155 Scylla

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Template:Short description Template:Use dmy dates {{#invoke:infobox|infoboxTemplate | class = vcard | titleclass = fn org | title = 155 Scylla | image = {{#invoke:InfoboxImage|InfoboxImage|image=000155-asteroid shape model (155) Scylla.png|upright={{#if:||1.1}}|alt=}} | caption = 3D convex shape model of 155 Scylla | headerstyle = {{#if:#D6D6D6|background-color:#D6D6D6|background-color:#E0CCFF}}; color:inherit; | labelstyle = max-width:{{#if:||11em}}; | autoheaders = y

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

| label2 = Discovered by | data2 = J. Palisa | label3 = Discovery site | data3 = Austrian Naval Obs. | label4 = Discovery date | data4 = 8 November 1875 | label5 = Template:Longitem | data5 =

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

| label11 = Template:Longitem | data11 = (155) Scylla | label12 = Pronunciation | data12 = Template:IPAc-en<ref>Template:OED</ref> | label13 = Template:Longitem | data13 = Scylla Template:Small<ref name="springer" /> | label14 = Template:Longitem | data14 = A875 VE; 1907 TJ;
1930 UN; 1930 XS;
1934 RU; 1939 TK;
1941 HL; 1950 FL;
1950 FN | label15 = Template:Longitem | data15 = main-belt<ref name="MPC-object" /><ref name="jpldata" />Template:·Template:Small
background<ref name="Ferret" /> | label16 = Adjectives | data16 = | label17 = Symbol | data17 = Astrological symbol for Scylla; it is the mirror of that used for 388 Charybdis

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

| data21 = | data22 = {{#if:23 March 2018 (JD 2458200.5) |Epoch 23 March 2018 (JD 2458200.5)}} | data23 = {{#if:0 | Uncertainty parameter 0}} | label24 = Observation arc | data24 = 142.38 yr (52,004 d) | label25 = Earliest precovery date | data25 = | label26 = {{#switch:{{{apsis}}} |apsis|gee|barion|center|centre|(apsis)=Apo{{{apsis}}} |Ap{{#if:|{{{apsis}}}|helion}}}} | data26 = 3.5207 AU | label27 = Peri{{#if:|{{{apsis}}}|helion}} | data27 = 1.9916 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 = 2.7562 AU | label33 = Template:Longitem | data33 = | label34 = Eccentricity | data34 = 0.2774 | label35 = Template:Longitem | data35 = 4.58 yr (1,671 d) | label36 = Template:Longitem | data36 = | label37 = Template:Longitem | data37 = | label38 = Template:Longitem | data38 = 2.9234° | label39 = Template:Longitem | data39 = Template:Deg2DMS / day | label40 = Inclination | data40 = 11.388° | label41 = Template:Longitem | data41 = | label42 = Template:Longitem | data42 = 40.994° | label43 = Template:Longitem | data43 = | label44 = Template:Longitem | data44 = | label45 = Template:Longitem | data45 = 45.838° | 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 = TJupiter | data59 =

| header60 = Proper orbital elements

| label61 = Template:Longitem | data61 = {{#if: |{{{p_semimajor}}} AU}} | label62 = Template:Longitem | data62 = | label63 = Template:Longitem | data63 = | label64 = Template:Longitem | data64 = {{#if: |{{{p_mean_motion}}} degTemplate:\yr}} | label65 = Template:Longitem | data65 = {{#if:|{{#expr:360/1 round 5}} yr
({{#expr:365.25*360/1 round 3}} d) }} | label66 = Template:Longitem | data66 = {{#if:|{{{perihelion_rate}}} arcsecTemplate:\yr }} | label67 = Template:Longitem | data67 = {{#if:|{{{node_rate}}} arcsecTemplate:\yr}}

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

| label71 = Dimensions | data71 = | label72 = Template:Longitem | data72 = Template:Val<ref name="Nugent-2016" />
Template:Val<ref name="AKARI" />
Template:Val<ref name="Masiero-2014" />
Template:Val<ref name="SIMPS" />
Template:Val<ref name="Nugent-2015" />
Template:Val<ref name="WISE" /> | label73 = Template:Longitem | data73 = | label74 = Template:Longitem | data74 = | label75 = Template:Longitem | data75 = | label76 = Flattening | data76 = | label77 = Circumference | data77 = | label78 = Template:Longitem | data78 = | label79 = Volume | data79 = | label80 = Mass | data80 = | label81 = Template:Longitem | data81 = | label82 = Template:Longitem | data82 = | label83 = Template:Longitem | data83 = | label84 = Template:Longitem | data84 = | label85 = Template:Longitem | data85 = Template:Val<ref name="Stephens-2014e" />
Template:Val<ref name="Addleman-2005" />
Template:Val<ref name="Hanus-2016a" />
Template:Val<ref name="Pilcher-2009d" />
Template:Val<ref name="Owings-2009" />
Template:Val<ref name="geneva-obs" /> | label86 = Template:Longitem | data86 = | label87 = Template:Longitem | data87 = | label88 = Template:Longitem | data88 = | label89 = Template:Longitem | data89 = | label90 = Template:Longitem | data90 = | label91 = Template:Longitem | data91 = | label92 = Template:Longitem | data92 = | label93 = {{#if:yes |Template:Longitem |Albedo}} | data93 = Template:Val<ref name="WISE" />
Template:Val<ref name="Masiero-2014" />
Template:Val<ref name="Nugent-2015" />
Template:Val<ref name="SIMPS" />
Template:Val<ref name="AKARI" />
Template:Val<ref name="Nugent-2016" /> | label94 = Temperature | data94 =

| data100 = {{#if:|

{{#if:|}}{{#if:|}}{{#if:|}}{{#if:|}}
Surface temp. min mean max
{{{temp_name1}}}
{{{temp_name2}}}
{{{temp_name3}}}
{{{temp_name4}}}

}}

| label101 = Surface absorbed dose rate | data101 = | label102 = Surface equivalent dose rate | data102 = | label103 = Template:Longitem | data103 = Tholen = XFC<ref name="jpldata" /><ref name="lcdb" />
B–V = 0.688<ref name="jpldata" />
U–B = 0.234<ref name="jpldata" /> | label104 = Template:Longitem | data104 = | label105 = Template:Longitem | data105 = | label106 = Template:Longitem | data106 = 11.23<ref name="Nugent-2016" />
11.39<ref name="jpldata" /><ref name="lcdb" /><ref name="AKARI" /><ref name="Nugent-2015" /><ref name="WISE" /> | label107 = Template:Longitem | data107 =

| header110 = Atmosphere

| label111 = Template:Longitem | data111 = | label112 = Template:Longitem | data112 = | label113 = Composition by volume | data113 =

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

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155 Scylla is a main belt asteroid. It was discovered by Austrian astronomer Johann Palisa at the Austrian Naval Observatory on 8 November 1875, and named after the monster Scylla in Greek mythology. Two weeks after its discovery this asteroid became lost and was not recovered for 95 years. It was finally found by Paul Wild of Berne, Switzerland with the aid of an ephemeris created in 1970 by Conrad M. Bardwell at Cincinnati Observatory.<ref name="Hodgson-1976"/>

Photometric observations of this asteroid during 2008 at the Organ Mesa Observatory in Las Cruces, New Mexico, gave an asymmetrical, bimodal light curve with a period of 7.9597 ± 0.0001 hours and a brightness variation of 0.46 ± 0.03 in magnitude.<ref name="Pilcher-2009d"/>

References

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