63 Ausonia

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| header1 = Discovery<ref name="jpldata" /><ref name="MPC-object" />

| header10 = {{#if:|Designations|Designations}}

| header20 = Orbital characteristics{{#ifeq:|yes| (barycentric)}}<ref name="jpldata" />

| data21 = | data22 = {{#if:4 September 2017 (JD 2458000.5) |Epoch 4 September 2017 (JD 2458000.5)}} | data23 = {{#if:0 | Uncertainty parameter 0}} | label24 = Observation arc | data24 = 156.34 yr (57,104 days) | label25 = Earliest precovery date | data25 = | label26 = {{#switch:{{{apsis}}} |apsis|gee|barion|center|centre|(apsis)=Apo{{{apsis}}} |Ap{{#if:|{{{apsis}}}|helion}}}} | data26 = 2.6993 AU | label27 = Peri{{#if:|{{{apsis}}}|helion}} | data27 = 2.0910 AU | label28 = Peri{{#if:|{{{apsis}}}|apsis}} | data28 = | label29 = {{#switch:{{{apsis}}} |helion|astron=Ap{{{apsis}}} |Apo{{#if:|{{{apsis}}}|apsis}}}} | data29 = | label30 = Periastron | data30 = | label31 = Apoastron | data31 = | label32 = Template:Longitem | data32 = 2.3951 AU | label33 = Template:Longitem | data33 = | label34 = Eccentricity | data34 = 0.1270 | label35 = Template:Longitem | data35 = 3.71 yr (1,354 days) | label36 = Template:Longitem | data36 = | label37 = Template:Longitem | data37 = | label38 = Template:Longitem | data38 = 340.16° | label39 = Template:Longitem | data39 = Template:Deg2DMS / day | label40 = Inclination | data40 = 5.7763° | label41 = Template:Longitem | data41 = | label42 = Template:Longitem | data42 = 337.75° | label43 = Template:Longitem | data43 = | label44 = Template:Longitem | data44 = | label45 = Template:Longitem | data45 = 295.78° | label46 = Template:Nowrap | data46 = | label47 = Satellite of | data47 = | label48 = Group | data48 = | label49 = {{#switch: |yes|true=Satellites |Known satellites}} | data49 = | label50 = Star | data50 = | label51 = Earth MOID | data51 = | label52 = Mercury MOID | data52 = | label53 = Venus MOID | data53 = | label54 = Mars MOID | data54 = | label55 = Jupiter MOID | data55 = | label56 = Saturn MOID | data56 = | label57 = Uranus MOID | data57 = | label58 = Neptune MOID | data58 = | label59 = T_Jupiter | data59 =

| header60 = Proper orbital elements

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({{#expr:365.25*360/1 round 3}} d) }} | label66 = Template:Longitem | data66 = {{#if:|{{{perihelion_rate}}} arcsec Template:\yr }} | label67 = Template:Longitem | data67 = {{#if:|{{{node_rate}}} arcsec Template:\yr}}

| header70 = Template:Anchor{{#if:yes| Physical characteristics|Physical characteristics}}

| label71 = Dimensions | data71 = | label72 = Template:Longitem | data72 = Template:Val<ref name=VLT>P. Vernazza et al. (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. Astronomy & Astrophysics 54, A56</ref> Template:Val<ref name="AKARI" />
Template:Val<ref name="Durech-2011a" />
Template:Val<ref name="Carry-2012" />
Template:Val<ref name="WISE" />
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Template:Val<ref name="Carry-2012" /> | label81 = Template:Longitem | data81 = Template:Val<ref name=VLT/>
Template:Val<ref name="Carry-2012" /> | label82 = Template:Longitem | data82 = | label83 = Template:Longitem | data83 = | label84 = Template:Longitem | data84 = | label85 = Template:Longitem | data85 = Template:Val h<ref name="Riccioli-2001" />
Template:Val h<ref name="Lagerkvist-1989" />
Template:Val h<ref name="geneva-obs" />
Template:Val h<ref name="Lupishko-1987a" />
Template:Val h<ref name="Magnusson-1986" />
Template:Val h<ref name="De-Angelis-1995a" />
Template:Val h<ref name="Durech-2011a" /><ref name="Torppa-2003" />
Template:Val h<ref name="Michalowski-1996a" />
Template:Val h<ref name="Scaltriti-1977c" />
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Template:Val<ref name="Masiero-2012" /><ref name="jpldata" />
Template:Val<ref name="SIMPS" />
Template:Val<ref name="WISE" />
Template:Val<ref name="AKARI" />
Template:Val<ref name="Nugent-2015" /> | label94 = Temperature | data94 =

| data100 = {{#if:|

Surface temp.	min	mean	max
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| label101 = Surface absorbed dose rate | data101 = | label102 = Surface equivalent dose rate | data102 = | label103 = Template:Longitem | data103 = Tholen = S<ref name="jpldata" />
SMASS = S a<ref name="jpldata" />
S<ref name="lcdb" /><ref name="Belskaya-2017" />
B–V = 0.916<ref name="jpldata" />
U–B = 0.500<ref name="jpldata" /> | label104 = Template:Longitem | data104 = | label105 = Template:Longitem | data105 = | label106 = Template:Longitem | data106 = 7.55<ref name="lcdb" /><ref name="AKARI" /><ref name="WISE" /><ref name="SIMPS" /><ref name="Nugent-2015" /><ref name="Masiero-2012" />
7.13<ref name="jpldata" /> | label107 = Template:Longitem | data107 =

| header110 = Atmosphere

| below = {{#if:||Template:Reflist }}

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63 Ausonia is a stony Vestian asteroid from the inner region of the asteroid belt, approximately 100 kilometers (60 miles) in diameter. It was discovered by Italian astronomer Annibale de Gasparis on 10 February 1861, from the Astronomical Observatory of Capodimonte, in Naples, Italy. The initial choice of name for the asteroid was "Italia", after Italy, but this was modified to Ausonia, an ancient classical name for the Italian region.<ref name="springer" />

File:63Ausonia (Lightcurve Inversion).png

Lightcurve-based 3D-model of Ausonia

Orbit and classification

Ausonia is a member of the Vesta family.<ref name="lcdb" /><ref name="Ferret" /> Vestian asteroids have a composition akin to cumulate eucrites (HED meteorites) and are thought to have originated deep within 4 Vesta's crust, possibly from the Rheasilvia crater, a large impact crater on its southern hemisphere near the South pole, formed as a result of a subcatastrophic collision. Vesta is the main belt's second-largest and second-most-massive body after Ceres.<ref name="Nesvorny-2014" /><ref name="Kelley-2003" />

It orbits the Sun in the inner asteroid belt at a distance of 2.1–2.7 AU once every 3 years and 9 months (1,354 days; semi-major axis of 2.40 AU). Its orbit has an eccentricity of 0.13 and an inclination of 6° with respect to the ecliptic.<ref name="jpldata" />

Physical characteristics

In the Tholen classification, Ausonia is a stony S-type asteroid, while in the SMASS classification, it is an Sa-subtype, that transitions from the S-type to the uncommon A-type asteroid.<ref name="jpldata" /> The body's stony composition has also been confirmed by polarimetric observations in 2017.<ref name="Belskaya-2017" /> Based on its lightcurve, a small moon had been suggested but never confirmed.<ref name="johnstons-Companions-Others" />

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Ausonia measures between 87.47 and 116.044 kilometers in diameter and its surface has an albedo between 0.125 and 0.25.<ref name="AKARI" /><ref name="Durech-2011a" /><ref name="WISE" /><ref name="SIMPS" /><ref name="Nugent-2015" /><ref name="Masiero-2012" /> The Collaborative Asteroid Lightcurve Link derives an albedo of 0.2082 and a diameter of 90 kilometers based on an absolute magnitude of 7.55.<ref name="lcdb" />

Ausonia was in a study using the Hubble FGS. Other studied asteroids included 15 Eunomia, 43 Ariadne, 44 Nysa, and 624 Hektor.<ref name="Tanga-2003" /> In 1976, Ausonia was the subject of a photometric study by the Observatory of Turin in Italy.<ref name="Scaltriti-1977c" /> A lightcurve of Ausonia was obtained with the ESO 0.5-metre telescope at La Silla Observatory in 1980.<ref name="Lagerkvist-1980" />

Notes

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References

Template:Reflist

External links

Asteroid Lightcurve Database (LCDB), query form (info Template:Webarchive)
Dictionary of Minor Planet Names, Google books
Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
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63 Ausonia

Contents

Orbit and classification

Physical characteristics

Notes

References

External links

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63 Ausonia

Orbit and classification

Physical characteristics

Notes

References

External links

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