🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 20,907,657 km

• M1: 142,567 km (0.053 R)
• M2: 216,468 km (0.11 R)
• M3: 355,594 km (0.07 R)
• M4: 438,471 km (0.081 R)
• M5: 536,009 km (0.12 R)
• M6: 629,209 km (0.106 R)
• M7: 707,598 km (0.049 R)
• M8: 786,137 km (0.115 R)
• M9: 910,153 km (0.098 R)
• M10: 1,016,966 km (0.055 R)
• M11: 1,136,645 km (0.084 R)
• M12: 1,257,071 km (0.114 R)
• M13: 1,418,337 km (0.086 R)
• M14: 1,558,211 km (0.096 R)
• M15: 1,654,104 km (0.075 R)
• M16: 1,742,217 km (0.099 R)
• M17: 1,882,390 km (0.11 R)
• M18: 1,990,250 km (0.066 R)
• M19: 2,131,919 km (0.093 R)
• M20: 2,244,417 km (0.097 R)
• M21: 2,414,360 km (0.114 R)
• M22: 2,503,820 km (0.059 R)
• M23: 2,617,065 km (0.111 R)
• M24: 2,743,924 km (0.091 R)
• M25: 2,890,380 km (0.083 R)
• M26: 2,967,723 km (0.1 R)
• M27: 3,087,850 km (0.066 R)
• M28: 3,197,505 km (0.045 R)
• M29: 3,271,406 km (0.119 R)
• M30: 3,389,439 km (0.113 R)
• M31: 3,483,686 km (0.097 R)
• M32: 3,572,547 km (0.107 R)
• M33: 3,674,872 km (0.028 R)
• M34: 3,797,841 km (0.098 R)
• M35: 4,114,390 km (0.044 R)
• M36: 4,188,292 km (0.118 R)
• M37: 4,269,224 km (0.103 R)
• M38: 4,357,636 km (0.115 R)
• M39: 4,467,292 km (0.091 R)
• M40: 4,557,050 km (0.085 R)
• M41: 4,815,855 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.1

Radius: 11.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.8 AU - 0.86 AU

Year: 513 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 20,907,657 km

• M1: 143,464 km (0.083 R)
• M2: 244,742 km (0.085 R)
• M3: 350,059 km (0.086 R)
• M4: 436,975 km (0.099 R)
• M5: 523,293 km (0.105 R)
• M6: 638,633 km (0.075 R)
• M7: 720,912 km (0.117 R)
• M8: 803,341 km (0.119 R)
• M9: 893,398 km (0.055 R)
• M10: 969,993 km (0.114 R)
• M11: 1,084,884 km (0.105 R)
• M12: 1,171,950 km (0.119 R)
• M13: 1,290,282 km (0.083 R)
• M14: 1,473,240 km (0.055 R)
• M15: 1,601,894 km (0.065 R)
• M16: 1,680,882 km (0.045 R)
• M17: 1,766,601 km (0.116 R)
• M18: 1,887,177 km (0.084 R)
• M19: 2,039,019 km (0.097 R)
• M20: 2,125,038 km (0.051 R)
• M21: 2,206,569 km (0.049 R)
• M22: 2,295,131 km (0.103 R)
• M23: 2,409,124 km (0.089 R)
• M24: 2,680,345 km (0.057 R)
• M25: 2,768,757 km (0.099 R)
• M26: 2,864,650 km (0.106 R)
• M27: 2,948,724 km (0.116 R)
• M28: 3,033,546 km (0.113 R)
• M29: 3,125,848 km (0.117 R)
• M30: 3,279,634 km (0.062 R)
• M31: 3,408,587 km (0.098 R)
• M32: 3,580,775 km (0.073 R)
• M33: 3,884,010 km (0.03 R)
• M34: 4,056,795 km (0.078 R)
• M35: 4,239,604 km (0.03 R)
• M36: 4,358,085 km (0.108 R)
• M37: 4,515,313 km (0.052 R)
• M38: 4,613,449 km (0.053 R)
• M39: 4,712,483 km (0.117 R)
• M40: 4,858,490 km (0.106 R)
• M41: 5,037,110 km (0.075 R)
• M42: 5,115,499 km (0.058 R)
• M43: 5,273,475 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.5

Radius: 10.7

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.92 AU - 1.46 AU

Year: 880 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 20,907,657 km

• M1: 136,284 km (0.108 R)
• M2: 249,828 km (0.103 R)
• M3: 419,472 km (0.092 R)
• M4: 547,827 km (0.117 R)
• M5: 653,892 km (0.1 R)
• M6: 767,736 km (0.098 R)
• M7: 894,894 km (0.058 R)
• M8: 1,061,098 km (0.114 R)
• M9: 1,164,769 km (0.098 R)
• M10: 1,410,558 km (0.115 R)
• M11: 1,481,917 km (0.067 R)
• M12: 1,650,962 km (0.119 R)
• M13: 1,810,882 km (0.05 R)
• M14: 1,952,252 km (0.101 R)
• M15: 2,080,906 km (0.111 R)
• M16: 2,154,658 km (0.088 R)
• M17: 2,389,676 km (0.107 R)
• M18: 2,484,372 km (0.077 R)
• M19: 2,686,479 km (0.098 R)
• M20: 2,812,141 km (0.097 R)
• M21: 2,930,772 km (0.071 R)
• M22: 3,023,074 km (0.101 R)
• M23: 3,548,312 km (0.063 R)
• M24: 3,686,690 km (0.116 R)
• M25: 3,796,644 km (0.104 R)
• M26: 4,050,662 km (0.11 R)
• M27: 4,174,529 km (0.071 R)
• M28: 4,447,395 km (0.057 R)
• M29: 4,802,241 km (0.051 R)
• M30: 4,878,686 km (0.111 R)
• M31: 4,988,640 km (0.053 R)
• M32: 5,121,633 km (0.118 R)
• M33: 5,199,723 km (0.115 R)
• M34: 5,448,055 km (0.114 R)
• M35: 5,550,679 km (0.117 R)
• M36: 5,631,013 km (0.079 R)
• M37: 5,792,878 km (0.065 R)
• M38: 5,909,415 km (0.064 R)
• M39: 6,026,700 km (0.054 R)
• M40: 6,109,278 km (0.045 R)
• M41: 6,311,385 km (0.103 R)
• M42: 6,479,682 km (0.113 R)
• M43: 6,710,212 km (0.058 R)
• M44: 6,906,634 km (0.072 R)
• M45: 7,305,014 km (0.112 R)
• M46: 7,646,994 km (0.115 R)
• M47: 7,774,901 km (0.069 R)
• M48: 7,929,435 km (0.089 R)
• M49: 8,007,076 km (0.037 R)
• M50: 8,111,047 km (0.117 R)
• M51: 8,690,888 km (0.071 R)
• M52: 9,039,751 km (0.116 R)
• M53: 9,188,750 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 8.3

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.19 AU - 1.51 AU

Year: 1064 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 20,907,657 km

• M1: 109,805 km (0.105 R)
• M2: 249,230 km (0.115 R)
• M3: 359,334 km (0.116 R)
• M4: 695,929 km (0.09 R)
• M5: 931,546 km (0.119 R)
• M6: 1,092,663 km (0.068 R)
• M7: 1,270,834 km (0.079 R)
• M8: 1,327,083 km (0.116 R)
• M9: 1,416,991 km (0.106 R)
• M10: 1,483,861 km (0.082 R)
• M11: 1,551,779 km (0.109 R)
• M12: 1,690,755 km (0.051 R)
• M13: 1,879,548 km (0.109 R)
• M14: 2,094,221 km (0.118 R)
• M15: 2,151,517 km (0.076 R)
• M16: 2,336,719 km (0.114 R)
• M17: 2,608,688 km (0.114 R)
• M18: 2,764,269 km (0.115 R)
• M19: 2,901,750 km (0.069 R)
• M20: 3,095,629 km (0.045 R)
• M21: 3,150,232 km (0.067 R)
• M22: 3,227,275 km (0.056 R)
• M23: 3,338,426 km (0.086 R)
• M24: 3,541,879 km (0.06 R)
• M25: 3,633,583 km (0.055 R)
• M26: 3,784,228 km (0.09 R)
• M27: 4,032,111 km (0.103 R)
• M28: 4,103,918 km (0.104 R)
• M29: 4,212,377 km (0.06 R)
• M30: 4,309,615 km (0.077 R)
• M31: 4,407,602 km (0.108 R)
• M32: 4,568,420 km (0.076 R)
• M33: 4,630,952 km (0.118 R)
• M34: 4,693,633 km (0.081 R)
• M35: 4,845,176 km (0.11 R)
• M36: 5,192,243 km (0.117 R)
• M37: 5,309,677 km (0.074 R)
• M38: 5,388,515 km (0.093 R)
• M39: 5,951,153 km (0.083 R)
• M40: 6,060,509 km (0.092 R)
• M41: 6,129,174 km (0.11 R)
• M42: 6,322,754 km (0.079 R)
• M43: 6,434,354 km (0.105 R)
• M44: 6,560,615 km (0.046 R)
• M45: 6,631,075 km (0.1 R)
• M46: 6,716,047 km (0.109 R)
• M47: 6,887,037 km (0.087 R)
• M48: 7,117,418 km (0.12 R)
• M49: 7,175,312 km (0.091 R)
• M50: 7,291,699 km (0.083 R)
• M51: 7,379,513 km (0.083 R)
• M52: 7,467,627 km (0.052 R)
• M53: 7,556,039 km (0.059 R)
• M54: 7,823,370 km (0.109 R)
• M55: 7,883,209 km (0.03 R)
• M56: 7,943,198 km (0.12 R)
• M57: 8,199,908 km (0.107 R)
• M58: 8,567,021 km (0.063 R)
• M59: 8,659,622 km (0.068 R)
• M60: 8,892,546 km (0.079 R)
• M61: 8,955,078 km (0.101 R)
• M62: 9,033,467 km (0.039 R)
• M63: 9,096,299 km (0.056 R)
• M64: 9,668,062 km (0.038 R)
• M65: 9,732,389 km (0.094 R)
• M66: 10,137,350 km (0.095 R)
• M67: 10,235,337 km (0.065 R)
• M68: 10,564,153 km (0.106 R)
• M69: 10,630,425 km (0.066 R)
• M70: 10,763,268 km (0.095 R)
• M71: 11,131,428 km (0.066 R)
• M72: 11,317,079 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 9.4

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.99 AU - 2.57 AU

Year: 2335 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 20,907,657 km

• M1: 223,350 km (0.089 R)
• M2: 309,368 km (0.107 R)
• M3: 396,434 km (0.117 R)
• M4: 501,751 km (0.117 R)
• M5: 591,809 km (0.051 R)
• M6: 697,276 km (0.059 R)
• M7: 867,817 km (0.038 R)
• M8: 938,128 km (0.098 R)
• M9: 1,041,949 km (0.113 R)
• M10: 1,127,968 km (0.095 R)
• M11: 1,694,645 km (0.116 R)
• M12: 1,835,865 km (0.108 R)
• M13: 1,941,032 km (0.054 R)
• M14: 2,143,887 km (0.089 R)
• M15: 2,254,889 km (0.105 R)
• M16: 2,482,876 km (0.038 R)
• M17: 2,718,343 km (0.114 R)
• M18: 2,793,441 km (0.088 R)
• M19: 2,869,287 km (0.103 R)
• M20: 3,054,190 km (0.058 R)
• M21: 3,116,572 km (0.095 R)
• M22: 3,648,542 km (0.104 R)
• M23: 3,714,964 km (0.072 R)
• M24: 3,950,730 km (0.1 R)
• M25: 4,104,816 km (0.035 R)
• M26: 4,191,433 km (0.092 R)
• M27: 4,313,505 km (0.116 R)
• M28: 4,419,121 km (0.113 R)
• M29: 4,669,099 km (0.103 R)
• M30: 4,960,366 km (0.084 R)
• M31: 5,408,412 km (0.08 R)
• M32: 5,618,148 km (0.087 R)
• M33: 6,544,308 km (0.053 R)
• M34: 6,808,797 km (0.027 R)
• M35: 6,890,927 km (0.095 R)
• M36: 7,035,438 km (0.084 R)
• M37: 7,517,293 km (0.072 R)
• M38: 7,666,143 km (0.119 R)
• M39: 8,446,595 km (0.091 R)
• M40: 8,601,429 km (0.073 R)
• M41: 8,668,000 km (0.111 R)
• M42: 8,757,011 km (0.1 R)
• M43: 8,846,470 km (0.102 R)
• M44: 9,503,504 km (0.098 R)
• M45: 10,059,260 km (0.037 R)
• M46: 10,317,466 km (0.075 R)
• M47: 10,673,210 km (0.089 R)
• M48: 10,792,589 km (0.11 R)
• M49: 11,250,657 km (0.089 R)
• M50: 11,739,543 km (0.079 R)
• M51: 11,862,962 km (0.079 R)
• M52: 12,011,512 km (0.081 R)
• M53: 12,110,995 km (0.117 R)
• M54: 12,185,644 km (0.106 R)
• M55: 12,966,844 km (0.088 R)
• M56: 13,427,905 km (0.114 R)
• M57: 13,505,247 km (0.07 R)
• M58: 14,024,800 km (0.08 R)
• M59: 14,208,207 km (0.107 R)
• M60: 14,287,045 km (0.11 R)
• M61: 14,603,894 km (0.108 R)
• M62: 14,709,959 km (0.089 R)
• M63: 14,843,101 km (0.095 R)
• M64: 14,976,542 km (0.09 R)
• M65: 15,352,182 km (0.113 R)
• M66: 15,541,274 km (0.091 R)
• M67: 15,703,887 km (0.088 R)
• M68: 16,305,121 km (0.08 R)
• M69: 17,333,157 km (0.12 R)
• M70: 17,671,099 km (0.108 R)
• M71: 17,840,892 km (0.102 R)
• M72: 18,324,842 km (0.12 R)
• M73: 18,554,175 km (0.064 R)
• M74: 18,669,216 km (0.09 R)
• M75: 18,813,279 km (0.101 R)
• M76: 19,393,270 km (0.112 R)
• M77: 19,568,449 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 14.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.48 AU - 2.66 AU

Year: 2794 Days

Day: 14 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 20,907,657 km

• M1: 184,753 km (0.118 R)
• M2: 301,589 km (0.104 R)
• M3: 437,424 km (0.099 R)
• M4: 696,378 km (0.054 R)
• M5: 975,378 km (0.119 R)
• M6: 1,230,742 km (0.073 R)
• M7: 1,456,485 km (0.118 R)
• M8: 1,641,986 km (0.103 R)
• M9: 1,878,201 km (0.086 R)
• M10: 2,292,139 km (0.069 R)
• M11: 2,384,740 km (0.094 R)
• M12: 2,767,860 km (0.063 R)
• M13: 2,933,315 km (0.067 R)
• M14: 3,257,194 km (0.066 R)
• M15: 3,485,630 km (0.032 R)
• M16: 3,737,553 km (0.089 R)
• M17: 3,847,358 km (0.07 R)
• M18: 4,033,009 km (0.105 R)
• M19: 4,164,655 km (0.115 R)
• M20: 4,297,797 km (0.064 R)
• M21: 4,471,181 km (0.102 R)
• M22: 4,985,050 km (0.062 R)
• M23: 5,086,178 km (0.072 R)
• M24: 5,393,452 km (0.033 R)
• M25: 5,538,861 km (0.06 R)
• M26: 5,664,673 km (0.085 R)
• M27: 6,199,186 km (0.086 R)
• M28: 6,461,431 km (0.087 R)
• M29: 6,594,125 km (0.116 R)
• M30: 6,997,291 km (0.117 R)
• M31: 7,224,829 km (0.074 R)
• M32: 7,547,512 km (0.114 R)
• M33: 7,640,562 km (0.112 R)
• M34: 8,423,108 km (0.109 R)
• M35: 8,592,303 km (0.098 R)
• M36: 8,860,682 km (0.116 R)
• M37: 8,958,968 km (0.114 R)
• M38: 9,657,291 km (0.096 R)
• M39: 10,089,778 km (0.081 R)
• M40: 10,372,967 km (0.083 R)
• M41: 10,685,028 km (0.072 R)
• M42: 11,720,544 km (0.092 R)
• M43: 11,882,708 km (0.1 R)
• M44: 12,018,543 km (0.059 R)
• M45: 12,236,807 km (0.111 R)
• M46: 12,815,900 km (0.118 R)
• M47: 13,066,925 km (0.118 R)
• M48: 13,687,158 km (0.074 R)
• M49: 13,886,572 km (0.1 R)
• M50: 14,115,756 km (0.107 R)
• M51: 14,577,714 km (0.114 R)
• M52: 15,605,601 km (0.109 R)
• M53: 15,873,680 km (0.104 R)
• M54: 16,143,256 km (0.079 R)
• M55: 16,961,407 km (0.072 R)
• M56: 17,206,448 km (0.106 R)
• M57: 17,607,071 km (0.077 R)
• M58: 18,010,686 km (0.101 R)
• M59: 18,386,177 km (0.062 R)
• M60: 18,480,423 km (0.084 R)
• M61: 18,637,800 km (0.114 R)
• M62: 18,827,341 km (0.095 R)
• M63: 19,399,852 km (0.106 R)
• M64: 19,591,936 km (0.106 R)
• M65: 19,945,735 km (0.083 R)
• M66: 20,042,674 km (0.118 R)
• M67: 20,204,389 km (0.093 R)
• M68: 21,019,997 km (0.117 R)
• M69: 21,481,357 km (0.119 R)
• M70: 22,046,238 km (0.099 R)
• M71: 22,380,739 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 12.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.24 AU - 3 AU

Year: 2876 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 20,907,657 km

• M1: 181,163 km (0.115 R)
• M2: 314,156 km (0.081 R)
• M3: 674,537 km (0.094 R)
• M4: 856,298 km (0.036 R)
• M5: 1,044,492 km (0.076 R)
• M6: 1,294,171 km (0.045 R)
• M7: 1,488,200 km (0.091 R)
• M8: 1,653,356 km (0.075 R)
• M9: 2,214,348 km (0.1 R)
• M10: 2,330,585 km (0.071 R)
• M11: 2,419,147 km (0.104 R)
• M12: 2,769,356 km (0.073 R)
• M13: 2,911,025 km (0.111 R)
• M14: 3,267,367 km (0.116 R)
• M15: 3,655,125 km (0.072 R)
• M16: 4,382,918 km (0.095 R)
• M17: 4,810,918 km (0.081 R)
• M18: 5,194,038 km (0.041 R)
• M19: 5,389,413 km (0.105 R)
• M20: 5,507,894 km (0.114 R)
• M21: 5,949,358 km (0.032 R)
• M22: 6,802,814 km (0.089 R)
• M23: 7,168,132 km (0.111 R)
• M24: 7,473,760 km (0.057 R)
• M25: 7,561,724 km (0.05 R)
• M26: 7,716,857 km (0.082 R)
• M27: 7,828,157 km (0.111 R)
• M28: 8,120,322 km (0.073 R)
• M29: 8,210,978 km (0.117 R)
• M30: 8,301,934 km (0.108 R)
• M31: 8,576,895 km (0.059 R)
• M32: 9,159,429 km (0.092 R)
• M33: 9,491,237 km (0.114 R)
• M34: 9,658,637 km (0.103 R)
• M35: 10,142,287 km (0.036 R)
• M36: 10,387,179 km (0.053 R)
• M37: 10,534,981 km (0.106 R)
• M38: 10,758,181 km (0.111 R)
• M39: 10,857,813 km (0.077 R)
• M40: 10,957,745 km (0.033 R)
• M41: 11,310,048 km (0.075 R)
• M42: 11,436,907 km (0.079 R)
• M43: 11,615,078 km (0.114 R)
• M44: 11,819,877 km (0.114 R)
• M45: 12,051,904 km (0.111 R)
• M46: 12,207,336 km (0.032 R)
• M47: 12,389,546 km (0.1 R)
• M48: 12,677,672 km (0.082 R)
• M49: 12,994,520 km (0.075 R)
• M50: 13,127,363 km (0.083 R)
• M51: 13,474,729 km (0.025 R)
• M52: 13,636,145 km (0.034 R)
• M53: 13,825,237 km (0.077 R)
• M54: 14,206,113 km (0.112 R)
• M55: 14,397,748 km (0.112 R)
• M56: 14,700,833 km (0.075 R)
• M57: 14,978,038 km (0.089 R)
• M58: 15,341,262 km (0.094 R)
• M59: 15,594,232 km (0.102 R)
• M60: 16,333,245 km (0.037 R)
• M61: 17,025,434 km (0.048 R)
• M62: 17,200,015 km (0.11 R)
• M63: 17,375,194 km (0.072 R)
• M64: 18,498,375 km (0.112 R)
• M65: 18,767,801 km (0.083 R)
• M66: 19,950,372 km (0.084 R)
• M67: 20,073,042 km (0.03 R)
• M68: 20,597,233 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 11,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit