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{{Short description|Main-belt asteroid}}
:''There is also a moon called [[Bianca (moon)|Bianca]].''
{{For|the satellite of Uranus|Bianca (moon)}}
{{Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=218 Bianca
{{Use dmy dates|date=July 2020}}
{{Infobox planet
| minorplanet=yes
| mpc_name=(218) Bianca
| background=#D6D6D6
| name=218 Bianca
| pronounced = {{IPAc-en|b|i|ˈ|æ|ŋ|k|ə}}<ref>Benjamin Smith (1903) ''The Century Dictionary and Cyclopedia''</ref>
| alt_names= A880 RA
|named_after=[[Bertha Schwarz|Bianca Bianchi]]
| image=218Bianca (Lightcurve Inversion).png
| image_scale =
| caption=A three-dimensional model of 218 Bianca based on its light curve.
| discoverer=[[Johann Palisa]]
| discoverer=[[Johann Palisa]]
| discovered=September 4, 1880
| discovered=4 September 1880
| mp_category=[[Asteroid belt|Main belt]]
| mp_category=[[Asteroid belt|Main belt]]
| epoch=30 January, 2005 ([[Julian day|JD]] 2453400.5)
| epoch=31 July 2016 ([[Julian day|JD]] 2457600.5)
| semimajor=398.918 [[Giga|G]]m (2.667 [[Astronomical unit|AU]])
| semimajor={{Convert|2.66719|AU|Gm|abbr=on}}
| perihelion=351.958 Gm (2.353 AU)
| perihelion={{Convert|2.35524|AU|Gm|abbr=on}}
| aphelion=445.878 Gm (2.981 AU)
| aphelion={{Convert|2.97915|AU|Gm|abbr=on|lk=on}}
| eccentricity=0.118
| eccentricity=0.11696
| period=1590.479 [[day|d]] (4.35 [[Julian year (astronomy)|a]])
| period=4.36 [[Julian year (astronomy)|yr]] (1591.0 [[Julian year (astronomy)|d]])
| inclination=15.231[[degree (angle)|°]]
| inclination=15.2006°
| asc_node=170.896°
| asc_node=170.635°
| arg_peri=60.97°
| arg_peri=63.0175°
| mean_anomaly=301.767°
| mean_anomaly=170.102[[Degree (angle)|°]]
| avg_speed=18.24 km/[[second|s]]
| avg_speed=18.24&nbsp;km/s
| dimensions={{val|60.62|1.4|ul=km}}<ref name="jpldata"/><br />56.735 km<ref name="Pravec2012"/>
| dimensions=61.0 km
| mass=''unknown''
| mass=
| density=''unknown''
| density=
| rotation={{Convert|6.337|h|d|abbr=on|lk=on}}<ref name="jpldata"/><br />6.33717 h<ref name="Durech2007"/>
| surface_grav=''unknown''
| spectral_type=[[S-type asteroid|S]]<ref name="Pravec2012"/> ([[Tholen classification|Tholen]])
| escape_velocity=''unknown''
| abs_magnitude=8.60,<ref name="jpldata"/> 8.607<ref name="Pravec2012"/>
| rotation=6.337 [[hour|h]]
| albedo={{val|0.1746|0.008}}<ref name="jpldata"/><br />0.1979 ± 0.0407<ref name="Pravec2012"/>
| spectral_type=[[S-type asteroid|S]]
| single_temperature=
| abs_magnitude=8.6
| mean_motion={{Deg2DMS|0.226268|sup=ms}} / day
| albedo=0.174
| orbit_ref=<ref name="jpldata">{{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=218;cad=1 |title=218 Bianca |work=[[JPL Small-Body Database]] |publisher=[[NASA]]/[[Jet Propulsion Laboratory]] |access-date=12 May 2016}}</ref>
| single_temperature=''unknown''}}
| observation_arc=122.41 yr (44709 d)
| uncertainty=0
}}


'''218 Bianca''' is a sizeable [[Asteroid belt|Main belt]] [[asteroid]]. It is an [[S-type asteroid]]. It was discovered by [[Johann Palisa]] on 4 September 1880, in [[Pula|Pola]] and was named after the Austro-Hungarian opera singer [[Bertha Schwarz|Bianca Bianchi]] (real name Bertha Schwarz). The Vienna newspapers contained several published accounts of the circumstances surrounding the honor extended to the diva in Spring 1882.<ref>{{cite book|last=Schmadel|first=Lutz D.|title=Dictionary of minor planet names|publisher=Springer|date=2003|edition=5th|pages=34–35|isbn=978-3-540-00238-3|url=https://books.google.com/books?id=KWrB1jPCa8AC&pg=PA35}}</ref> In the late 1990s, a network of astronomers worldwide gathered lightcurve data that was ultimately used to derive the spin states and shape models of ten new asteroids, including (218) Bianca. The shape model for this asteroid is asymmetrical.<ref name="Durech2007" /><ref>Durech, J.; Kaasalainen, M.; Marciniak, A.; Allen, W. H. et al. "Asteroid brightness and geometry", ''Astronomy and Astrophysics'', Volume 465, Issue 1, April I 2007, pp. 331-337.</ref>
'''218 Bianca''' is a sizeable [[Asteroid belt|Main belt]] [[asteroid]]. It is an [[S-type asteroid]].


== References ==
It was discovered by [[Johann Palisa]] on September 4, 1880, in [[Pula|Pola]] and was named after the Austro-Hungarian opera singer [[Bianca Bianchi]] (real name Bertha Schwarz). The Vienna newspapers contained several published accounts of the circumstances surrounding the honor extended to the diva in Spring 1882.<ref>{{cite book|last=Schmadel|first=Lutz D.|title=Dictionary of minor planet names|publisher=Springer|year=2003|edition=5|pages=34–35|isbn=978-3-540-00238-3|url=http://books.google.com/books?id=KWrB1jPCa8AC&pg=PA35|accessdate=6 April 2010}}</ref>
{{Reflist|refs=
<ref name="Pravec2012">{{Citation
| last1 = Pravec
| first1 = P.
| last2 = Harris
| first2 = A. W.
| last3 = Kusnirak
| first3 = P.
| last4 = Galad
| first4 = A.
| last5 = Hornoch
| first5 = K.
| display-authors = 1
| title = Absolute Magnitudes of Asteroids and a Revision of Asteroid Albedo Estimates from WISE Thermal Observations
| work = Asteroids, Comets, Meteors 2012, Proceedings of the conference held May 16–20, 2012 in Niigata, Japan
| issue = 1667
|date=May 2012
| bibcode = 2012LPICo1667.6089P
| postscript= .
}} See Table 4.</ref>


<ref name="Durech2007">{{Citation
In the late 1990s, a network of astronomers worldwide gathered lightcurve data that was ultimately used to derive the spin states and shape models of ten new asteroids, including (218) Bianca.<ref>Durech., J.; Kaasalainen, M., Marciniak, A.; et al., “Physical models of ten asteroids from an observers' collaboration network,” '' Astronomy and Astrophysics '', Volume 465, Issue 1, April I 2007, pp. 331-337 </ref><ref> Durech, J.; Kaasalainen, M.; Marciniak, A.; Allen, W. H. et al. “Asteroid brightness and geometry,” ''Astronomy and Astrophysics'', Volume 465, Issue 1, April I 2007, pp. 331-337.</ref>
| last1 = Durech
| first1 = J.
| last2 = Kaasalainen
| first2 = M.
| last3 = Marciniak
| first3 = A.
| display-authors = 1
| title = Physical models of ten asteroids from an observers' collaboration network
| journal = Astronomy and Astrophysics
| volume = 465
| issue = 1
| pages = 331–337
|date=April 2007
| doi = 10.1051/0004-6361:20066347
| bibcode = 2007A&A...465..331D
| postscript= .
| doi-access= free
| url= https://hal.science/hal-03801313/file/aa6347-06.pdf
}}</ref>
}}


== References ==
== External links ==
* [http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT Asteroid Lightcurve Data File]
{{reflist}}
* {{AstDys|218}}
* {{JPL small body}}


{{Minor planets navigator |217 Eudora |number=218 |219 Thusnelda}}
==External links==
{{Small Solar System bodies}}
*[http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT Asteroid Lightcurve Data File]
{{Authority control}}


{{DEFAULTSORT:000218}}
{{MinorPlanets Navigator|217 Eudora|219 Thusnelda}}
[[Category:Background asteroids]]
{{MinorPlanets_Footer}}
[[Category:Discoveries by Johann Palisa|Bianca]]
[[Category:Named minor planets|Bianca]]
[[Category:S-type asteroids (Tholen)]]
[[Category:Astronomical objects discovered in 1880|18800904]]


{{DEFAULTSORT:Bianca}}
[[Category:Main Belt asteroids]]
[[Category:S-type asteroids]]
[[Category:Asteroids named for people]]
[[Category:Astronomical objects discovered in 1880]]
[[Category:Discoveries by Johann Palisa]]


{{S-beltasteroid-stub}}
{{S-beltasteroid-stub}}

[[ast:218 Bianca]]
[[de:(218) Bianca]]
[[el:218 Μπιάνκα]]
[[es:(218) Bianca]]
[[eo:218 Bianko]]
[[eu:218 Bianka]]
[[fa:۲۱۸ (بیانکا)]]
[[fr:(218) Bianca]]
[[hr:218 Bianca]]
[[it:218 Bianca]]
[[la:218 Bianca]]
[[hu:218 Bianca]]
[[ja:ビアンカ (小惑星)]]
[[no:218 Bianca]]
[[nn:218 Bianca]]
[[pl:218 Bianca]]
[[pt:218 Bianca]]
[[ru:(218) Бианка]]
[[sk:218 Bianca]]
[[sl:218 Bianca]]
[[sr:218 Bianca]]
[[tl:218 Bianca]]
[[th:218 Bianca]]
[[uk:218 Біанка]]
[[vi:218 Bianca]]
[[zh:歌女星]]

Latest revision as of 11:03, 2 August 2024

For the satellite of Uranus, see Bianca (moon).

218 Bianca
A three-dimensional model of 218 Bianca based on its light curve.
Discovery
Discovered byJohann Palisa
Discovery date4 September 1880
Designations
(218) Bianca
Pronunciation/biˈæŋkə/[1]
Named after
Bianca Bianchi
A880 RA
Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc122.41 yr (44709 d)
Aphelion2.97915 AU (445.674 Gm)
Perihelion2.35524 AU (352.339 Gm)
2.66719 AU (399.006 Gm)
Eccentricity0.11696
4.36 yr (1591.0 d)
18.24 km/s
170.102°
0° 13m 34.565s / day
Inclination15.2006°
170.635°
63.0175°
Physical characteristics
Dimensions60.62±1.4 km[2]
56.735 km[3]
6.337 h (0.2640 d)[2]
6.33717 h[4]
0.1746±0.008[2]
0.1979 ± 0.0407[3]
S[3] (Tholen)
8.60,[2] 8.607[3]

218 Bianca is a sizeable Main belt asteroid. It is an S-type asteroid. It was discovered by Johann Palisa on 4 September 1880, in Pola and was named after the Austro-Hungarian opera singer Bianca Bianchi (real name Bertha Schwarz). The Vienna newspapers contained several published accounts of the circumstances surrounding the honor extended to the diva in Spring 1882.[5] In the late 1990s, a network of astronomers worldwide gathered lightcurve data that was ultimately used to derive the spin states and shape models of ten new asteroids, including (218) Bianca. The shape model for this asteroid is asymmetrical.[4][6]

References

[edit]
  1. ^ Benjamin Smith (1903) The Century Dictionary and Cyclopedia
  2. ^ a b c d e "218 Bianca". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
  3. ^ a b c d Pravec, P.; et al. (May 2012), "Absolute Magnitudes of Asteroids and a Revision of Asteroid Albedo Estimates from WISE Thermal Observations", Asteroids, Comets, Meteors 2012, Proceedings of the conference held May 16–20, 2012 in Niigata, Japan, no. 1667, Bibcode:2012LPICo1667.6089P. See Table 4.
  4. ^ a b Durech, J.; et al. (April 2007), "Physical models of ten asteroids from an observers' collaboration network" (PDF), Astronomy and Astrophysics, 465 (1): 331–337, Bibcode:2007A&A...465..331D, doi:10.1051/0004-6361:20066347.
  5. ^ Schmadel, Lutz D. (2003). Dictionary of minor planet names (5th ed.). Springer. pp. 34–35. ISBN 978-3-540-00238-3.
  6. ^ Durech, J.; Kaasalainen, M.; Marciniak, A.; Allen, W. H. et al. "Asteroid brightness and geometry", Astronomy and Astrophysics, Volume 465, Issue 1, April I 2007, pp. 331-337.
[edit]


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