Prospero (moon)
Template:Short description {{#invoke:infobox|infoboxTemplate | class = vcard | titleclass = fn org | title = Prospero | image = {{#invoke:InfoboxImage|InfoboxImage|image=Prospero - Uranus moon.jpg|upright={{#if:||1.1}}|alt=}} | caption = Discovery image of Prospero, taken by the CFHT in July 1999 | headerstyle = {{#if:|background-color:|background-color:#E0CCFF}} | labelstyle = max-width:{{#if:||11em}}; | autoheaders = y
| header1 = Discovery
| label2 = Discovered by | data2 = Template:Plainlist | label3 = Discovery site | data3 = | label4 = Discovery date | data4 = 18 July 1999 | label5 = Template:Longitem | data5 =
| header10 = {{#if:|Designations|Designations}}
| label11 = Template:Longitem | data11 = Uranus XVIII | label12 = Pronunciation | data12 = Template:IPAc-en<ref>Benjamin Smith (1903), The Century Dictionary and Cyclopedia</ref> | label13 = Template:Longitem | data13 = | label14 = Template:Longitem | data14 = | label15 = Template:Longitem | data15 = | label16 = Adjectives | data16 = Prosperonian Template:IPAc-en,<ref>Emenyonu, Ernest (2003), Emerging perspectives on Chinua Achebe, v. 1.</ref> Prosperian Template:IPAc-en<ref>in scare quotes in Bate (1997) The genius of Shakespeare</ref> | label17 = Symbol | data17 =
| header20 = Orbital characteristics{{#ifeq:|yes| (barycentric)}}
| data21 = | data22 = {{#if: |Epoch {{{epoch}}}}} | data23 = {{#if: | Uncertainty parameter {{{uncertainty}}}}} | label24 = Observation arc | data24 = | label25 = Earliest precovery date | data25 = | label26 = {{#switch:{{{apsis}}} |apsis|gee|barion|center|centre|(apsis)=Apo{{{apsis}}} |Ap{{#if:|{{{apsis}}}|helion}}}} | data26 = | label27 = Peri{{#if:|{{{apsis}}}|helion}} | data27 = | 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 = | label33 = Template:Longitem | data33 = 16,256,000 kmTemplate:Sfn<ref name="JPL" /> | label34 = Eccentricity | data34 = 0.4448<ref name="JPL" /> | label35 = Template:Longitem | data35 = 1978.29 d | label36 = Template:Longitem | data36 = | label37 = Template:Longitem | data37 = | label38 = Template:Longitem | data38 = | label39 = Template:Longitem | data39 = | label40 = Inclination | data40 = 152°Template:Sfn (to the ecliptic)Template:Sfn | label41 = Template:Longitem | data41 = | label42 = Template:Longitem | data42 = | label43 = Template:Longitem | data43 = | label44 = Template:Longitem | data44 = | label45 = Template:Longitem | data45 = | label46 = Template:Nowrap | data46 = | label47 = Satellite of | data47 = Uranus | 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:| Physical characteristics|Physical characteristics}}
| label71 = Dimensions
| data71 =
| label72 = Template:Longitem
| data72 =
| label73 = Template:Longitem
| data73 = 25 km (estimate)Template:Refn
<50 km<ref name="FarkasTakacs2017"/>
| label74 = Template:Longitem
| data74 =
| label75 = Template:Longitem
| data75 =
| label76 = Flattening
| data76 =
| label77 = Circumference
| data77 =
| label78 = Template:Longitem
| data78 = ~8000 km2 (estimate)
| label79 = Volume
| data79 = ~65,000 km3 (estimate)
| label80 = Mass
| data80 = ~8.5Template:E kg (estimate)
| label81 = Template:Longitem
| data81 = ~1.3 g/cm3 (assumed)
| label82 = Template:Longitem
| data82 = ~0.0063 m/s2 (estimate)
| label83 = Template:Longitem
| data83 =
| label84 = Template:Longitem
| data84 = ~0.021 km/s (estimate)
| label85 = Template:Longitem
| data85 = Template:Val<ref name="FarkasTakacs2017"/>
| 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: |Template:Longitem |Albedo}}
| data93 = 0.04 (assumed)Template:Refn
| label94 = Temperature
| data94 = ~65 K (estimate)
| 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 = | label104 = Template:Longitem | data104 = | label105 = Template:Longitem | data105 = | label106 = Template:Longitem | data106 = | label107 = Template:Longitem | data107 =
| header110 = Atmosphere
| label111 = Template:Longitem | data111 = | label112 = Template:Longitem | data112 = | label113 = Composition by volume | data113 =
| below = {{#if:||Template:Reflist }}
}}{{#invoke:Check for unknown parameters|check|unknown=Template:Main other|preview=Page using Template:Infobox planet with unknown parameter "_VALUE_"|ignoreblank=y| abs_magnitude | adjective | adjectives | albedo | allsatellites | alt_names | angular_dist | angular_size | aphelion | apoapsis | apsis | apoastron | arg_peri | asc_node | atmosphere | atmosphere_composition | atmosphere_ref | avg_speed | axial_tilt | background | barycentric | bgcolour | caption | circumference | declination | density | dimensions | discovered | discoverer | discovery_method | discovery_ref | discovery_site | earliest_precovery_date | eccentricity | epoch | equatorial_radius | escape_velocity | exosolar planets | extrasolarplanet | family | flattening | group | image | image_alt | image_scale | inclination | jupiter_moid | label_width | long_periastron | magnitude | mars_moid | mass | max_temp_1 | max_temp_2 | max_temp_3 | max_temp_4 | mean_anomaly | mean_diameter | mean_motion | mean_orbit_radius | mean_radius | mean_temp_1 | mean_temp_2 | mean_temp_3 | mean_temp_4 | mercury_moid | min_temp_1 | min_temp_2 | min_temp_3 | min_temp_4 | minorplanet | moid | moment_of_inertia_factor | mp_category | mp_name | mpc_name | name | named_after | neptune_moid | node_rate | note | observation_arc | orbit_diagram | orbit_ref | p_eccentricity | p_inclination | p_mean_motion | p_orbit_ref | p_semimajor | periapsis | periastron | perihelion | perihelion_rate | period | physical_ref | polar_radius | pole_ecliptic_lat | pole_ecliptic_lon | pronounce | pronounced | right_asc_north_pole | rot_velocity | rotation | satellite_of | satellites | saturn_moid | scale_height | semi-amplitude | semimajor | sidereal_day | single_temperature | spectral_type | star | surface_area | surface_grav | surface_pressure | surface_absorbed_dose_rate | surface_equivalent_dose_rate | symbol | synodic_period | temp_name1 | temp_name2 | temp_name3 | temp_name4 | time_periastron | tisserand | uncertainty | uranus_moid | venus_moid | volume }}
Prospero is a relatively small retrograde irregular satellite of Uranus discovered on 18 July 1999 by the astrophysicist Matthew Holman and his team, and given the provisional designation S/1999 U 3. Confirmed as Uranus XVIII it was named after the sorcerer Prospero in William Shakespeare's play The Tempest.
The orbital parameters suggest that it may belong to the same dynamic cluster as Sycorax and Setebos, suggesting common origin.<ref name="Grav 2003" /> However, this suggestion does not appear to be supported by the observed colours. The satellite appears neutral (grey) in visible light (colour indices B−V=0.80, R−V=0.39),Template:Sfn similar to Setebos but different from Sycorax (which is light red).
See alsoEdit
ReferencesEdit
External linksEdit
- Prospero Profile by NASA's Solar System Exploration
- David Jewitt pages
- Uranus' Known Satellites (by Scott S. Sheppard)
- MPC: Natural Satellites Ephemeris Service
Template:Uranus {{#invoke:Navbox|navbox}} Template:Solar System moons (compact)