View source for 390 Alma

{{Short description|Main-belt asteroid}}
{{Use dmy dates|date=June 2017}}
{{Infobox planet
| minorplanet=yes
| background=#D6D6D6
| image=390Alma (Lightcurve Inversion).png
| image_scale =
| caption=A three-dimensional model of 390 Alma based on its light curve
| name=390 Alma
| discoverer=[[Guillaume Bigourdan]]
| discovered=24 March 1894
| mpc_name=(390) Alma
| alt_names=1894 BC; 1930 QW;<br />1950 BV; 1950 CH;<br />1953 YB; 1963 DF
| named_after=[[Alma River (Ukraine)|Alma River]]
| mp_category=[[Asteroid belt|Main belt]] ([[Eunomia family]])
| epoch=31 July 2016 ([[Julian day|JD]] 2457600.5)
| semimajor={{Convert|2.65059|AU|Gm|abbr=on}}
| perihelion={{Convert|2.29906|AU|Gm|abbr=on}}
| aphelion={{Convert|3.00211|AU|Gm|abbr=on|lk=on}}
| eccentricity=0.13262
| period=4.32 [[Julian year (astronomy)|yr]] (1576.2 [[Julian year (astronomy)|d]])
| inclination=12.1645°
| asc_node=305.223°
| arg_peri=190.194°
| mean_anomaly=136.953[[Degree (angle)|°]]
| dimensions={{val|23.74|1.4|ul=km}}<ref name="jpldata"/><br />24 km<ref name="IRAS"/>
| mass=
| density=~2.7 g/cm<sup>3</sup><ref name="Krasinsky02"/>
| rotation={{Convert|3.74|h|d|abbr=on|lk=on}}<ref name="jpldata"/><br />0.156 d<ref name="PDSLightcurve"/>
| spectral_type=[[S-type asteroid]]
| abs_magnitude=10.39
| albedo={{val|0.2190|0.029}}
| mean_motion={{Deg2DMS|0.228397|sup=ms}} / day
| orbit_ref=<ref name="jpldata">{{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=390;cad=1 |title=390 Alma (1894 BC) |work=[[JPL Small-Body Database]] |publisher=[[NASA]]/[[Jet Propulsion Laboratory]] |access-date=10 May 2016}}</ref>
| observation_arc=122.02 yr (44568 d)
| uncertainty=0
}}
'''390 Alma''' is an [[asteroid]] from the intermediate [[asteroid belt]], approximately 24 kilometers in diameter. It was [[Guillaume Bigourdan]]'s only asteroid discovery. He discovered it on 24 March 1894 in Paris.<ref name="jpldata" />
==References==
{{Reflist|refs=
<ref name="IRAS">{{cite web|url=http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab |title=Supplemental IRAS Minor Planet Survey |url-status=dead |archiveurl=https://archive.today/20060623213811/http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab |archivedate=2006-06-23 }}</ref>
<ref name="PDSLightcurve">{{cite web|url=http://www.psi.edu/pds/archive/lc.html |title=PDS lightcurve data |url-status=dead |archiveurl=https://archive.today/20060614093519/http://www.psi.edu/pds/archive/lc.html |archivedate=2006-06-14 }}</ref>
<ref name="Krasinsky02">{{cite journal |author=G. A. Krasinsky |display-authors=etal |title=Hidden Mass in the Asteroid Belt |journal=Icarus |volume=158 |page=98 |date=2002 |issue=1 |doi=10.1006/icar.2002.6837|bibcode = 2002Icar..158...98K }}</ref>
}}
*[https://pds.nasa.gov/ds-view/pds/viewTargetProfile.jsp?TARGET_NAME=390+ALMA PDS Target Information]
==External links==
* {{AstDys|390}}
* {{JPL small body}}
{{Minor planets navigator|389 Industria|number=390|391 Ingeborg}}
{{Small Solar System bodies}}
{{Authority control}}
{{DEFAULTSORT:000390}}
[[Category:Background asteroids]]
[[Category:Discoveries by Guillaume Bigourdan|Alma]]
[[Category:Named minor planets|Alma]]
[[Category:DT-type asteroids (Tholen)]]
[[Category:Astronomical objects discovered in 1894|18940324]]
{{S-beltasteroid-stub}}