🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.9

Radius: 14.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.56 AU - 0.78 AU

Year: 366 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,535,639 km

• M1: 181,911 km (0.119 R)
• M2: 325,974 km (0.111 R)
• M3: 429,047 km (0.11 R)
• M4: 533,316 km (0.104 R)
• M5: 635,342 km (0.03 R)
• M6: 729,140 km (0.081 R)
• M7: 823,536 km (0.11 R)
• M8: 935,435 km (0.12 R)
• M9: 1,091,765 km (0.087 R)
• M10: 1,231,041 km (0.118 R)
• M11: 1,332,319 km (0.076 R)
• M12: 1,430,305 km (0.084 R)
• M13: 1,604,587 km (0.056 R)
• M14: 1,716,486 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 11

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.87 AU - 1.37 AU

Year: 790 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 74,535,639 km

• M1: 138,378 km (0.074 R)
• M2: 234,270 km (0.11 R)
• M3: 444,006 km (0.053 R)
• M4: 790,026 km (0.057 R)
• M5: 867,668 km (0.094 R)
• M6: 961,017 km (0.11 R)
• M7: 1,031,627 km (0.073 R)
• M8: 1,165,068 km (0.096 R)
• M9: 1,269,188 km (0.093 R)
• M10: 1,347,578 km (0.096 R)
• M11: 1,420,432 km (0.107 R)
• M12: 1,585,438 km (0.117 R)
• M13: 1,717,384 km (0.085 R)
• M14: 1,934,749 km (0.094 R)
• M15: 2,042,759 km (0.119 R)
• M16: 2,256,085 km (0.07 R)
• M17: 2,512,945 km (0.074 R)
• M18: 2,686,329 km (0.106 R)
• M19: 2,978,045 km (0.029 R)
• M20: 3,054,938 km (0.08 R)
• M21: 3,161,901 km (0.099 R)
• M22: 3,270,209 km (0.104 R)
• M23: 3,409,635 km (0.093 R)
• M24: 3,571,649 km (0.052 R)
• M25: 3,767,323 km (0.108 R)
• M26: 3,924,251 km (0.083 R)
• M27: 4,019,545 km (0.109 R)
• M28: 4,126,358 km (0.113 R)
• M29: 4,299,144 km (0.112 R)
• M30: 4,430,341 km (0.118 R)
• M31: 4,607,315 km (0.044 R)
• M32: 4,854,601 km (0.047 R)
• M33: 5,071,817 km (0.109 R)
• M34: 5,315,512 km (0.048 R)
• M35: 5,586,882 km (0.116 R)
• M36: 5,826,538 km (0.078 R)
• M37: 6,453,203 km (0.103 R)
• M38: 6,566,000 km (0.061 R)
• M39: 7,011,054 km (0.094 R)
• M40: 7,114,276 km (0.085 R)
• M41: 7,426,637 km (0.093 R)
• M42: 7,650,585 km (0.082 R)
• M43: 7,756,799 km (0.093 R)
• M44: 7,863,612 km (0.115 R)
• M45: 8,145,903 km (0.054 R)
• M46: 8,336,192 km (0.091 R)
• M47: 8,472,775 km (0.099 R)
• M48: 8,582,729 km (0.1 R)
• M49: 8,873,547 km (0.084 R)
• M50: 8,985,297 km (0.106 R)
• M51: 9,167,657 km (0.112 R)
• M52: 9,266,391 km (0.098 R)
• M53: 9,479,269 km (0.117 R)
• M54: 9,708,004 km (0.117 R)

Asteroid Belt

Center: 1.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.4

Radius: 13.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.47 AU - 2.01 AU

Year: 1531 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 74,535,639 km

• M1: 191,036 km (0.118 R)
• M2: 297,700 km (0.115 R)
• M3: 401,521 km (0.118 R)
• M4: 497,563 km (0.111 R)
• M5: 592,856 km (0.109 R)
• M6: 678,127 km (0.105 R)
• M7: 876,344 km (0.085 R)
• M8: 1,017,714 km (0.097 R)
• M9: 1,145,471 km (0.11 R)
• M10: 1,271,432 km (0.061 R)
• M11: 1,378,993 km (0.115 R)
• M12: 1,620,145 km (0.089 R)
• M13: 1,712,148 km (0.115 R)
• M14: 1,840,652 km (0.082 R)
• M15: 2,180,987 km (0.114 R)
• M16: 2,339,860 km (0.063 R)
• M17: 2,590,586 km (0.076 R)
• M18: 2,799,575 km (0.028 R)
• M19: 3,024,570 km (0.106 R)
• M20: 3,223,834 km (0.111 R)
• M21: 4,006,829 km (0.078 R)
• M22: 4,249,477 km (0.049 R)
• M23: 4,390,398 km (0.089 R)
• M24: 4,497,211 km (0.098 R)
• M25: 4,688,996 km (0.061 R)
• M26: 4,773,818 km (0.107 R)
• M27: 5,155,741 km (0.117 R)
• M28: 5,369,516 km (0.117 R)
• M29: 5,560,553 km (0.033 R)
• M30: 5,702,072 km (0.091 R)
• M31: 5,936,193 km (0.105 R)
• M32: 6,240,176 km (0.069 R)
• M33: 6,414,308 km (0.069 R)
• M34: 6,603,549 km (0.086 R)
• M35: 6,794,735 km (0.117 R)
• M36: 7,196,555 km (0.057 R)
• M37: 7,308,754 km (0.046 R)
• M38: 7,407,488 km (0.065 R)
• M39: 7,606,154 km (0.049 R)
• M40: 7,706,235 km (0.11 R)
• M41: 7,792,403 km (0.11 R)
• M42: 7,878,721 km (0.119 R)
• M43: 8,096,237 km (0.12 R)
• M44: 8,183,752 km (0.072 R)
• M45: 8,448,390 km (0.1 R)
• M46: 8,760,601 km (0.057 R)
• M47: 9,031,373 km (0.09 R)
• M48: 9,182,916 km (0.108 R)
• M49: 9,350,765 km (0.082 R)
• M50: 9,642,780 km (0.037 R)
• M51: 9,813,321 km (0.109 R)
• M52: 9,984,910 km (0.031 R)
• M53: 10,094,565 km (0.119 R)
• M54: 10,188,961 km (0.114 R)
• M55: 10,441,931 km (0.11 R)
• M56: 10,713,003 km (0.094 R)
• M57: 10,857,514 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.1 AU - 3.7 AU

Year: 4181 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 135.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 74,535,639 km

• M1: 283,488 km (0.114 R)
• M2: 420,819 km (0.041 R)
• M3: 730,187 km (0.118 R)
• M4: 927,956 km (0.053 R)
• M5: 1,124,527 km (0.084 R)
• M6: 1,260,212 km (0.103 R)
• M7: 1,909,617 km (0.109 R)
• M8: 2,061,608 km (0.084 R)
• M9: 2,230,953 km (0.07 R)
• M10: 2,324,003 km (0.119 R)
• M11: 2,639,654 km (0.089 R)
• M12: 2,824,258 km (0.062 R)
• M13: 3,028,160 km (0.071 R)
• M14: 3,282,327 km (0.119 R)
• M15: 3,388,990 km (0.111 R)
• M16: 3,527,967 km (0.096 R)
• M17: 3,875,931 km (0.044 R)
• M18: 4,136,082 km (0.074 R)
• M19: 4,968,444 km (0.064 R)
• M20: 5,485,455 km (0.072 R)
• M21: 5,907,919 km (0.108 R)
• M22: 6,001,119 km (0.08 R)
• M23: 6,151,464 km (0.117 R)
• M24: 6,590,385 km (0.116 R)
• M25: 6,901,847 km (0.087 R)
• M26: 7,278,086 km (0.102 R)
• M27: 7,478,697 km (0.049 R)
• M28: 7,844,763 km (0.1 R)
• M29: 8,009,320 km (0.096 R)
• M30: 8,530,968 km (0.039 R)
• M31: 8,827,920 km (0.037 R)
• M32: 8,934,882 km (0.079 R)
• M33: 9,453,987 km (0.112 R)
• M34: 9,563,493 km (0.067 R)
• M35: 9,983,115 km (0.07 R)
• M36: 10,454,049 km (0.101 R)
• M37: 10,749,205 km (0.06 R)
• M38: 11,116,319 km (0.096 R)
• M39: 11,208,770 km (0.11 R)
• M40: 11,347,896 km (0.112 R)
• M41: 11,487,620 km (0.081 R)
• M42: 11,792,202 km (0.085 R)
• M43: 12,266,277 km (0.087 R)
• M44: 12,433,528 km (0.119 R)
• M45: 12,722,252 km (0.07 R)
• M46: 12,988,985 km (0.067 R)
• M47: 13,552,370 km (0.082 R)
• M48: 14,199,082 km (0.059 R)
• M49: 14,450,406 km (0.097 R)
• M50: 14,779,522 km (0.095 R)
• M51: 14,957,693 km (0.065 R)
• M52: 15,059,868 km (0.106 R)
• M53: 15,264,817 km (0.092 R)
• M54: 15,522,425 km (0.065 R)
• M55: 15,625,797 km (0.03 R)
• M56: 16,514,408 km (0.064 R)
• M57: 16,672,832 km (0.107 R)
• M58: 17,311,914 km (0.077 R)
• M59: 17,715,529 km (0.119 R)
• M60: 17,959,075 km (0.101 R)
• M61: 18,094,910 km (0.089 R)
• M62: 18,285,647 km (0.09 R)
• M63: 18,395,003 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 9.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.32 AU - 5.14 AU

Year: 5801 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 74,535,639 km

• M1: 119,828 km (0.107 R)
• M2: 177,423 km (0.085 R)
• M3: 447,148 km (0.115 R)
• M4: 670,797 km (0.057 R)
• M5: 784,342 km (0.102 R)
• M6: 917,185 km (0.113 R)
• M7: 1,070,822 km (0.104 R)
• M8: 1,261,260 km (0.098 R)
• M9: 1,752,988 km (0.098 R)
• M10: 1,929,364 km (0.11 R)
• M11: 1,995,037 km (0.054 R)
• M12: 2,162,437 km (0.062 R)
• M13: 2,265,211 km (0.084 R)
• M14: 2,404,786 km (0.073 R)
• M15: 2,637,710 km (0.115 R)
• M16: 2,934,661 km (0.116 R)
• M17: 3,106,400 km (0.029 R)
• M18: 3,580,475 km (0.082 R)
• M19: 3,867,703 km (0.106 R)
• M20: 4,014,010 km (0.118 R)
• M21: 4,077,440 km (0.062 R)
• M22: 4,183,654 km (0.105 R)
• M23: 4,377,234 km (0.111 R)
• M24: 4,818,248 km (0.118 R)
• M25: 4,975,924 km (0.114 R)
• M26: 5,043,991 km (0.118 R)
• M27: 5,506,099 km (0.115 R)
• M28: 6,396,506 km (0.084 R)
• M29: 6,694,954 km (0.088 R)
• M30: 7,048,752 km (0.116 R)
• M31: 7,151,077 km (0.099 R)
• M32: 7,228,120 km (0.111 R)
• M33: 7,801,230 km (0.104 R)
• M34: 8,389,149 km (0.106 R)
• M35: 8,524,685 km (0.072 R)
• M36: 9,241,558 km (0.089 R)
• M37: 9,465,955 km (0.117 R)
• M38: 9,578,901 km (0.113 R)
• M39: 9,720,570 km (0.04 R)
• M40: 10,006,302 km (0.068 R)
• M41: 10,556,673 km (0.047 R)
• M42: 11,087,147 km (0.076 R)
• M43: 11,146,537 km (0.104 R)
• M44: 11,206,077 km (0.095 R)
• M45: 11,807,910 km (0.069 R)
• M46: 11,868,646 km (0.106 R)
• M47: 12,420,064 km (0.053 R)
• M48: 12,948,593 km (0.05 R)
• M49: 13,231,333 km (0.08 R)
• M50: 13,611,611 km (0.098 R)
• M51: 14,970,558 km (0.047 R)
• M52: 15,466,325 km (0.05 R)
• M53: 15,532,747 km (0.075 R)
• M54: 15,933,819 km (0.033 R)
• M55: 16,541,934 km (0.105 R)
• M56: 16,883,017 km (0.058 R)
• M57: 17,191,937 km (0.064 R)
• M58: 17,260,902 km (0.093 R)
• M59: 17,398,980 km (0.077 R)
• M60: 17,468,095 km (0.087 R)
• M61: 17,641,479 km (0.12 R)
• M62: 17,711,042 km (0.077 R)
• M63: 17,815,461 km (0.047 R)
• M64: 19,946,931 km (0.057 R)
• M65: 20,601,871 km (0.116 R)
• M66: 20,711,825 km (0.051 R)
• M67: 20,821,780 km (0.049 R)
• M68: 20,932,033 km (0.09 R)
• M69: 21,079,387 km (0.076 R)
• M70: 21,153,139 km (0.107 R)
• M71: 21,227,040 km (0.093 R)
• M72: 21,449,193 km (0.118 R)
• M73: 21,597,744 km (0.047 R)
• M74: 22,232,637 km (0.107 R)
• M75: 22,684,572 km (0.085 R)
• M76: 23,482,677 km (0.107 R)
• M77: 24,019,883 km (0.079 R)
• M78: 24,290,057 km (0.06 R)
• M79: 24,638,919 km (0.085 R)
• M80: 25,263,041 km (0.113 R)
• M81: 25,774,068 km (0.103 R)
• M82: 26,248,742 km (0.094 R)
• M83: 26,566,787 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.28 AU - 5.76 AU

Year: 7500 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 74,535,639 km

• M1: 108,159 km (0.043 R)
• M2: 172,786 km (0.088 R)
• M3: 351,854 km (0.117 R)
• M4: 413,788 km (0.073 R)
• M5: 567,126 km (0.111 R)
• M6: 694,583 km (0.076 R)
• M7: 757,564 km (0.116 R)
• M8: 851,062 km (0.046 R)
• M9: 1,039,556 km (0.098 R)
• M10: 1,353,412 km (0.076 R)
• M11: 1,491,790 km (0.099 R)
• M12: 1,598,752 km (0.042 R)
• M13: 1,757,775 km (0.092 R)
• M14: 2,012,540 km (0.099 R)
• M15: 2,065,049 km (0.105 R)
• M16: 2,238,583 km (0.096 R)
• M17: 2,472,853 km (0.099 R)
• M18: 2,979,840 km (0.108 R)
• M19: 3,222,338 km (0.074 R)
• M20: 3,283,972 km (0.036 R)
• M21: 3,346,056 km (0.06 R)
• M22: 3,775,102 km (0.094 R)
• M23: 4,204,598 km (0.069 R)
• M24: 5,218,123 km (0.093 R)
• M25: 5,308,929 km (0.08 R)
• M26: 5,418,584 km (0.104 R)
• M27: 5,473,786 km (0.069 R)
• M28: 6,245,711 km (0.067 R)
• M29: 6,478,186 km (0.086 R)
• M30: 7,091,687 km (0.044 R)
• M31: 7,313,840 km (0.09 R)
• M32: 7,517,891 km (0.106 R)
• M33: 8,225,340 km (0.077 R)
• M34: 9,748,096 km (0.116 R)
• M35: 10,289,940 km (0.039 R)
• M36: 10,702,680 km (0.115 R)
• M37: 10,841,507 km (0.107 R)
• M38: 11,004,120 km (0.112 R)
• M39: 11,237,942 km (0.108 R)
• M40: 12,021,236 km (0.101 R)
• M41: 12,601,975 km (0.103 R)
• M42: 12,846,568 km (0.11 R)
• M43: 13,291,023 km (0.104 R)
• M44: 13,515,120 km (0.062 R)
• M45: 13,740,415 km (0.084 R)
• M46: 14,144,030 km (0.03 R)
• M47: 14,731,202 km (0.038 R)
• M48: 15,404,392 km (0.089 R)
• M49: 16,513,062 km (0.076 R)
• M50: 16,566,468 km (0.09 R)
• M51: 16,700,358 km (0.074 R)
• M52: 16,780,842 km (0.055 R)
• M53: 17,374,895 km (0.113 R)
• M54: 17,893,551 km (0.105 R)
• M55: 18,168,661 km (0.09 R)
• M56: 18,639,296 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.9

Radius: 4.6

Gravity: 24.33 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.29 AU - 10.51 AU

Year: 22366 Days

Day: 21.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 74,535,639 km

• M1: 91,853 km (0.105 R)
• M2: 155,133 km (0.11 R)
• M3: 334,052 km (0.111 R)
• M4: 768,185 km (0.094 R)
• M5: 864,975 km (0.112 R)
• M6: 991,834 km (0.119 R)
• M7: 1,291,478 km (0.053 R)
• M8: 1,436,588 km (0.105 R)
• M9: 1,870,422 km (0.097 R)
• M10: 2,068,191 km (0.094 R)
• M11: 2,101,700 km (0.075 R)
• M12: 2,961,739 km (0.088 R)
• M13: 3,230,865 km (0.12 R)
• M14: 3,833,894 km (0.073 R)
• M15: 4,297,797 km (0.066 R)
• M16: 4,734,773 km (0.076 R)
• M17: 4,779,203 km (0.093 R)
• M18: 5,048,928 km (0.11 R)
• M19: 5,840,002 km (0.113 R)
• M20: 6,818,970 km (0.11 R)
• M21: 7,430,377 km (0.083 R)
• M22: 7,533,898 km (0.08 R)
• M23: 7,795,096 km (0.096 R)
• M24: 9,033,916 km (0.069 R)
• M25: 9,422,871 km (0.092 R)
• M26: 9,931,204 km (0.034 R)
• M27: 10,045,347 km (0.114 R)
• M28: 10,217,385 km (0.107 R)
• M29: 10,739,332 km (0.033 R)
• M30: 11,092,084 km (0.101 R)
• M31: 11,269,956 km (0.067 R)
• M32: 11,688,530 km (0.118 R)
• M33: 12,295,299 km (0.081 R)
• M34: 13,539,206 km (0.088 R)
• M35: 14,887,980 km (0.107 R)
• M36: 15,215,300 km (0.03 R)
• M37: 16,955,572 km (0.104 R)
• M38: 17,849,120 km (0.096 R)
• M39: 18,617,006 km (0.062 R)
• M40: 20,040,729 km (0.098 R)
• M41: 20,547,118 km (0.073 R)
• M42: 20,838,535 km (0.105 R)
• M43: 22,614,860 km (0.065 R)
• M44: 22,840,453 km (0.097 R)
• M45: 23,521,273 km (0.109 R)
• M46: 23,597,269 km (0.081 R)
• M47: 24,670,634 km (0.096 R)
• M48: 24,825,318 km (0.107 R)
• M49: 25,291,166 km (0.057 R)
• M50: 25,681,616 km (0.091 R)
• M51: 27,583,155 km (0.082 R)
• M52: 27,824,007 km (0.039 R)
• M53: 28,631,836 km (0.097 R)
• M54: 28,875,830 km (0.098 R)
• M55: 29,038,742 km (0.101 R)
• M56: 30,934,745 km (0.102 R)
• M57: 31,018,071 km (0.066 R)
• M58: 32,700,449 km (0.091 R)
• M59: 33,381,718 km (0.072 R)
• M60: 33,724,147 km (0.102 R)
• M61: 35,018,318 km (0.102 R)
• M62: 35,977,839 km (0.062 R)
• M63: 37,211,274 km (0.114 R)
• M64: 38,458,621 km (0.079 R)
• M65: 38,637,839 km (0.071 R)
• M66: 39,267,646 km (0.068 R)
• M67: 40,264,117 km (0.116 R)
• M68: 41,085,559 km (0.117 R)
• M69: 41,177,263 km (0.102 R)
• M70: 41,636,379 km (0.086 R)
• M71: 42,837,949 km (0.112 R)
• M72: 46,414,834 km (0.082 R)
• M73: 48,626,040 km (0.063 R)
• M74: 49,111,186 km (0.105 R)
• M75: 49,890,890 km (0.106 R)
• M76: 52,651,719 km (0.061 R)
• M77: 54,050,608 km (0.118 R)
• M78: 56,680,838 km (0.112 R)
• M79: 57,498,540 km (0.112 R)
• M80: 58,423,055 km (0.047 R)
• M81: 59,042,091 km (0.061 R)
• M82: 59,974,834 km (0.11 R)
• M83: 60,390,865 km (0.113 R)
• M84: 60,912,363 km (0.084 R)
• M85: 63,013,166 km (0.091 R)
• M86: 64,072,469 km (0.045 R)
• M87: 64,391,411 km (0.077 R)
• M88: 64,923,980 km (0.032 R)
• M89: 65,672,268 km (0.045 R)
• M90: 65,779,381 km (0.081 R)
• M91: 67,609,411 km (0.068 R)
• M92: 68,150,956 km (0.12 R)
• M93: 68,367,872 km (0.075 R)
• M94: 68,693,697 km (0.091 R)
• M95: 73,421,289 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 17,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit