Astronomy:155 Scylla

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Short description: Main-belt asteroid
155 Scylla Astrological symbol for Scylla; it is the mirror of that used for 388 Charybdis
000155-asteroid shape model (155) Scylla.png
3D convex shape model of 155 Scylla
Discovery[1]
Discovered byJ. Palisa
Discovery siteAustrian Naval Obs.
Discovery date8 November 1875
Designations
(155) Scylla
Pronunciation/ˈsɪlə/[5]
Named afterScylla (Greek mythology)[2]
A875 VE; 1907 TJ;
1930 UN; 1930 XS;
1934 RU; 1939 TK;
1941 HL; 1950 FL;
1950 FN
Minor planet categorymain-belt[1][3] · (middle)
background[4]
Orbital characteristics[3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc142.38 yr (52,004 d)
|{{{apsis}}}|helion}}3.5207 AU
|{{{apsis}}}|helion}}1.9916 AU
2.7562 AU
Eccentricity0.2774
Orbital period4.58 yr (1,671 d)
Mean anomaly2.9234°
Mean motion0° 12m 55.44s / day
Inclination11.388°
Longitude of ascending node40.994°
45.838°
Physical characteristics
Mean diameter32.90±12.33 km[6]
39.21±0.97 km[7]
39.605±0.198 km[8]
39.88±3.8 km[9]
41.38±11.37 km[10]
45.482±0.215 km[11]
Rotation period7.955±0.005 h[12]
7.958±0.002 h[13]
7.95880±0.00005 h[14]
7.9597±0.0001 h[15]
7.960±0.001 h[16]
8.8±0.6 h[17]
Geometric albedo0.0237±0.0022[11]
0.027±0.003[8]
0.03±0.01[10]
0.0309±0.007[9]
0.035±0.002[7]
0.05±0.03[6]
Tholen = XFC[3][18]
B–V = 0.688[3]
U–B = 0.234[3]
Absolute magnitude (H)11.23[6]
11.39[3][18][7][10][11]


Scylla (minor planet designation: 155 Scylla) is a main belt asteroid. It was discovered by Austrian astronomer Johann Palisa at the Austrian Naval Observatory on 8 November 1875, and named after the monster Scylla in Greek mythology. Two weeks after its discovery this asteroid became lost and was not recovered for 95 years. It was finally found by Paul Wild of Berne, Switzerland with the aid of an ephemeris created in 1970 by Conrad M. Bardwell at Cincinnati Observatory.[19]

Photometric observations of this asteroid during 2008 at the Organ Mesa Observatory in Las Cruces, New Mexico, gave an asymmetrical, bimodal light curve with a period of 7.9597 ± 0.0001 hours and a brightness variation of 0.46 ± 0.03 in magnitude.[15]

References

  1. ↑ 1.0 1.1 "155 Scylla". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=155. Retrieved 29 May 2018. 
  2. ↑ Schmadel, Lutz D. (2007). "(155) Scylla". Dictionary of Minor Planet Names – (155) Scylla. Springer Berlin Heidelberg. p. 29. doi:10.1007/978-3-540-29925-7_156. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "JPL Small-Body Database Browser: 155 Scylla". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2000155. Retrieved 29 May 2018. 
  4. ↑ "Asteroid 155 Scylla". Small Bodies Data Ferret. https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=155+Scylla. Retrieved 29 May 2018. 
  5. ↑ Scylla (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=Scylla  (Subscription or UK public library membership required.)
  6. ↑ 6.0 6.1 6.2 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. doi:10.3847/0004-6256/152/3/63. Bibcode: 2016AJ....152...63N. 
  7. ↑ 7.0 7.1 7.2 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. doi:10.1093/pasj/63.5.1117. Bibcode: 2011PASJ...63.1117U.  (online, AcuA catalog p. 153)
  8. ↑ 8.0 8.1 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. doi:10.1088/0004-637X/791/2/121. Bibcode: 2014ApJ...791..121M. 
  9. ↑ 9.0 9.1 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode: 2004PDSS...12.....T. https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab. Retrieved 22 October 2019. 
  10. ↑ 10.0 10.1 10.2 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. doi:10.1088/0004-637X/814/2/117. Bibcode: 2015ApJ...814..117N. 
  11. ↑ 11.0 11.1 11.2 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. doi:10.1088/0004-637X/741/2/90. Bibcode: 2011ApJ...741...90M.  (catalog)
  12. ↑ Stephens, Robert D. (July 2014). "Asteroids Observed from CS3: 2014 January - March". The Minor Planet Bulletin 41 (3): 171–175. ISSN 1052-8091. Bibcode: 2014MPBu...41..171S. 
  13. ↑ Addleman, Don; Covele, Brent; Duncan, Allison; Johnson, Jama; Kramb, Steve; Lecrone, Crystal et al. (December 2005). "Rose-Hulman spring 2005 lightcurve results: 155 Scylla, 590 Tomyris, 1655 Comas Solá, 2058 Roka, 6379 Vrba, and (25934) 2001 DC74.". The Minor Planet Bulletin 32 (4): 76–78. ISSN 1052-8091. Bibcode: 2005MPBu...32...76A. 
  14. ↑ Hanus, J.; Durech, J.; Oszkiewicz, D. A.; Behrend, R.; Carry, B.; Delbo, M. et al. (February 2016). "New and updated convex shape models of asteroids based on optical data from a large collaboration network". Astronomy and Astrophysics 586: 24. doi:10.1051/0004-6361/201527441. Bibcode: 2016A&A...586A.108H. 
  15. ↑ 15.0 15.1 Pilcher, Frederick; Jardine, Don (April 2009). "Period Determinations for 31 Euphrosyne, 35 Leukothea 56 Melete, 137 Meliboea, 155 Scylla, and 264 Libussa". The Minor Planet Bulletin 36 (2): 52–54. ISSN 1052-8091. Bibcode: 2009MPBu...36...52P. 
  16. ↑ Owings, Larry E. (April 2009). "Lightcurves for 155 Scylla and 2358 Bahner". The Minor Planet Bulletin 36 (2): 51–52. ISSN 1052-8091. Bibcode: 2009MPBu...36...51O. 
  17. ↑ Behrend, Raoul. "Asteroids and comets rotation curves – (155) Scylla". Geneva Observatory. http://obswww.unige.ch/~behrend/page1cou.html#000155. Retrieved 29 May 2018. 
  18. ↑ 18.0 18.1 "LCDB Data for (155) Scylla". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=155%7CScylla. Retrieved 29 May 2018. 
  19. ↑ Hodgson, Richard G. (September 1976), "155 Scylla, 279 Thule, 944 Hidalgo, and 1620 Geographos: Four Challenges for Observation", The Minor Planet Bulletin 4: 7, Bibcode: 1976MPBu....4....7H. 

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