# Solar System by polar radius

(Redirected from Solar System by diameter)

Solar System objects sorted by decreasing polar radius.

## list

1. Star Sol: $\displaystyle{ \bar{r} }$ = 6.957E8 m = 695700 km; re = 6.963E8 m = 696300 km; rp = 6.945E8 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
2. Planet V Jupiter: $\displaystyle{ \bar{r} }$ = (6.9911E7 ± 6E3) m = (69911 ± 6) km; re = 7.1492E7 m = 71492 km; rp = 6.6749E7 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
3. Planet VI Saturn: $\displaystyle{ \bar{r} }$ = (5.8232E7 ± 6E3) m = (58232 ± 6) km; re = 6.0268E7 m = 60268 km; rp = 5.4160E7 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
4. Planet VII Uranus: $\displaystyle{ \bar{r} }$ = (2.53636666666666666666666666666667E7 ± 7.1802197428460053750009473220537E3) m = (2re + rp)/3; re = (2.5559E7 ± 4E3) m = (25559 ± 4) km; rp = (2.4973E7 ± 2E4) m = (24973 ± 20) km
5. Planet VIII Neptune: $\displaystyle{ \bar{r} }$ = (2.4623E7 ± 1.4142135623730950488016887242097E4) m = (2re + rp)/3; re = (2.4764E7 ± 1.5E4) m = (24764 ± 15) km; rp = (2.4341E7 ± 3E4) m = (24341 ± 30) km
6. Planet III Terra: $\displaystyle{ \bar{r} }$ = 6.3710087713801186159507022871767E6 m = (2re + rp)/3; re = 6.378137E6 m = 6378.137 km; rp = 6.3567523141403558478521068615295E6 m = −(f − 1)re
7. Planet II Venus: $\displaystyle{ \bar{r} }$ = (6.0518E6 ± 1.0E3) m = (6051.8 ± 1.0) km; re = 6.0518001540473630205875615870764E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 6.0517996919052739588248768258470E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
8. Planet IV Mars: $\displaystyle{ \bar{r} }$ = (3.3895333333333333333333333333333E6 ± 7.4535599249992989880305788957709E1) m = (2re + rp)/3; re = (3.3962E6 ± 1E2) m = (3396.2 ± 0.1) km; rp = (3.3762E6 ± 1E2) m = (3376.2 ± 0.1) km
9. Jovian Satellite III Ganymede: $\displaystyle{ \bar{r} }$ = (2.6341E6 ± 3E2) m = (2634.1 ± 0.3) km; re = 2.6343095368525535298979659694619E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 2.6336809262948929402040680610762E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
10. Saturnian Satellite VI Titan: $\displaystyle{ \bar{r} }$ = (2.57473E6 ± 9E1) m = (2574.73 ± 0.09) km; re = 2.5747724234666186838664982852257E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 2.5746451530667626322670034295486E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
11. Planet I Mercury: $\displaystyle{ \bar{r} }$ = (2.4394E6 ± 1E2) m = (2439.4 ± 0.1) km; re = 2.4401320396118835650695208562569E6 m = $\displaystyle{ \frac {-3\bar{r}} {f - 3} }$; rp = 2.4379359207762328698609582874862E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
12. Jovian Satellite IV Callisto: $\displaystyle{ \bar{r} }$ = (2.4103E6 ± 1.5E3) m = (2410.3 ± 1.5) km; re = 2.4103371835504931845570782568187E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 2.4102256328990136308858434863626E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
13. Jovian Satellite I Io: $\displaystyle{ \bar{r} }$ = (1.8216E6 ± 5E2) m = (1821.6 ± 0.5) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 1.82435E6 m; $\displaystyle{ r_{\mathrm{e}_a} }$ = 1.8300E6 m = ½(3660.0) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 1.8187E6 m = ½(3637.4) km; rp = 1.8161E6 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
14. Terran Satellite I Luna: $\displaystyle{ \bar{r} }$ = (1.7375E6 ± 1E2) m = (1737.5 ± 0.1) km; re = 1.7381E6 m = 1738.1 km; rp = 1.7363E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
15. Jovian Satellite II Europa: $\displaystyle{ \bar{r} }$ = (1.5608E6 ± 5E2) m = (1560.8 ± 0.5) km; re = 1.5611236919764961281816837445995E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 1.5601526160470077436366325108010E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
16. Neptunian Satellite I Triton: $\displaystyle{ \bar{r} }$ = (1.3534E6 ± 9E2) m = (1353.4 ± 0.9) km; re = 1.3535499400913007069568216942597E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 1.3531001198173985860863566114806E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
17. Minor Planet 134340 Pluto: $\displaystyle{ \bar{r} }$ = (1.1883E6 ± 8E2) m = (1188.3 ± 0.8) km; re = 1.1884238844601665333822436493119E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 1.1880522310796669332355127013762E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
18. Minor Planet 136199 Eris: $\displaystyle{ \bar{r} }$ = (1.163E6 ± 6E3) m = (1163 ± 6) km; re = 1.1630147197975619502929207033168E6 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 1.1629705604048760994141585933664E6 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
19. Uranian Satellite III Titania: $\displaystyle{ \bar{r} }$ = (7.884E5 ± 6E2) m = (788.4 ± 0.6) km; re = 7.8844870718447305101466061189134E5 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 7.8830258563105389797067877621730E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
20. Saturnian Satellite V Rhea: $\displaystyle{ \bar{r} }$ = (7.635E5 ± 5E2) m = (763.5 ± 0.5) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 7.645E5 m; $\displaystyle{ r_{\mathrm{e}_a} }$ = 7.662E5 m = ½(1532.4) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 7.628E5 m = ½(1525.6) km; rp = 7.615E5 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
21. Uranian Satellite IV Oberon: $\displaystyle{ \bar{r} }$ = (7.614E5 ± 2.6E3) m = (761.4 ± 2.6) km; re = 7.6141968120770514618407674466361E5 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 7.6136063758458970763184651067280E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
22. Saturnian Satellite VIII Iapetus: $\displaystyle{ \bar{r} }$ = (7.356E5 ± 1.5E3) m = (735.6 ± 1.5) km; re = 7.460E5 m = ½(1492.0) km/2; rp = 7.148E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
23. Minor Planet 136472 Makemake: $\displaystyle{ \bar{r} }$ = (7.1466666666666666666666666666667E5 ± 1.6492422502470642199285639423896E4) m = (2re + rp)/3; re = (7.17E5 ± 2.4E4) m = ½(1434 ± 48) km; rp = (7.10E5 ± 1.2E4) m = ½(1420 ± 24) km
24. Minor Planet 225088 Gonggong: $\displaystyle{ \bar{r} }$ = (6.15E5 ± 2.5E4) m = (615 ± 25) km; re = 6.1643835616438356164383561643836E5 m = $\displaystyle{ \frac {-3\bar{r}} {f - 3} }$; rp = 6.1212328767123287671232876712330E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
25. Plutonian Satellite I Charon: $\displaystyle{ \bar{r} }$ = (6.060E5 ± 5E2) m = (606.0 ± 0.5) km; re = (6.0606865413970536945675888781037E5 ± 5.0005671197122533062575234989123E2) m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = (6.0586269172058926108648222437930E5 ± 1.8028385564852699931159110236698E3) m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
26. Uranian Satellite II Umbriel: $\displaystyle{ \bar{r} }$ = (5.847E5 ± 2.8E3) m = (584.7 ± 2.8) km; re = 5.8487439087043772520442710000016E5 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 5.8435121825912454959114579999970E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
27. Uranian Satellite I Ariel: $\displaystyle{ \bar{r} }$ = (5.789E5 ± 6E2) m = (578.9 ± 0.6) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 5.795E5 m; $\displaystyle{ r_{\mathrm{e}_a} }$ = 5.811E5 m = ½(1162.2) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 5.779E5 m = ½(1155.8) km; rp = 5.777E5 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
28. Saturnian Satellite IV Dione: $\displaystyle{ \bar{r} }$ = (5.614E5 ± 4E2) m = (561.4 ± 0.4) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 5.6285E5 m; $\displaystyle{ r_{\mathrm{e}_a} }$ = 5.644E5 m = ½(1128.8) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 5.613E5 m = ½(1122.6) km; rp = 5.585E5 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
29. Saturnian Satellite III Tethys: $\displaystyle{ \bar{r} }$ = (5.311E5 ± 6E2) m = (531.1 ± 0.6) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 5.3355E5 m; $\displaystyle{ r_{\mathrm{e}_a} }$ = 5.384E5 m = ½(1076.8) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 5.287E5 m = ½(1057.4) km; rp = 5.262E5 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
30. Minor Planet 136108 Haumea: $\displaystyle{ \bar{r} }$ = (8.42E5 ± 1.1411495179082459842101968196286E4) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b} + r_\mathrm{p})/3 }$; $\displaystyle{ \bar{r}_\mathrm{e} }$ = (1.0065E6 ± 1.5132745950421555927191862049341E4) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = (1.161E6 ± 3E4) m = ½(2322 ± 60) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = (8.520E5 ± 4E3) m = ½(1704 ± 8) km; rp = (5.130E5 ± 1.6E4) m = ½(1026 ± 32) km
31. Minor Planet 50000 Quaoar: $\displaystyle{ \bar{r} }$ = (5.43E5 ± 2E3) m = (543 ± 2) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 5.915E5 m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = 6.43E5 m = ½(1286) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 5.40E5 m = ½(1080) km; rp = 4.46E5 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
32. Minor Planet 1 Ceres: $\displaystyle{ \bar{r} }$ = (4.700E5 ± 5.7735026918962576450914878050195E1) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b} + r_\mathrm{p})/3 }$; $\displaystyle{ \bar{r}_\mathrm{e} }$ = (4.8205E5 ± 7.0710678118654752440084436210485E1) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = (4.831E5 ± 1E2) m = ½(966.2 ± 0.2) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = (4.810E5 ± 1E2) m = ½(962.0 ± 0.2) km; rp = (4.459E5 ± 1E2) m = ½(891.8 ± 0.2) km
33. Minor Planet 90377 Sedna: $\displaystyle{ \bar{r} }$ = (4.53E5 ± 1.57E5) m = (453 ± 157) km; re = 4.5746361861673832041563774137165E5 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 4.4407276276652335916872451725670E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
34. Minor Planet 90482 Orcus: $\displaystyle{ \bar{r} }$ = (4.585E5 ± 1.25E4) m = ½(917 ± 25) km; re = 4.7243571337591407021535814627936E5 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp = 4.3062857324817185956928370744128E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
35. Minor Planet 307261 (2002 MS4): $\displaystyle{ \bar{r} }$ = (4.02666666666666666666666666666667E5 ± 8.7496031656044581754577315089968E3) m = (2re + rp)/3; re = (4.115E5 ± 1E4) m = ½(823 ± 20) km; rp = (3.85E5 ± 1.7E4) m = ½(770 ± 34) km
36. Minor Planet 532037 (2013 FY27): r = (3.7E5 ± 4E4) m = (370 ± 40) km

### Main Asteroid Belt

1. Minor Planet 1 Ceres
2. Minor Planet 2 Pallas: $\displaystyle{ \bar{r} }$ = (2.58E5 ± 3.4641016151377545870548926830117E3) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b} + r_\mathrm{p})/3 }$; $\displaystyle{ \bar{r}_\mathrm{e} }$ = (2.75E5 ± 4.2426406871192851464050661726291E3) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = (2.84E5 ± 6E3) m = ½(568 ± 12) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = (2.66E5 ± 6E3) m = ½(532 ± 12) km; rp = (2.24E5 ± 6E3) m = ½(448 ± 12) km
3. Minor Planet 4 Vesta: $\displaystyle{ \bar{r} }$ = (2.627E5 ± 1E2) m = (262.7 ± 0.1) km; $\displaystyle{ \bar{r}_\mathrm{e} }$ = 2.8245E5 m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = 2.863E5 m = ½(572.6) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = 2.786E5 m = ½(557.2) km; rp = 2.232E5 m = $\displaystyle{ 3\bar{r} - r_{\mathrm{e}_a} - r_{\mathrm{e}_b} }$
4. Minor Planet 10 Hygiea: $\displaystyle{ \bar{r} }$ = (2.1733333333333333333333333333333E5 ± 4.0824829046386301636621401245099E3) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b} + r_\mathrm{p})/3 }$; $\displaystyle{ \bar{r}_\mathrm{e} }$ = (2.20E5 ± 3.5355339059327376220042218105242E3) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = (2.25E5 ± 5E3) m = ½(450 ± 10) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = (2.15E5 ± 5E3) m = ½(430 ± 10) km; rp = (2.12E5 ± 1E4) m = ½(424 ± 20) km
5. Minor Planet 704 Interamnia: $\displaystyle{ \bar{r} }$ = (1.70E5 ± 2.3094010767585030580365951220078E3) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b} + r_\mathrm{p})/3 }$; $\displaystyle{ \bar{r}_\mathrm{e} }$ = (1.775E5 ± 2.8284271247461900976033774484194E3) m = $\displaystyle{ (r_{\mathrm{e}_a} + r_{\mathrm{e}_b})/2 }$; $\displaystyle{ r_{\mathrm{e}_a} }$ = (1.81E5 ± 4E3) m = ½(362 ± 8) km; $\displaystyle{ r_{\mathrm{e}_b} }$ = (1.74E5 ± 4E3) m = ½(348 ± 8) km; rp = (1.55E5 ± 4E3) m = ½(310 ± 8) km

## notes

• π = 3.1415926535897932384626433832795 = $\displaystyle{ \int_{-1}^1 (1 - x^2)^{-1/2} \operatorname{d}x }$
• G = (6.67430E-11 ± 1.5E-15) m2N/kg2 = 6.67430[15]E-11 m2N/kg2
• fTerra = 298.257222101−1
• PVenus = 2.099715264E7 s = 243.0226 d
• PGanymede = 6.18153375744E5 s = 7.15455296 d
• PTitan = 1.377648E6 s = 15.945 d
• fMercury = 0.0009
• PCallisto = 1.44193118976E6 s = 16.6890184 d
• PEuropa = 3.068220384E5 s = 3.551181 d
• PTriton = 5.07773E5 s = 5:21:02:53 d
• PPluto = 5.51856672E5 s = 6.387230 d
• PEris = 1.3639104E6 s = 15.786 d
• PTitania = 7.522186176E5 s = 8.706234 d
• POberon = 1.1632234176E6 s = 13.463234 d
• fGonggong = 0.007
• PCharon = (5.5185589E5 ± 3.5E-1) s = 6:09:17:35.89 d ± 0.35 s
• PUmbriel = 3.580416E5 s = 4.144 d
• PSedna = (3.69828E4 ± 7.2) s = (10.273 ± 0.002) h
• POrcus = 3.78E4 s = 10.5 h
• PMP55565 = (3.1932E4 ± 3.6E1) s = (8.87 ± 0.01) h [Minor Planet 55565 (2002 AW197)]
• $\displaystyle{ \bar{r}_\mathrm{MP55565} }$ = (3.84E5 ± 1.9E4) m = (384 ± 19) km; re,MP55565 = 4.0015376090595552759152462595429E5 m = $\displaystyle{ \left( \frac {5π} {4G\bar{ρ}_{\mathrm{Quaoar},\mathrm{Salacia},\mathrm{Varda},\mathrm{Varuna}}P^2} + 1 \right) \bar{r} }$; rp,MP55565 = 3.5169247818808894481695074809142E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
• PSalacia = 2.1924E4 s = 6.09 h [Minor Planet 120347 Salacia]
• $\displaystyle{ \bar{r}_\mathrm{Salacia} }$ = (4.23E5 ± 1.05E4) m = ½(846 ± 21) km; re,Salacia = 4.6047921996258797966070039730641E5 m = $\displaystyle{ \left( \frac {5π^2\bar{r}^3} {3GmP^2} + 1 \right) \bar{r} }$; rp,Salacia = 3.4804156007482404067859920538718E5 m = $\displaystyle{ 3\bar{r} - 2r_\mathrm{e} }$
• $\displaystyle{ \bar{ρ}_{\mathrm{Quaoar},\mathrm{Salacia},\mathrm{Varda},\mathrm{Varuna}} }$ = 1.3717011245271678743590642499140E3 kg/m3
• d ≡ 8.64E4 s ≡ 24 h
• h ≡ 3.6E3 s ≡ 60 min
• min ≡ (6E1 ≡ 60) s