105 Artemis

Template:Short description Template:Use dmy dates {{#invoke:infobox|infoboxTemplate | class = vcard | titleclass = fn org | title = 105 Artemis | image = {{#invoke:InfoboxImage|InfoboxImage|image=Орбита астероида 105.png|upright={{#if:||1.1}}|alt=}} | caption = Orbital diagram | headerstyle = {{#if:#D6D6D6|background-color:#D6D6D6|background-color:#E0CCFF}}; color:inherit; | labelstyle = max-width:{{#if:||11em}}; | autoheaders = y

| header1 = Discovery

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

| label11 = Template:Longitem | data11 = (105) Artemis | label12 = Pronunciation | data12 = Template:IPAc-en<ref>Noah Webster (1884) A Practical Dictionary of the English Language</ref> | label13 = Template:Longitem | data13 = Artemis | label14 = Template:Longitem | data14 = A868 SA | label15 = Template:Longitem | data15 = Main belt | label16 = Adjectives | data16 = Artemidean / Artemidian Template:IPAc-en<ref>Sophocles (1902 trans.)</ref><ref>Dowden (1989) Death and the maiden: girls' initiation rites in Greek mythology</ref> Artemisian Template:IPAc-en<ref>Fischer-Hansen & Poulsen (2009) From Artemis to Diana</ref> | label17 = Symbol | data17 =

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

| data21 = | data22 = {{#if:31 July 2016 (JD 2457600.5) |Epoch 31 July 2016 (JD 2457600.5)}} | data23 = {{#if:0 | Uncertainty parameter 0}} | label24 = Observation arc | data24 = 100.79 yr (36812 d) | label25 = Earliest precovery date | data25 = | label26 = {{#switch:{{{apsis}}} |apsis|gee|barion|center|centre|(apsis)=Apo{{{apsis}}} |Ap{{#if:|{{{apsis}}}|helion}}}} | data26 = Template:Convert | label27 = Peri{{#if:|{{{apsis}}}|helion}} | data27 = Template:Convert | 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 = Template:Convert | label33 = Template:Longitem | data33 = | label34 = Eccentricity | data34 = 0.17782 | label35 = Template:Longitem | data35 = 3.66 yr (1335.4 d) | label36 = Template:Longitem | data36 = | label37 = Template:Longitem | data37 = 19.18 km/s | label38 = Template:Longitem | data38 = 256.90° | label39 = Template:Longitem | data39 = Template:Deg2DMS / day | label40 = Inclination | data40 = 21.444° | label41 = Template:Longitem | data41 = | label42 = Template:Longitem | data42 = 188.264° | label43 = Template:Longitem | data43 = | label44 = Template:Longitem | data44 = | label45 = Template:Longitem | data45 = 57.077° | 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 = Template:Convert | label52 = Mercury MOID | data52 = | label53 = Venus MOID | data53 = | label54 = Mars MOID | data54 = | label55 = Jupiter MOID | data55 = Template:Convert | label56 = Saturn MOID | data56 = | label57 = Uranus MOID | data57 = | label58 = Neptune MOID | data58 = | label59 = T_Jupiter | data59 = 3.430

| 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}}} deg Template:\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}}} 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 = Template:Val<ref name="SIMPS"/> | label72 = Template:Longitem | data72 = | 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 = Template:Nowrap | label81 = Template:Longitem | data81 = 1.73 ± 0.67 g/cm³<ref name="Carry2012"/> | label82 = Template:Longitem | data82 = 0.0333 m/s² | label83 = Template:Longitem | data83 = | label84 = Template:Longitem | data84 = 0.0630 km/s | label85 = Template:Longitem | data85 = Template:Convert<ref name="JPL"/>
37.15 h<ref name="Pilcher2010"/> | 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 | label94 = Temperature | data94 = ~180 K

| data100 = {{#if:|

Surface temp.	min	mean	max
{{{temp_name1}}}
{{{temp_name2}}}
{{{temp_name3}}}
{{{temp_name4}}}

}}

| header110 = Atmosphere

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

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105 Artemis is a main-belt asteroid that was discovered by J. C. Watson on September 16, 1868, at Ann Arbor, Michigan. It was named after Artemis, the goddess of the hunt, Moon, and crossways in Greek Mythology.<ref name="Schmade2003"/>

It is a C-type asteroid,<ref name="DeMeo2011"/> meaning that it is very dark and composed of carbonaceous material. Although it shares a similar orbit to the Phocaea family of S-type asteroids, its classification means 105 Artemis is not a member.<ref name="Carruba2009"/> The spectra of the asteroid displays evidence of aqueous alteration.<ref name=Fornasier1999/>

In 1988, this object was detected with radar from the Arecibo Observatory at a distance of 1.07 AU. The measured radar cross-section was 1,800 km².<ref name="Ostro1991"/> Photometric measurement of this asteroid made in 2010 at Organ Mesa Observatory in Las Cruces, New Mexico, produced an irregular light curve with a period of 37.150 ± 0.001 hours. During each rotation, the brightness varies by 0.16 ± 0.01 in magnitude.<ref name="Pilcher2010"/>

Based upon radar data, the estimated near surface solid density of the asteroid is 3.0Template:±Template:Nowrap.<ref name="Magri2001"/> Refined observations by the Arecibo Observatory, reported in 2006, showed a complex surface with varying albedo. Analysis of the spectra of 105 Artemis shows the presence of hydrated minerals at some rotation angles, but not at others.<ref name="Hanson2006"/>

An occultation of the star HD 197999 was observed in 1982, which gave an estimated chord length of 110 km.<ref name="Byrne1982"/> Between 1981 and 2021, 105 Artemis has been observed to occult 23 stars.

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105 Artemis

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