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27 Euterpe

From Wikipedia, the free encyclopedia
Main-belt asteroid

27 Euterpe
Lightcurve-based 3D-model ofEuterpe
Discovery[1]
Discovered byJ. R. Hind
Discovery siteGeorge Bishop's Obs.
Discovery date8 November 1853
Designations
(27) Euterpe
Pronunciation/juːˈtɜːrpiː/[2]
Named after
Euterpe(Greek mythology)[3]
1945 KB
main-belt · (inner)[4]
Euterpe[5]
AdjectivesEuterpean/juːˈtɜːrpiən/[6]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc163.48 yr (59,711 days)
Aphelion2.7524AU
Perihelion1.9401 AU
2.3463 AU
Eccentricity0.1731
3.59yr (1,313 days)
170.66°
0° 16m 27.12s / day
Inclination1.5837°
94.789°
356.55°
Physical characteristics
Dimensions124 × 75 km(occultation)[1]
96 km[1]
96.9 km[7]
105.80±7.23 km[8]
109.79±1.54 km[9]
118 km[10]
118.000±22.30 km[11]
Mass(1.67±1.01)×1018 kg[8]
2.69±1.71 g/cm3[8]
8.500 h[4]
10.377±0.008h[12]
10.40193±0.00005 h[13]
10.404±0.001 h[4]
10.407±0.002 h[14]
10.4082±0.0001 h[15]
10.410±0.002 h[16][17][a]
10.41 h[18]
0.20±0.03[19]
0.2011±0.0582[11]
0.215±0.033[20]
0.234±0.008[9]
0.298[7]
Tholen =S[1]
SMASS =S[1] · S[21][4]
B–V = 0.878[1]
U–B = 0.502[1]
7.00[1][4][7][9][11] · 7.01±0.02[15]
0.13" to 0.035"

27 Euterpe is a stonyasteroid and parent body of theEuterpe family, located in theinnerasteroid belt, approximately 100 kilometers in diameter. It was discovered by English astronomerJohn Russell Hind atGeorge Bishop's Observatory in London on 8 November 1853. The asteroid was named afterEuterpe, theMuse of music inGreek mythology.[3][22]

Euterpe is one of thebrightest asteroids in the night sky.[23] It had anapparent magnitude of 8.5 during aperihelicopposition on 25 December 2015 when the asteroid was about 1 AU from Earth.[24] At the end of November 2022 it passed about 1.5 degrees fromUranus while in the constellation ofAries.[25] Based on theS-type spectra the composition appears stony. It has a cross-section size of around 100–120 km. 27 Euterpe is orbiting theSun with a period of 3.59 years and is spinning on its axis once every 10.4 hours.

It is theparent body of theEuterpe family (410), a stony inner-belt asteroid family of nearly 400 known members.[5][26]: 23 Euterpe has been studied byradar.[27]

Notes

[edit]
  1. ^Lightcurve plot of 27 Euterpe[dead link],R. D. Stephens (lead) andB. D. Warner at the Palmer Divide Observatory (2000): rotation period10.410±0.002 hours with a brightness amplitude of0.21±0.01 mag. Summary figures at theLCDB

References

[edit]
  1. ^abcdefghi"JPL Small-Body Database Browser: 27 Euterpe" (2017-05-05 last obs.).Jet Propulsion Laboratory. Retrieved21 December 2017.
  2. ^"Euterpe".Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription orparticipating institution membership required.)
  3. ^abSchmadel, Lutz D. (2007). "(27) Euterpe".Dictionary of Minor Planet Names.Springer Berlin Heidelberg. p. 18.doi:10.1007/978-3-540-29925-7_28.ISBN 978-3-540-00238-3.
  4. ^abcde"LCDB Data for (27) Euterpe". Asteroid Lightcurve Database (LCDB). Retrieved21 December 2017.
  5. ^ab"Asteroid 27 Euterpe".Small Bodies Data Ferret. Retrieved24 October 2019.
  6. ^"Euterpean".Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription orparticipating institution membership required.)
  7. ^abcShevchenko, Vasilij G.; Tedesco, Edward F. (September 2006)."Asteroid albedos deduced from stellar occultations".Icarus.184 (1):211–220.Bibcode:2006Icar..184..211S.doi:10.1016/j.icarus.2006.04.006. Retrieved21 December 2017.
  8. ^abcCarry, B. (December 2012). "Density of asteroids".Planetary and Space Science.73 (1):98–118.arXiv:1203.4336.Bibcode:2012P&SS...73...98C.doi:10.1016/j.pss.2012.03.009.
  9. ^abcUsui, 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)
  10. ^Morrison, D.; Zellner, B. (December 1978)."Polarimetry and radiometry of the asteroids".In: Asteroids. (A80-24551 08-91) Tucson:1090–1097.Bibcode:1979aste.book.1090M. Retrieved21 December 2017.
  11. ^abcMainzer, 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.
  12. ^Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (January 2009)."CCD and photon-counting photometric observations of asteroids carried out at Padova and Catania observatories".Planetary and Space Science.57 (1):1–9.arXiv:0810.1560.Bibcode:2009P&SS...57....1G.doi:10.1016/j.pss.2008.09.014. Retrieved21 December 2017.
  13. ^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.arXiv:1510.07422.Bibcode:2016A&A...586A.108H.doi:10.1051/0004-6361/201527441.
  14. ^Pilcher, Frederick (January 2011)."Rotation Period Determinations for 27 Euterpe, 296 Phaetusa and 672 Astarte, and a Note on 65 Cybele".The Minor Planet Bulletin.38 (1):50–52.Bibcode:2011MPBu...38...50P.ISSN 1052-8091. Retrieved21 December 2017.
  15. ^abStephens, Robert D.; Warner, Brian D.; Megna, Ralph; Coley, Daniel (January 2012)."A Shape Model of the Main-belt Asteroid 27 Euterpe".The Minor Planet Bulletin.39 (1):2–5.Bibcode:2012MPBu...39....2S.ISSN 1052-8091. Retrieved21 December 2017.
  16. ^Stephens, R. D.; Malcolm, G.; Koff, R. A.; Brincat, S. M.; Warner, B. (March 2001)."New Period Determination for 27 Euterpe, a Collaborative Project".The Minor Planet Bulletin.28:1–2.Bibcode:2001MPBu...28....1S. Retrieved21 December 2017.
  17. ^Stephens, R. D. (March 2001)."Combining Collaborative Work".The Minor Planet Bulletin.28:5–6.Bibcode:2001MPBu...28....5S. Retrieved21 December 2017.
  18. ^Behrend, Raoul."Asteroids and comets rotation curves – (27) Euterpe". Geneva Observatory. Retrieved21 December 2017.
  19. ^Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; Wright, E.; Cutri, R. M.; et al. (August 2011)."Thermal Model Calibration for Minor Planets Observed with Wide-field Infrared Survey Explorer/NEOWISE".The Astrophysical Journal.736 (2): 9.Bibcode:2011ApJ...736..100M.CiteSeerX 10.1.1.472.4936.doi:10.1088/0004-637X/736/2/100. Retrieved21 December 2017.
  20. ^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. Retrieved21 December 2017.
  21. ^Belskaya, I. N.; Fornasier, S.; Tozzi, G. P.; Gil-Hutton, R.; Cellino, A.; Antonyuk, K.; et al. (March 2017)."Refining the asteroid taxonomy by polarimetric observations".Icarus.284:30–42.Bibcode:2017Icar..284...30B.doi:10.1016/j.icarus.2016.11.003.hdl:11336/63617. Retrieved4 November 2017.
  22. ^"27 Euterpe".Minor Planet Center. Retrieved21 December 2017.
  23. ^"Bright Minor Planets 2004".Minor Planet Center. Retrieved20 May 2008.
  24. ^"Horizons Online Ephemeris System for December 2015". California Institute of Technology, Jet Propulsion Laboratory. Retrieved20 May 2008.
  25. ^"Finder chart for 27 with Uranus". In-the-Sky.org (Guides to the night sky).Archived from the original on 14 November 2022. Retrieved13 November 2022.
  26. ^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.
  27. ^"Radar-Detected Asteroids and Comets". NASA/JPL Asteroid Radar Research. Retrieved30 October 2011.

External links

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