Wikipedia

101955 Bennu: Perbedaan antara revisi

Jelajahi riwayat secara interaktif
← Revisi sebelumnyaRevisi selanjutnya →
Konten dihapus Konten ditambahkan
VisualTeks wiki
kTidak ada ringkasan suntingan
NFarras (bicara | kontrib)
Pengurus
26.829 suntingan
Tidak ada ringkasan suntingan
Baris 1:
{{short description|salah satu asteroid dekat Bumi yang paling berbahaya}}
{{Infobox Planet
{{Infobox planet
|minorplanet = yes
| minorplanet = yes
|width = 25em
| background = #FFC2E0
|bgcolour =
| name = 101955 Bennu
|apsis =
| pronounced = {{IPAc-en|'|b|ɛ|n|u:}}<ref>{{dict.com|Bennu}}</ref>
|name = 101955 Bennu
| named_after = [[Bennu]]
|symbol =
| image = BennuAsteroid.jpg
| image_size = 250px
|caption =
| image_alt =
|discovery = yes
| caption = Gambar mosaik asteroid Bennu yang tersusun atas 12 gambar PolyCam hasil pengamatan wahana antariksa [[OSIRIS-REx]] pada 2 Desember 2018. OSIRIS-REx saat itu berjarak {{convert|24|km|mi|abbr=on}} dari asteroid Bennu.
|discovery_ref =
| discovery_ref = <ref name="jpldata" />
|discoverer =LINEAR
| discoverer = [[Lincoln Near-Earth Asteroid Research|LINEAR]]
|discovery_site =704
| discovered = 1999/09/11 September 1999
| discovery_site = [[MIT Lincoln Laboratory#Lincoln Laboratory's ETS|Lincoln Lab's ETS]]
|designations = yes
| mpc_name = (101955) Bennu
|mp_name =
| mp_category = [[Asteroid Apollo|Apollo]]{{·}}[[Objek dekat Bumi|NEO]]{{·}}[[Objek berpotensi berbahaya|PHA]]
|alt_names =
| alt_names = {{mp|1999 RQ|36}}
|mp_category =
| orbit_ref = <ref name="jpldata" />
| epoch = 31 Juli 2016 ([[hari Julian|JD]] 2457600.5)
|epoch =
| uncertainty = 0
|aphelion =1.355
| observation_arc = 13.36 tahun (4880 hari)
|perihelion =0.897
| aphelion = {{convert|1.3559|au|Gm|abbr=on|lk=on}}
|semimajor =1.126
| perihelion = {{convert|0.89689|au|Gm|abbr=on}}
|eccentricity =0.204
| semimajor = {{convert|1.1264|au|Gm|abbr=on}}
|period =
| eccentricity = 0.20375
|avg_speed =
| period = 1.1955 [[tahun Julian (astronomi)|tahun]] (436.65 [[tahun Julian (astronomi)|hari]])
|inclination =6.0
| avg_speed = {{convert|28.0|km/s|mph|abbr=on}}
|asc_node =2.0
| inclination = 6.0349°
|mean_anomaly =237.8
| asc_node = 2.0609°
|arg_peri =66.3
| mean_anomaly = 101.7039[[Derajat (sudut)|°]]
|satellites =
| mean_motion = {{Deg2DMS|0.82446|sup=ms}} / day
|physical_characteristics = yes
| arg_peri = 66.2231°
|dimensions =
| moid = {{convert|0.0032228|au|km|abbr=on}}
|mass =
| venus_moid = {{convert|0.194|au|km|abbr=on}}<ref name="mpc"/>
|density =
| mars_moid = {{convert|0.168|au|km|abbr=on}}<ref name="mpc"/>
|surface_grav =
| jupiter_moid = {{convert|3.877|au|Gm|abbr=on}}
|escape_velocity =
| tisserand = 5.525
|sidereal_day =
| p_orbit_ref = <ref name=neodys />
|axial_tilt =
| p_semimajor =
|pole_ecliptic_lat =
| p_eccentricity = 0.21145
|pole_ecliptic_lon =
| p_inclination = 5.0415°
|albedo =
| p_mean_motion = 301.1345
|temperatures=
| physical_ref = <ref name="Lauretta2019Nature">{{cite journal |last1= Lauretta |first1= D. S. |date= March 19, 2019 |title= The unexpected surface of asteroid (101955) Bennu|journal=[[Nature (journal)|Nature]] |volume= 568 |issue= 7750 |pages=55–60 |doi= 10.1038/s41586-019-1033-6|pmid= 30890786 |pmc= 6557581 |bibcode= 2019Natur.568...55L }}</ref>
|temp_name1 =
| dimensions = {{val|565|x|535|x|508|ul=m}}<ref name="jpldata" />
|mean_temp_1 =
| mean_radius = {{val|245.03|0.08|u=m}}
|max_temp_1 =
| equatorial_radius = {{val|282.37|0.06|u=m}}
|temp_name2 =
| polar_radius = {{val|249.25|0.06|u=m}}
|max_temp_2 =
| volume = {{val|0.0615|0.0001|u=km3}}
|spectral_type =
| surface_area = {{val|0.782|0.004|u=km2}}
|abs_magnitude =20.9
| mass = {{val|7.329|0.009|e=10|u=kg}}
| surface_grav = 6.27 mikro-[[Gravitasi Bumi|g]]<ref name="Barnouin2019Nature">{{cite journal |last1= Barnouin |first1= O. S. |date= March 19, 2019 |title= Shape of (101955) Bennu indicative of a rubble pile with internal stiffness|journal=[[Nature Geoscience]] |volume= 12 |issue= 4 |pages= 247–252 |doi= 10.1038/s41561-019-0330-x|pmid= 31080497 |pmc= 6505705 |bibcode= 2019NatGe..12..247B }}</ref>
| density = {{val|1.190|.013|u=g/cm3}}
| axial_tilt = {{val|177.6|0.11}}°
| right_asc_north_pole = {{val|+85.65|0.12}}°
| declination = {{val|−60.17|0.09}}°
| rotation = {{val|4.296057|0.000002|ul=h}}
| albedo = {{val|0.044|0.002}}
| spectral_type = [[B-type asteroid|B]]<ref name="jpldata" /><ref name="Lauretta2019Nature" /><br />[[F-type asteroid|F]]<ref name="Cellino2018" />
| abs_magnitude = 20.9
| temp_name1 = Kelvin<ref name="PHL" />
| min_temp_1 = 236
| mean_temp_1 = 259
| max_temp_1 = 279
| temp_name2 = Fahrenheit
| min_temp_2 = -34.6
| mean_temp_2 = 6.8
| max_temp_2 = 42.8
| temp_name3 = Celsius
| min_temp_3 = -37
| mean_temp_3 = -14
| max_temp_3 = 6
}}
'''101955 Bennu''' (1999 RQ36) adalah sebuah [[asteroid]]. Asteroid ini merupakan bagian dari [[asteroid Apollo]], yang terletak dekat dengan [[bumi]]. [[Eksentrisitas orbit]] asteroid ini tercatat sebesar 0.204, sementara [[magnitudo mutlak]]nya adalah 20.9.
Baris 60 ⟶ 82:
 
== Referensi ==
{{Reflist|refs=
<ref name="jpldata">
| type = 2017-09-01 last observation. Solution includes non-gravitational parameters
| title = JPL Small-Body Database Browser: 101955 Bennu (1999 RQ36)
| publisher = [[Jet Propulsion Laboratory]]
| url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=101955;cad=1
| archiveurl = https://web.archive.org/web/20180319121233/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=101955;cad=1
| archivedate= 19 March 2018
| url-status = live
| access-date = 20 August 2016}}</ref>
 
<ref name=neodys>{{cite web | url=https://newton.spacedys.com/neodys/index.php?pc=1.1.0&n=101955 | title=(101955) Bennu | publisher=University of Pisa | website=NEODyS | access-date=1 December 2015}}</ref>
{{Reflist}}
 
<ref name="mpc">{{cite web
== Pranala luar ==
| title=(101955) Bennu = 1999 RQ36 Orbit
| publisher=[[Minor Planet Center]]
| url=https://www.minorplanetcenter.net/db_search/show_object?object_id=Bennu
| access-date=2018-03-21
}}</ref>
 
<ref name="PHL">{{cite web | url=http://phl.upr.edu/projects/habitable-exoplanets-catalog/calculators | title=Planetary Habitability Calculators | publisher=University of Puerto Rico at Arecibo | website=Planetary Habitability Laboratory | access-date=6 December 2015}}</ref>
 
<ref name="Cellino2018">{{Cite journal
| title=Unusual polarimetric properties of (101955) Bennu: similarities with F-class asteroids and cometary bodies
| journal=Monthly Notices of the Royal Astronomical Society: Letters
| volume=481
| issue=1
| pages=L49–L53
| arxiv=1808.07812
| last1=Hergenrother
| first1=Carl W
| author2=Maria Antonietta Barucci
| last3=Barnouin
| first3=Olivier
| last4=Bierhaus
| first4=Beau
| last5=Binzel
| first5=Richard P
| last6=Bottke
| first6=William F
| last7=Chesley
| first7=Steve
| last8=Clark
| first8=Ben C
| last9=Clark
| first9=Beth E
| last10=Cloutis
| first10=Ed
| author11=Christian Drouet d'Aubigny
| last12=Delbo
| first12=Marco
| last13=Emery
| first13=Josh
| last14=Gaskell
| first14=Bob
| last15=Howell
| first15=Ellen
| last16=Keller
| first16=Lindsay
| last17=Kelley
| first17=Michael
| last18=Marshall
| first18=John
| last19=Michel
| first19=Patrick
| last20=Nolan
| first20=Michael
| last21=Rizk
| first21=Bashar
| last22=Scheeres
| first22=Dan
| last23=Takir
| first23=Driss
| last24=Vokrouhlický
| first24=David D
| last25=Beshore
| first25=Ed
| last26=Lauretta
| first26=Dante S
| s2cid=119226483
| year=2018
| doi=10.1093/mnrasl/sly156
| bibcode=2018MNRAS.481L..49C
}}</ref>
 
 
}}
 
== Pranala luar ==
* [http://www.minorplanetcenter.net/iau/lists/t_apollos.html Daftar asteroid Apollo] - ''The International Astronomical Union Minor Planet Center.''
{{asteroid-stub}}
Diperoleh dari "https://wiki-indonesia.club/wiki/101955_Bennu"