515 Athalia

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515 Athalia
Discovery  [1]
Discovered by M. F. Wolf
Discovery site Heidelberg Obs.
Discovery date20 September 1903
Designations
(515) Athalia
Pronunciation /æθəˈlaɪə/ [2]
Named after
 Athaliah
(ancient queen consort) [3]
1903 ME ·1931 TQ
1937 WO ·1937 WQ
1937 WR ·1937 YH
1953 TD ·1974 QA3
1977 CF
main-belt  ·(outer)
Themis   [4] [5]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 113.79 yr (41,562 days)
Aphelion 3.6671 AU
Perihelion 2.5797 AU
3.1234 AU
Eccentricity 0.1741
5.52 yr (2,016 days)
178.72°
0° 10m 42.96s / day
Inclination 2.0376°
121.11°
300.16°
Physical characteristics
Dimensions32.75±10.79 km [6]
33.47±10.06 km [7]
38.22 km (SIMPS) [4]
38.80±0.66 km [8]
39.76±1.38 km [9]
41.190±0.146 km [10]
43.0±0.2 km [11]
45.280±0.399 km [12]
10.636±0.001 h [13]
0.0278±0.0045 [12]
0.031±0.006 [11]
0.037±0.003 [9]
0.038±0.005 [8]
0.039±0.004 [10]
0.0390 (SIMPS) [4]
0.06±0.03 [7]
0.07±0.11 [6]
Tholen = no classification possible  [1]
SMASS = Cb  [1]
B–V = 0.875  [1]
U–B = 0.415  [1]
10.6 [11]  ·10.76±0.26 [14]  ·10.89 [6]  ·11.23 [1] [4] [7] [8] [9] [12]

    Athalia (minor planet designation: 515 Athalia), provisional designation 1903 ME, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 40 kilometers in diameter. It was discovered on 20 September 1903, by German astronomer Max Wolf at the Heidelberg Observatory in southwest Germany. [15] The asteroid was named after the ancient Judahite queen Athaliah. [3]

    Contents

    Orbit and classification

    Athalia is a Themistian asteroid that belongs to the Themis family ( 602 ), a very large family of carbonaceous asteroids, named after 24 Themis. [4] [5] [16] : 23  It orbits the Sun in the outer main belt at a distance of 2.6–3.7  AU once every 5 years and 6 months (2,016 days). Its orbit has an eccentricity of 0.17 and an inclination of 2°. [1] The body's observation arc begins at Heidelberg with its official discovery observation in 1903. [15]

    Physical characteristics

    Spectral type

    In the SMASS classification, the asteroid is a Cb-subtype, that transitions between the carbonaceous C-type to the B-type asteroids. [1] In the Tholen classification, no type could be assigned to Athalia since its spectrum was inconsistent as it resembled that of an S-type asteroid, while its albedo was far too low for that spectral type. [1] [17]

    Rotation period

    In October 2015, a rotational lightcurve of Athalia was obtained from photometric observations by American astronomer Frederick Pilcher at the Organ Mesa Observatory ( G50 ) in New Mexico, United States. Lightcurve analysis gave a well-defined rotation period of 10.636 hours with a brightness amplitude of 0.22 magnitude ( U=3 ). [13]

    Diameter and albedo

    According to the surveys carried out by the Japanese Akari satellite, the Spitzer Space Telescope and the Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Athalia measures about 40 kilometers in diameter and its surface has an albedo of about 0.03 to 0.04. [6] [7] [8] [9] [10] [11] [12]

    The Collaborative Asteroid Lightcurve Link adopts the results obtained by the Infrared Astronomical Satellite IRAS, that is, an albedo of 0.039 and a diameter of 38.22 kilometers based on an absolute magnitude of 11.23. [4]

    Naming

    This minor planet was named after Athaliah (Athalia), the daughter of King Ahab and Queen Jezebel of Israel. The murderous queen of the ancient Kingdom of Judah was the only woman to ever rule the Hebrew kingdoms. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 ( H 55 ). [3]

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    References

    1. 1 2 3 4 5 6 7 8 9 10 "JPL Small-Body Database Browser: 515 Athalia (1903 ME)" (2017-07-05 last obs.). Jet Propulsion Laboratory . Retrieved 25 August 2017.
    2. ↑ 'Athaliah' in Noah Webster (1884) A Practical Dictionary of the English Language
    3. 1 2 3 Schmadel, Lutz D. (2007). "(515) Athalia". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 55. doi:10.1007/978-3-540-29925-7_516. ISBN   978-3-540-00238-3.
    4. 1 2 3 4 5 6 "LCDB Data for (515) Athalia". Asteroid Lightcurve Database (LCDB). Retrieved 25 August 2017.
    5. 1 2 "Asteroid 515 Athalia – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 24 October 2019.
    6. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal. 152 (3): 12. arXiv: 1606.08923 . Bibcode:2016AJ....152...63N. doi: 10.3847/0004-6256/152/3/63 .
    7. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv: 1509.02522 . Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117 . Retrieved 25 August 2017.
    8. 1 2 3 4 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 25 August 2017.
    9. 1 2 3 4 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 .
    10. 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 . Retrieved 25 August 2017.
    11. 1 2 3 4 Landsman, Zoe A.; Licandro, Javier; Campins, Humberto; Ziffer, Julie; de Prá, Mario; Cruikshank, Dale P. (May 2016). "The Veritas and Themis asteroid families: 5-14 mum spectra with the Spitzer Space Telescope". Icarus. 269: 62–74. Bibcode:2016Icar..269...62L. doi:10.1016/j.icarus.2016.01.008 . Retrieved 25 August 2017.
    12. 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.
    13. 1 2 Pilcher, Frederick (April 2015). "Rotation Period Determination for 254 Augusta, 465 Alekto 477 Italia, 515 Athalia, and 1061 Paeonia". The Minor Planet Bulletin. 42 (2): 91–94. Bibcode:2015MPBu...42...91P. ISSN   1052-8091 . Retrieved 25 August 2017.
    14. ↑ 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 . Retrieved 25 August 2017.
    15. 1 2 "515 Athalia (1903 ME)". Minor Planet Center. Retrieved 25 August 2017.
    16. ↑ Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. arXiv: 1502.01628 . Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN   9780816532131.
    17. ↑ David J. Tholen. "Taxonomic Classifications Of Asteroids – Notes" . Retrieved 24 August 2017.
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