152 Atala

{{Short description|Main-belt asteroid}}

{{Use dmy dates|date=July 2020}}

{{Infobox planet

|minorplanet = yes

|name = 152 Atala

|image = 152Atala (Lightcurve Inversion).png

|image_scale =

|caption = A three-dimensional model of 152 Atala based on its light curve.

|symbol =

|background = #D6D6D6

|discovery_ref = [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html Hardard's Numbered MPs]

|discoverer = P. P. Henry

|discovered = 2 November 1875

|discovery_site =

|mpc_name = (152) Atala

|mp_category = Main belt

|named_after = Atala

|alt_names = A875 VB

| pronounced={{IPAc-en|ə|'|t|ɑː|l|ə}}
{{IPA|fr|atala|lang}}

|orbit_ref = {{Cite web |url=http://ftp.lowell.edu/pub/elgb/astorb.html |website=astorb |title=The Asteroid Orbital Elements Database |publisher=Lowell Observatory }}

|epoch = 31 July 2016 (JD 2457600.5)

|aphelion = {{Convert|3.3855|AU|Gm|abbr=on|lk=on}}

|perihelion = {{Convert|2.8984|AU|Gm|abbr=on}}

|semimajor = {{Convert|3.1420|AU|Gm|abbr=on}}

|eccentricity = 0.077507

|period = 5.57 yr (2034.2 d)

|inclination = 12.114°

|asc_node = 39.945°

|mean_anomaly = 52.593°

|arg_peri = 59.807°

|satellites =

|dimensions = 65 ± 8 km{{cite journal

|display-authors=6

|last=Ďurech

|first=Josef

|author2=Kaasalainen, Mikko

|author3=Herald, David

|author4=Dunham, David

|author5=Timerson, Brad

|author6=Hanuš, Josef

|author7=Frappa, Eric

|author8=Talbot, John

|author9=Hayamizu, Tsutomu

|author10=Warner, Brian D.

|author11=Pilcher, Frederick

|author12=Galád, Adrián

|title=Combining asteroid models derived by lightcurve inversion with asteroidal occultation silhouettes

|journal=Icarus

|volume=214

|issue=2

|pages=652–670

|date=2011

|url=http://astro.troja.mff.cuni.cz/projects/asteroids3D/download/durech_et_al_2011_occ_paper.pdf

|doi=10.1016/j.icarus.2011.03.016

|arxiv=1104.4227

|bibcode=2011Icar..214..652D

|access-date=26 January 2012

|archive-date=3 March 2016

|archive-url=https://web.archive.org/web/20160303214312/http://astro.troja.mff.cuni.cz/projects/asteroids3D/download/durech_et_al_2011_occ_paper.pdf

|url-status=dead

}}
71–122 km[http://www.asteroidoccultation.com/2006_05/0507_152_5137_Summary.txt Asterodoccultation.com] {{webarchive|url=https://web.archive.org/web/20061010013839/http://www.asteroidoccultation.com/2006_05/0507_152_5137_Summary.txt |date=2006-10-10 }}

|mass = {{nowrap|(5.43 ± 1.24) × 10¹⁸ kg}}

|density =

|sidereal_day = 5.28-6.25 hours

|axial_tilt =

|pole_ecliptic_lat =

|pole_ecliptic_lon =

|albedo = 0.054

|temp_name1 =

|mean_temp_1 =

|max_temp_1 =

|temp_name2 =

|max_temp_2 =

|spectral_type = D[http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT SPIFF LCSUMPUB]

|abs_magnitude = 8.33

|mean_motion = {{Deg2DMS|0.17697|sup=ms}} / day

|observation_arc = 130.69 yr (47735 d)

|uncertainty = 0

|rotation = {{Convert|6.246|h|d|abbr=on|lk=on}}

|moid = {{Convert|1.93567|AU|Gm|abbr=on}}

|jupiter_moid = {{Convert|1.85235|AU|Gm|abbr=on}}

|tisserand = 3.171

}}

152 Atala is a large main belt asteroid that was discovered by brothers Paul Henry and Prosper Henry on 2 November 1875, but the discovery was credited to Paul. It is a type D asteroid, meaning that it is composed of carbon, organic rich silicates and possibly water ice.

The asteroid is named for the eponymous heroine of the 1801 novella Atala by François-René de Chateaubriand.{{Cite book |last=Schmadel |first=Lutz D.|authorlink=Lutz D. Schmadel|author2=International Astronomical Union |title=Dictionary of minor planet names |date=2003 |publisher=Springer-Verlag |location=Berlin; New York |isbn=978-3-540-00238-3 |page=29|url=https://books.google.com/books?id=KWrB1jPCa8AC&pg=PA29}} The Henry brothers also named the last of their discoveries, 186 Celuta, after another Chateaubriand heroine.{{Cite book |last=Schmadel |first=Lutz D.|authorlink=Lutz D. Schmadel|author2=International Astronomical Union |title=Dictionary of minor planet names |date=2012 |edition=6th |publisher=Springer-Verlag |location=Berlin; New York |isbn=9783642297182 |page=29|url=https://books.google.com/books?id=aeAg1X7afOoC&q&pg=PA29|accessdate=4 April 2014}} Both Atala and Céluta are American Indian fictional characters.{{cite book |last=Chateaubriand |first=François-René |authorlink=François-René de Chateaubriand |title=Atala |date=1801}}; {{cite book |last=Chateaubriand |first=François-René |authorlink=François-René de Chateaubriand |title=René |date=1802}}

An occultation of a star by Atala was observed from Japan on 11 March 1994. Subsequent occultations have been observed as recently as 2006.{{citation needed|date=March 2019}}

Photometric of this asteroid made in 1981 gave a light curve with a period of 5.282 ± 0.004 hours with a brightness variation of 0.50 in magnitude.