rotation period of 9.615±0.005 hours with a brightness amplitude of 0.37±0.02 mag. Quality code is 3. Summary figures at the LCDB and CS3.

    Related Research Articles

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    <span class="mw-page-title-main">842 Kerstin</span>

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    <span class="mw-page-title-main">856 Backlunda</span>

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    1015 Christa, provisional designation 1924 QF, is a dark background asteroid from the outermost regions of the asteroid belt, approximately 96 kilometers in diameter. It was discovered on 31 January 1924, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The meaning of this asteroids's name is unknown.

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    1541 Estonia, provisional designation 1939 CK, is an asteroid from the central regions of the asteroid belt, approximately 21 kilometers in diameter. It was discovered on 12 February 1939, by astronomer Yrjö Väisälä at the Iso-Heikkilä Observatory near Turku, Finland. The asteroid was named after the Baltic country of Estonia.

    1990 Pilcher, provisional designation 1956 EE, is a stony background asteroid from the Florian region of the inner asteroid belt, approximately 7 kilometers in diameter. It was discovered on 9 March 1956, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in Heidelberg, Germany. In 1982, it was named by the MPC for American physicist and photometrist Frederick Pilcher. The S-type asteroid has a short rotation period of 2.8 hours.

    1269 Rollandia, provisional designation 1930 SH, is a dark Hildian asteroid from the outermost region of the asteroid belt, approximately 105 kilometers (65 mi) in diameter. It was discovered on 20 September 1930, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The asteroid was named after French writer Romain Rolland. The D-type asteroid has a rotation period of 17.4 hours. It was one of the last 100-kilometer sized asteroids discovered in the main belt.

    16525 Shumarinaiko, provisional designation 1991 CU2, is a stony Nysian asteroid and synchronous binary system from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 14 February 1991, by Japanese astronomers Kin Endate and Kazuro Watanabe at the Kitami Observatory on the island of Hokkaidō in northern Japan. The asteroid was named after the Japanese Lake Shumarinai. Its sub-kilometer sized minor-planet moon was discovered in 2013.

    1847 Stobbe, provisional designation A916 CA, is an asteroid from the middle region of the asteroid belt, approximately 23 kilometers in diameter.

    3345 Tarkovskij, provisional designation 1982 YC1, is a carbonaceous background asteroid from the inner regions of the asteroid belt, approximately 22 kilometers (14 miles) in diameter. It was discovered on 23 December 1982, by Russian astronomer Lyudmila Karachkina at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula, and named after filmmaker Andrei Tarkovsky. The C-type asteroid is a slow rotator with a rotation period of 187 hours.

    1535 Päijänne, provisional designation 1939 RC, is an asteroid from the outer region of the asteroid belt, approximately 25 kilometers in diameter. It was discovered on 9 September 1939, by Finnish astronomer Yrjö Väisälä at the Turku Observatory in Southwest Finland. It was later named for Lake Päijänne.

    References

    1. 1 2 3 4 5 "836 Jole (A916 SJ)". Minor Planet Center. Retrieved 9 March 2020.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(836) Jole". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 77. doi:10.1007/978-3-540-29925-7_837. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 "JPL Small-Body Database Browser: 836 Jole (A916 SJ)" (2019-09-18 last obs.). Jet Propulsion Laboratory . Retrieved 9 March 2020.
    4. 1 2 "Asteroid 836 Jole – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 9 March 2020.
    5. 1 2 3 "Asteroid 836 Jole". Small Bodies Data Ferret. Retrieved 9 March 2020.
    6. 1 2 3 Mainzer, A. K.; Bauer, J. M.; Cutri, R. M.; Grav, T.; Kramer, E. A.; Masiero, J. R.; et al. (June 2016). "NEOWISE Diameters and Albedos V1.0". NASA Planetary Data System. Bibcode:2016PDSS..247.....M . Retrieved 9 March 2020.
    7. 1 2 3 Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv: 1406.6645 . Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121.
    8. 1 2 Coley, Daniel (January 2011). "The Lightcurve for Asteroid 836 Jole" (PDF). Minor Planet Bulletin. 38 (1): 12–13. Bibcode:2011MPBu...38...12C. ISSN   1052-8091.
    9. 1 2 Carvano, J. M.; Hasselmann, P. H.; Lazzaro, D.; Mothé-Diniz, T. (February 2010). "SDSS-based taxonomic classification and orbital distribution of main belt asteroids". Astronomy and Astrophysics. 510: 12. Bibcode:2010A&A...510A..43C. doi: 10.1051/0004-6361/200913322 . Retrieved 9 March 2020. (PDS data set)
    10. 1 2 3 "LCDB Data for (836) Jole". Asteroid Lightcurve Database (LCDB). Retrieved 9 March 2020.
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