🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.52 AU - 0.58 AU

Year: 150 Days

Day: 40 Hours

Environment

Temp: 193 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.55 AU - 0.89 AU

Year: 225 Days

Day: 24.5 Hours

Environment

Temp: 103 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.35 AU - 3.27 AU

Year: 1738 Days

Day: 34.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,201,229 km

• M1: 49,068 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.6 AU - 3.96 AU

Year: 2192 Days

Day: 22.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 124 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,201,229 km

• M1: 178,321 km (0.076 R)
• M2: 1,688,062 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.62 AU - 3.64 AU

Year: 2552 Days

Day: 38.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,201,229 km

• M1: 143,764 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.4

Radius: 14.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.64 AU - 6.78 AU

Year: 5710 Days

Day: 13 Hours

Environment

Temp: -155 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 35,201,229 km

• M1: 181,612 km (0.067 R)
• M2: 285,134 km (0.104 R)
• M3: 374,892 km (0.099 R)
• M4: 531,372 km (0.089 R)
• M5: 745,297 km (0.12 R)
• M6: 990,488 km (0.115 R)
• M7: 1,313,619 km (0.104 R)
• M8: 1,442,123 km (0.025 R)
• M9: 2,225,717 km (0.104 R)
• M10: 2,349,883 km (0.073 R)
• M11: 2,492,301 km (0.089 R)
• M12: 2,621,553 km (0.052 R)
• M13: 2,786,260 km (0.103 R)
• M14: 2,971,463 km (0.053 R)
• M15: 3,195,859 km (0.11 R)
• M16: 3,372,385 km (0.115 R)
• M17: 3,515,849 km (0.083 R)
• M18: 3,846,460 km (0.079 R)
• M19: 4,303,183 km (0.102 R)
• M20: 4,677,177 km (0.117 R)
• M21: 4,797,454 km (0.09 R)
• M22: 4,939,273 km (0.105 R)
• M23: 5,226,950 km (0.067 R)
• M24: 5,499,068 km (0.105 R)
• M25: 5,775,824 km (0.076 R)
• M26: 5,948,610 km (0.102 R)
• M27: 6,057,367 km (0.115 R)
• M28: 6,276,977 km (0.116 R)
• M29: 6,679,096 km (0.08 R)
• M30: 6,769,603 km (0.041 R)
• M31: 6,974,702 km (0.111 R)
• M32: 7,112,631 km (0.063 R)
• M33: 7,228,270 km (0.098 R)
• M34: 7,414,669 km (0.106 R)
• M35: 7,720,896 km (0.073 R)
• M36: 7,959,355 km (0.114 R)
• M37: 9,112,605 km (0.087 R)
• M38: 10,187,166 km (0.115 R)
• M39: 10,633,566 km (0.09 R)
• M40: 10,819,217 km (0.09 R)
• M41: 11,464,134 km (0.119 R)
• M42: 12,176,818 km (0.115 R)
• M43: 12,988,686 km (0.075 R)
• M44: 13,215,775 km (0.099 R)
• M45: 13,789,184 km (0.073 R)
• M46: 14,605,689 km (0.115 R)
• M47: 14,753,192 km (0.102 R)
• M48: 15,228,465 km (0.103 R)
• M49: 15,438,051 km (0.067 R)
• M50: 16,072,346 km (0.107 R)
• M51: 16,194,119 km (0.109 R)
• M52: 16,530,714 km (0.101 R)
• M53: 16,622,867 km (0.103 R)
• M54: 16,869,553 km (0.088 R)
• M55: 17,024,238 km (0.118 R)
• M56: 17,210,637 km (0.112 R)
• M57: 17,648,210 km (0.1 R)
• M58: 17,773,873 km (0.119 R)
• M59: 18,343,242 km (0.08 R)
• M60: 18,438,686 km (0.069 R)
• M61: 18,630,021 km (0.03 R)
• M62: 18,822,105 km (0.091 R)
• M63: 18,918,446 km (0.049 R)
• M64: 19,079,264 km (0.098 R)
• M65: 19,402,395 km (0.066 R)
• M66: 19,662,247 km (0.065 R)
• M67: 20,218,152 km (0.069 R)
• M68: 20,382,560 km (0.118 R)
• M69: 20,945,198 km (0.085 R)
• M70: 21,178,421 km (0.085 R)
• M71: 22,289,185 km (0.08 R)
• M72: 22,459,128 km (0.087 R)
• M73: 22,766,103 km (0.056 R)
• M74: 22,971,501 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 11.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.9 AU - 8.34 AU

Year: 7010 Days

Day: 8.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 107.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 35,201,229 km

• M1: 148,850 km (0.059 R)
• M2: 266,583 km (0.084 R)
• M3: 548,725 km (0.112 R)
• M4: 1,157,738 km (0.103 R)
• M5: 1,311,525 km (0.113 R)
• M6: 1,487,152 km (0.057 R)
• M7: 1,577,958 km (0.12 R)
• M8: 1,944,024 km (0.119 R)
• M9: 2,128,479 km (0.047 R)
• M10: 2,231,701 km (0.109 R)
• M11: 2,301,414 km (0.061 R)
• M12: 2,479,136 km (0.097 R)
• M13: 2,867,043 km (0.111 R)
• M14: 2,981,486 km (0.056 R)
• M15: 3,175,664 km (0.088 R)
• M16: 3,354,134 km (0.119 R)
• M17: 3,434,468 km (0.035 R)
• M18: 3,535,895 km (0.073 R)
• M19: 3,658,865 km (0.119 R)
• M20: 3,825,068 km (0.064 R)
• M21: 3,972,721 km (0.063 R)
• M22: 4,186,796 km (0.105 R)
• M23: 4,273,562 km (0.074 R)
• M24: 5,081,092 km (0.106 R)
• M25: 5,197,030 km (0.065 R)
• M26: 5,290,379 km (0.089 R)
• M27: 5,431,599 km (0.11 R)
• M28: 5,502,509 km (0.053 R)
• M29: 5,645,524 km (0.104 R)
• M30: 6,454,251 km (0.051 R)
• M31: 6,630,477 km (0.029 R)
• M32: 6,961,986 km (0.108 R)
• M33: 7,299,030 km (0.036 R)
• M34: 7,377,569 km (0.093 R)
• M35: 8,699,864 km (0.052 R)
• M36: 10,269,744 km (0.083 R)
• M37: 10,683,083 km (0.083 R)
• M38: 10,891,922 km (0.058 R)
• M39: 11,679,255 km (0.048 R)
• M40: 11,925,194 km (0.098 R)
• M41: 12,079,729 km (0.067 R)
• M42: 12,989,583 km (0.111 R)
• M43: 14,051,728 km (0.096 R)
• M44: 14,280,463 km (0.099 R)
• M45: 14,444,722 km (0.095 R)
• M46: 14,741,973 km (0.088 R)
• M47: 14,874,815 km (0.113 R)
• M48: 15,713,461 km (0.105 R)
• M49: 15,985,131 km (0.108 R)
• M50: 16,121,564 km (0.074 R)
• M51: 16,464,143 km (0.062 R)
• M52: 16,567,515 km (0.108 R)
• M53: 16,671,037 km (0.062 R)
• M54: 16,809,415 km (0.106 R)
• M55: 17,261,650 km (0.03 R)
• M56: 17,753,079 km (0.08 R)
• M57: 17,823,689 km (0.108 R)
• M58: 17,929,754 km (0.026 R)
• M59: 18,107,027 km (0.102 R)
• M60: 18,356,257 km (0.083 R)
• M61: 19,291,543 km (0.084 R)
• M62: 20,058,232 km (0.093 R)
• M63: 21,358,238 km (0.11 R)
• M64: 21,810,322 km (0.119 R)
• M65: 22,189,403 km (0.094 R)
• M66: 22,685,470 km (0.091 R)
• M67: 22,800,361 km (0.074 R)
• M68: 23,031,041 km (0.106 R)
• M69: 23,108,084 km (0.109 R)
• M70: 23,688,524 km (0.087 R)
• M71: 23,844,105 km (0.08 R)
• M72: 24,430,679 km (0.082 R)
• M73: 24,509,367 km (0.085 R)
• M74: 24,666,744 km (0.104 R)
• M75: 25,061,682 km (0.061 R)
• M76: 26,138,488 km (0.111 R)
• M77: 26,500,814 km (0.077 R)
• M78: 26,581,597 km (0.062 R)
• M79: 26,824,245 km (0.086 R)
• M80: 27,027,099 km (0.035 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 10.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.82 AU - 8.74 AU

Year: 7247 Days

Day: 10.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 35,201,229 km

• M1: 139,724 km (0.117 R)
• M2: 368,460 km (0.106 R)
• M3: 463,005 km (0.041 R)
• M4: 597,643 km (0.048 R)
• M5: 681,269 km (0.116 R)
• M6: 758,012 km (0.066 R)
• M7: 933,341 km (0.117 R)
• M8: 1,057,956 km (0.114 R)
• M9: 1,380,639 km (0.081 R)
• M10: 1,642,734 km (0.104 R)
• M11: 1,733,839 km (0.09 R)
• M12: 1,936,993 km (0.058 R)
• M13: 2,214,647 km (0.117 R)
• M14: 2,349,734 km (0.072 R)
• M15: 2,592,980 km (0.082 R)
• M16: 2,681,841 km (0.109 R)
• M17: 3,449,129 km (0.041 R)
• M18: 3,527,518 km (0.12 R)
• M19: 3,746,230 km (0.118 R)
• M20: 3,867,404 km (0.079 R)
• M21: 4,134,436 km (0.115 R)
• M22: 5,105,177 km (0.076 R)
• M23: 5,558,608 km (0.111 R)
• M24: 5,977,931 km (0.117 R)
• M25: 6,383,192 km (0.102 R)
• M26: 6,871,629 km (0.087 R)
• M27: 7,070,295 km (0.031 R)
• M28: 7,145,393 km (0.08 R)
• M29: 7,448,179 km (0.113 R)
• M30: 7,601,068 km (0.025 R)
• M31: 7,677,961 km (0.072 R)
• M32: 8,170,886 km (0.039 R)
• M33: 8,408,148 km (0.064 R)
• M34: 9,078,646 km (0.12 R)
• M35: 9,379,188 km (0.086 R)
• M36: 9,655,196 km (0.074 R)
• M37: 9,822,147 km (0.074 R)
• M38: 9,934,047 km (0.061 R)
• M39: 10,385,533 km (0.118 R)
• M40: 10,757,433 km (0.096 R)
• M41: 10,843,901 km (0.049 R)
• M42: 11,075,478 km (0.116 R)
• M43: 11,750,614 km (0.117 R)
• M44: 12,288,268 km (0.1 R)
• M45: 12,529,719 km (0.115 R)
• M46: 12,651,043 km (0.114 R)
• M47: 12,986,890 km (0.09 R)
• M48: 13,140,527 km (0.115 R)
• M49: 13,635,996 km (0.113 R)
• M50: 14,581,753 km (0.083 R)
• M51: 14,677,496 km (0.059 R)
• M52: 14,837,566 km (0.111 R)
• M53: 15,288,753 km (0.117 R)
• M54: 15,450,917 km (0.071 R)
• M55: 15,744,428 km (0.054 R)
• M56: 15,973,911 km (0.032 R)
• M57: 16,204,591 km (0.12 R)
• M58: 16,270,713 km (0.077 R)
• M59: 16,469,529 km (0.115 R)
• M60: 16,535,950 km (0.039 R)
• M61: 16,802,683 km (0.093 R)
• M62: 16,903,213 km (0.033 R)
• M63: 17,205,550 km (0.101 R)
• M64: 18,054,967 km (0.106 R)
• M65: 18,952,853 km (0.106 R)
• M66: 20,113,284 km (0.1 R)
• M67: 21,477,916 km (0.067 R)
• M68: 21,768,884 km (0.062 R)
• M69: 22,097,999 km (0.098 R)
• M70: 22,983,469 km (0.084 R)
• M71: 23,843,058 km (0.084 R)
• M72: 24,371,288 km (0.068 R)
• M73: 25,516,460 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 13.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.55 AU - 9.83 AU

Year: 9452 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 35,201,229 km

• M1: 260,151 km (0.101 R)
• M2: 488,587 km (0.099 R)
• M3: 1,120,039 km (0.06 R)
• M4: 1,224,159 km (0.07 R)
• M5: 1,746,705 km (0.084 R)
• M6: 2,097,512 km (0.055 R)
• M7: 2,201,931 km (0.049 R)
• M8: 2,470,758 km (0.078 R)
• M9: 3,130,036 km (0.104 R)
• M10: 3,250,313 km (0.084 R)
• M11: 3,495,354 km (0.107 R)
• M12: 3,588,853 km (0.08 R)
• M13: 3,746,529 km (0.1 R)
• M14: 4,167,647 km (0.075 R)
• M15: 4,501,998 km (0.027 R)
• M16: 5,055,211 km (0.103 R)
• M17: 5,412,002 km (0.032 R)
• M18: 5,520,760 km (0.087 R)
• M19: 5,814,121 km (0.109 R)
• M20: 6,531,443 km (0.079 R)
• M21: 6,725,023 km (0.091 R)
• M22: 6,842,008 km (0.094 R)
• M23: 7,157,361 km (0.034 R)
• M24: 7,598,973 km (0.087 R)
• M25: 8,173,728 km (0.111 R)
• M26: 8,298,792 km (0.072 R)
• M27: 8,424,454 km (0.11 R)
• M28: 8,890,601 km (0.087 R)
• M29: 9,105,424 km (0.053 R)
• M30: 10,656,156 km (0.111 R)
• M31: 11,068,148 km (0.06 R)
• M32: 11,345,802 km (0.12 R)
• M33: 11,766,471 km (0.09 R)
• M34: 12,144,804 km (0.096 R)
• M35: 12,479,006 km (0.084 R)
• M36: 12,623,218 km (0.101 R)
• M37: 13,846,480 km (0.041 R)
• M38: 14,145,675 km (0.051 R)
• M39: 14,245,906 km (0.059 R)
• M40: 14,699,786 km (0.028 R)
• M41: 14,852,226 km (0.118 R)
• M42: 14,954,102 km (0.119 R)
• M43: 15,985,580 km (0.104 R)
• M44: 17,040,095 km (0.119 R)
• M45: 18,883,889 km (0.104 R)
• M46: 22,640,291 km (0.036 R)
• M47: 23,823,012 km (0.097 R)
• M48: 24,241,737 km (0.069 R)
• M49: 25,025,779 km (0.118 R)
• M50: 25,207,989 km (0.102 R)
• M51: 25,940,869 km (0.106 R)
• M52: 26,186,658 km (0.076 R)
• M53: 26,371,561 km (0.104 R)
• M54: 27,866,493 km (0.03 R)
• M55: 28,434,217 km (0.111 R)
• M56: 28,814,794 km (0.105 R)
• M57: 29,260,895 km (0.11 R)
• M58: 29,902,221 km (0.11 R)
• M59: 34,993,635 km (0.059 R)
• M60: 35,129,470 km (0.119 R)
• M61: 35,606,088 km (0.053 R)
• M62: 37,117,924 km (0.116 R)
• M63: 37,603,370 km (0.053 R)
• M64: 38,090,909 km (0.092 R)
• M65: 38,931,649 km (0.099 R)
• M66: 39,213,192 km (0.118 R)
• M67: 40,204,129 km (0.04 R)
• M68: 41,490,221 km (0.118 R)
• M69: 41,777,898 km (0.1 R)
• M70: 44,690,569 km (0.088 R)
• M71: 44,911,674 km (0.088 R)
• M72: 45,207,130 km (0.117 R)
• M73: 46,618,885 km (0.118 R)
• M74: 46,842,983 km (0.12 R)
• M75: 47,292,524 km (0.096 R)
• M76: 48,195,946 km (0.03 R)
• M77: 49,714,215 km (0.108 R)
• M78: 51,556,812 km (0.049 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 11.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.33 AU - 10.65 AU

Year: 11650 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 35,201,229 km

• M1: 281,543 km (0.053 R)
• M2: 362,775 km (0.053 R)
• M3: 511,625 km (0.104 R)
• M4: 710,590 km (0.081 R)
• M5: 792,270 km (0.03 R)
• M6: 906,713 km (0.03 R)
• M7: 1,335,759 km (0.078 R)
• M8: 1,546,094 km (0.118 R)
• M9: 1,843,495 km (0.082 R)
• M10: 2,241,126 km (0.09 R)
• M11: 2,600,310 km (0.114 R)
• M12: 2,978,045 km (0.037 R)
• M13: 3,115,525 km (0.092 R)
• M14: 3,516,747 km (0.095 R)
• M15: 3,834,941 km (0.047 R)
• M16: 3,959,706 km (0.11 R)
• M17: 4,213,574 km (0.112 R)
• M18: 4,316,647 km (0.085 R)
• M19: 4,472,827 km (0.064 R)
• M20: 4,630,952 km (0.052 R)
• M21: 4,790,872 km (0.115 R)
• M22: 5,198,825 km (0.107 R)
• M23: 5,674,846 km (0.05 R)
• M24: 5,846,135 km (0.108 R)
• M25: 5,961,326 km (0.093 R)
• M26: 6,077,413 km (0.096 R)
• M27: 6,519,026 km (0.085 R)
• M28: 7,309,202 km (0.094 R)
• M29: 8,161,611 km (0.087 R)
• M30: 8,322,878 km (0.1 R)
• M31: 8,517,953 km (0.103 R)
• M32: 8,846,320 km (0.06 R)
• M33: 9,045,435 km (0.072 R)
• M34: 9,788,039 km (0.099 R)
• M35: 10,062,850 km (0.113 R)
• M36: 10,166,671 km (0.093 R)
• M37: 10,655,557 km (0.108 R)
• M38: 11,080,714 km (0.096 R)
• M39: 11,295,387 km (0.035 R)
• M40: 11,728,922 km (0.112 R)
• M41: 12,131,191 km (0.078 R)
• M42: 14,326,090 km (0.095 R)
• M43: 14,481,971 km (0.117 R)
• M44: 15,150,674 km (0.085 R)
• M45: 15,508,811 km (0.118 R)
• M46: 16,436,617 km (0.051 R)
• M47: 16,599,829 km (0.073 R)
• M48: 16,804,628 km (0.091 R)
• M49: 17,382,375 km (0.075 R)
• M50: 17,465,551 km (0.118 R)
• M51: 17,841,042 km (0.119 R)
• M52: 18,134,852 km (0.118 R)
• M53: 18,685,073 km (0.088 R)
• M54: 19,154,811 km (0.111 R)
• M55: 19,412,717 km (0.094 R)
• M56: 20,149,636 km (0.116 R)
• M57: 20,280,535 km (0.083 R)
• M58: 20,411,881 km (0.081 R)
• M59: 21,249,929 km (0.096 R)
• M60: 21,695,431 km (0.091 R)
• M61: 21,874,649 km (0.079 R)
• M62: 22,099,196 km (0.051 R)
• M63: 22,234,283 km (0.084 R)
• M64: 22,686,667 km (0.11 R)
• M65: 23,738,639 km (0.081 R)
• M66: 24,293,797 km (0.111 R)
• M67: 25,134,686 km (0.025 R)
• M68: 27,036,973 km (0.075 R)
• M69: 27,133,314 km (0.109 R)
• M70: 27,859,611 km (0.089 R)
• M71: 28,592,192 km (0.041 R)
• M72: 29,430,090 km (0.075 R)
• M73: 30,276,066 km (0.118 R)
• M74: 30,376,147 km (0.108 R)
• M75: 31,839,214 km (0.109 R)
• M76: 32,144,842 km (0.099 R)
• M77: 32,451,369 km (0.095 R)
• M78: 33,428,542 km (0.077 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 16,910 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit