Leet o Solar Seestem objects bi size
This is a pairtial leet o Solar Seestem objects bi size , arranged in descendin order o mean volumetric radius , an subdividit intae several size classes.
Leet o objects bi radius
Lairger nor 400 km
Bouk (a)
Image
Radius (b)
Vollum
Mass
Density
Gravity (c)
Teep
Shape
# (d)
(km )
(R⊕ )
(109 km3 )
(V⊕ )
(1021 kg)
(M⊕ )
(g/cm3 )
(m/s2 )
(⊕ )
Sun
7005696342000000000♠ 696342 ± 65[ 1]
109.3
1,414,300,000
1,305,700
1,988,550,000
333,000
1.408
274.0
27.94
star
roond (HE)
1
Jupiter
7004699110000000000♠ 69911 ± 6
10.97
1,431,280
1,321
1,898,600
317.83
1.326
24.79
2.528
planet (gas giant ); haes rings
roond (HE)
2
Saturn
7004582320000000000♠ 58232 ± 6(w/o rings)
9.140
827,130
764
568,460
95.162
0.687
10.445
1.065
planet (gas giant ); haes rings
roond (HE)
3
Uranus
7004253620000000000♠ 25362 ± 7
3.981
68,340
63.1
86,832
14.536
1.27
8.69
0.90
planet (ice giant ); haes rings
roond (HE)
4
Neptune
7004246220000000000♠ 24622 ± 19
3.865
62,540
57.7
102,430
17.147
1.638
11.15
1.137
planet (ice giant ); haes raings
roond (HE)
5
Yird
7003637100000000000♠ 6371 .0± 0.01
1
1,083.21
1
5,973.6
1
5.514
9.80665
1
planet (terrestrial )
roond (HE)
6
Venus
7003605180000000000♠ 6051 .8± 1.0(w/o gas)
0.9499
928.43
0.857
4,868.5
0.815
5.243
8.872
0.905
planet (terrestrial )
roond (HE)
7
Maurs
7003338950000000000♠ 3389 .5± 0.2
0.5320
163.18
0.151
641.85
0.107
3.9335 ± 0.0004
3.7
0.38
planet (terrestrial )
roond (HE)
8
Ganymede Jupiter III
7003263410000000000♠ 2634 .1± 0.3
0.4135
76.30
0.0704
148.2
0.0248
1.936
1.428
0.15
muin o Jupiter
roond (HE)
9
Titan Saturn VI
7003257600000000000♠ 2576 ± 2(w/o gas)
0.4043
71.52
0.0660
134.5
0.0225
1.8798 ± 0.0044
1.354
0.14
muin o Saturn
roond (HE)
10
Mercur
7003243969999999999♠ 2439 .7± 1.0
0.3829
60.83
0.0562
330.2
0.0553
5.427
3.7
0.38
planet (terrestrial )
roond (HE)
11
Callisto Jupiter IV
7003241030000000000♠ 2410 .3± 1.5
0.3783
58.65
0.0541
107.6
0.018
1.8344 ± 0.0034
1.23603
0.126
moon of Jupiter
roond (HE)
12
Io Jupiter I
7003182160000000000♠ 1821 .6± 0.5
0.2859
25.32
0.0234
89.3
0.015
3.528 ± 0.006
1.797
0.183
moon of Jupiter
roond (HE)
13
Muin Yird I
7003173710000000000♠ 1737 .1
0.2727
21.958
0.0203
73.5
0.0123
3.3464
1.625
0.166
muin o Yird
roond (HE)
14
Europa Jupiter II
7003156080000000000♠ 1560 .8± 0.5
0.2450
15.93
0.0147
48
0.008035
3.013 ± 0.005
1.316
0.134
moon of Jupiter
roond (HE)
15
Triton Neptune I
7003135340000000000♠ 1353 .4± 0.9
0.2124
10.38
0.0096
21.5
0.003599
2.061
0.782
0.0797
moon of Neptune
roond (HE)
16
Pluto 134340
7003118600000000000♠ 1186 ± 2[ 2]
0.186
6.95
0.0064
13.105
0.0022
1.87 ± 0.02
0.61
0.062
dwarf planet ; plutino ; multiple
roond (HE)
17
Eris 136199
7003116300000000000♠ 1163 ± 6[ 3]
0.1825
6.59
0.006
16.7[ 4]
0.0028
2.52 ± 0.05
0.662
0.0672
dwarf planet ; SDO ; binary
roond (HE)
18
Titania Uranus III
7002788400000000000♠ 788.4± 0.6
0.1237
2.06
0.0019
3.526
0.00059
1.711 ± 0.005
0.378
0.0385
moon of Uranus
roond
19
2007 OR10 225088
7002767000000000000♠ 767+38 −113 [ 5]
0.1200
1.88
0.0017
resonant KBO (3:10)
unknown
20
Rhea Saturn V
7002763800000000000♠ 763.8± 1.0
0.1199
1.87
0.0017
2.3166
0.00039
1.236 ± 0.005
0.26
0.027
moon of Saturn
roond (HE, disputed )
21
Oberon Uranus IV
7002761400000000000♠ 761.4± 2.6
0.1195
1.85
0.0017
3.014
0.0005
1.63 ± 0.05
0.347
0.035
moon of Uranus
roond
22
Iapetus Saturn VIII
7002734500000000000♠ 734.5± 2.8
0.1153
1.55
0.0014
1.9739
0.00033
1.088 ± 0.013
0.223
0.0227
moon of Saturn
roond (not in HE)
23
Makemake 136472
7002715000000000000♠ 715+19 −11 [ 6]
0.112
1.7
.0016
2.3 ± 0.9
dwarf planet ; cubewano
roond
24
Haumea 136108
7002620000000000000♠ 620+34 −29
0.097
1.3–1.6
0.001
4.006
0.00067
2.55[ 7]
0.44
0.045
dwarf planet ; resonant KBO (7:12); trinary
roond (scalene ellipsoid )
25
Charon Pluto I
7002606000000000000♠ 606± 3
0.0951
0.87
0.0008
1.52
0.00025
1.702 ± 0.021
0.279
0.028
moon of Pluto
roond
26
Umbriel Uranus II
7002584700000000000♠ 584.7± 2.8
0.0918
0.84
0.0008
1.2
0.00020
1.39 ± 0.16
0.234
0.024
moon of Uranus
roond
27
Ariel Uranus I
7002578900000000000♠ 578.9± 0.6
0.0909
0.81
0.0007
1.35
0.000226
1.66 ± 0.15
0.269
0.027
moon of Uranus
roond
28
Dione Saturn IV
7002561400000000000♠ 561.4± 0.4
0.0881
0.73
0.0007
1.096
0.000183
1.478 ± 0.003
0.232
0.0237
moon of Saturn
roond (not in HE)
29
Quaoar 50000
7002555000000000000♠ 555± 3
0.0871
1.4 ± 0.1
0.0002
2.2 ± 0.4[ 8]
0.125
0.0127
cubewano ; binary
unknown
30
Tethys Saturn III
7002531100000000000♠ 531.1± 0.6
0.0834
0.624
0.0006
0.6173
0.000103
0.984 ± 0.003[ 9]
0.145
0.015
moon of Saturn
roond (not in HE)
31
Sedna 90377
7002500000000000000♠ 500± 80
0.0785
sednoid ; detached object
unknown
32
Ceres 1
7002473000000000000♠ 473[ 10]
0.0742
0.433
0.0004
0.939[ 11]
0.000157
2.17
0.29
0.030
dwarf planet ; belt asteroid
roond (HE)
33
2002 MS4 307261
7002467000000000000♠ 467± 24
0.0733
cubewano [ 12]
unknown
34
Orcus 90482
7002458000000000000♠ 458± 13
0.0719
2.47[ 13]
plutino ; binary
unknown
35
Salacia 120347
7002425000000000000♠ 425± 23
0.0667
0.45 ± ?
1.16+0.59 −0.36 [ 14]
cubewano ; binary
unknown
36
Notes:
(a) Name o body, includin alternative names uisin Roman numerals tae designate muins (sic as "Jupiter I" for Io ), an nummers tae designate minor planets
(b) Mean radius includin uncertainties
(c) Gien as surface gravity (1 bar for gaseous planets )
(d) Rankin bi radius o the lairgest bodies in the Solar Seestem, mey nae reflect the latest updates o meisurt radii
star giant planet terrestrial planet the Muin, muin o Yird muin o Jupiter muin o Saturn muin o Uranus muin o Neptune muin o Pluto
Frae 200 tae 400 km
Aw imaged icy muins except Proteus wi radii greater nor 200 km are roond, awtho those unner 400 km that hae haed thair shapes carefully meisurt are nae in hydrostatic equilibrium.[ 15] [citation needit ] Maist asteroids are rockier an less likely tae be roond; for ensaumple, 10 Hygiea is nae, while 2 Pallas an 4 Vesta are borderline.[citation needit ]
From 100 to 200 km
This leet conteens a selection of objects estimatit tae be atween 100 an 200 km in radius (200 an 400 km in diameter). The lairgest of thir mey lie abuin the boundary for hydrostatic equilibrium, but maist are irregular. Most o the trans-Neptunian objects listed wi a radius smawer than 200 km hae "assumed sizes based on a generic albedo of 0.09" syne thay are too far away tae directly meisur thair sizes wi existin instruments. Mass switches frae 1021 kg tae 1018 kg (Zg). Main-belt asteroids hae orbital elements constrained bi (2.0 AU < a < 3.2 AU; q > 1.666 AU) accordin tae JPL Solar System Dynamics (JPLSSD).[ 27] This leet is nae complete, missing mony poorly kent TNOs.[ 12]
From 50 to 100 km
This leet conteens a selection of objects 50 an 100 km in radius (100 km tae 200 km in average diameter). The listed objects currently include maist objects in the asteroid belt an moons o the giant planets in this size range, but mony newly discovered objects in the outer Solar System are missing, sic as those included in the follaein reference.[ 12] Asteroid spectral types are maistly Tholen, but some might be SMASS.
Frae 20 tae 50 km
This leet conteens a few ensaumples acause thare are aboot 589 asteroids in the asteroid belt wi a meisurt radius atween 20 an 50 km.[ 47] Mony thoosands o objects o this size range hae yet tae be discovered in the Trans-Neptunian region. The nummer o deegits is nae an endorsement o signeeficant feegurs . The table switches frae × 1018 kg tae × 1015 kg (Eg ), an mony o thir mass vailyies are assumed. (See leet o minor planets .)
From 1 to 20 km
This leet conteens anly a few ensaumples o objects atween 1 an 20 km in radius.
Below 1 km
References
↑
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↑ New Horizons press conference, 2015-7-24
↑
Sicardy, B.; et al. (2011). "Size, density, albedo and atmosphere limit of dwarf planet Eris from a stellar occultation" (PDF) . European Planetary Science Congress Abstracts . 6 : 137. Bibcode :2011epsc.conf..137S . Retrieved 14 September 2011 .
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↑
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↑
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↑
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↑
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↑
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↑
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↑
Fu, R. R.; Hager, B. H.; Ermakov, A.I.; Zuber, M.T. (2013). "Early Viscous Relaxation of Asteroid Vesta and Implications for Late Impact-Driven Despinning" (PDF) . 44th Lunar and Planetary Science Conference . 44 : 2115. Bibcode :2013LPI....44.2115F . CS1 maint: multiple names: authors leet (link )
↑
Asmar, S. W.; Konopliv, A. S.; Park, R. S.; Bills, B. G.; Gaskell, R.; Raymond, C. A.; Russell, C. T.; Smith, D. E.; Toplis, M. J.; Zuber, M. T. (2012). "The Gravity Field of Vesta and Implications for Interior Structure" (PDF) . 43rd Lunar and Planetary Science Conference . 43 : 2600. Bibcode :2012LPI....43.2600A . CS1 maint: multiple names: authors leet (link )
↑ a b
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↑
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↑ a b
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↑
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↑ a b
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↑
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↑
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↑
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↑
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↑
"JPL Small-Body Database Browser: 944 Hidalgo (1920 HZ)" (2008-05-09 last obs). Retrieved 9 Mairch 2008 .
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↑ a b
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↑ ref name=Nolan2013
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↑
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