🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 8

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.29 AU - 1.37 AU

Year: 1059 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,834,916 km

• M1: 99,931 km (0.119 R)
• M2: 362,476 km (0.087 R)
• M3: 688,749 km (0.101 R)
• M4: 956,080 km (0.105 R)
• M5: 1,278,763 km (0.119 R)
• M6: 1,627,924 km (0.074 R)
• M7: 1,925,923 km (0.115 R)
• M8: 2,471,656 km (0.069 R)
• M9: 2,908,183 km (0.106 R)
• M10: 3,305,515 km (0.118 R)
• M11: 4,036,749 km (0.105 R)
• M12: 4,871,355 km (0.12 R)
• M13: 6,355,516 km (0.118 R)
• M14: 6,757,336 km (0.037 R)
• M15: 7,455,808 km (0.096 R)
• M16: 8,479,656 km (0.043 R)
• M17: 9,533,274 km (0.116 R)
• M18: 10,379,100 km (0.095 R)
• M19: 11,757,645 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 13.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.31 AU - 2.77 AU

Year: 2794 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,834,916 km

• M1: 166,054 km (0.12 R)
• M2: 665,711 km (0.117 R)
• M3: 1,165,218 km (0.082 R)
• M4: 1,626,278 km (0.077 R)
• M5: 2,381,000 km (0.066 R)
• M6: 2,840,415 km (0.087 R)
• M7: 3,376,424 km (0.076 R)
• M8: 4,483,598 km (0.067 R)
• M9: 4,917,282 km (0.028 R)
• M10: 5,744,708 km (0.036 R)
• M11: 6,635,264 km (0.098 R)
• M12: 8,300,587 km (0.081 R)
• M13: 9,230,787 km (0.08 R)
• M14: 12,483,643 km (0.106 R)
• M15: 13,614,753 km (0.111 R)
• M16: 15,340,813 km (0.054 R)
• M17: 16,740,899 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 12.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.64 AU - 3.52 AU

Year: 3731 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,834,916 km

• M1: 154,235 km (0.082 R)
• M2: 550,371 km (0.112 R)
• M3: 970,292 km (0.105 R)
• M4: 1,527,993 km (0.111 R)
• M5: 2,101,850 km (0.094 R)
• M6: 3,142,004 km (0.119 R)
• M7: 3,589,601 km (0.106 R)
• M8: 3,994,862 km (0.102 R)
• M9: 5,322,393 km (0.04 R)
• M10: 6,017,724 km (0.052 R)
• M11: 6,563,457 km (0.092 R)
• M12: 7,110,836 km (0.072 R)
• M13: 7,820,977 km (0.105 R)
• M14: 8,262,590 km (0.094 R)
• M15: 10,850,483 km (0.092 R)
• M16: 12,283,481 km (0.032 R)
• M17: 13,164,014 km (0.108 R)
• M18: 14,235,434 km (0.07 R)
• M19: 15,311,492 km (0.078 R)
• M20: 15,896,569 km (0.069 R)
• M21: 16,441,105 km (0.093 R)
• M22: 17,510,431 km (0.074 R)
• M23: 20,290,558 km (0.117 R)
• M24: 22,936,794 km (0.093 R)
• M25: 23,492,550 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 13.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.51 AU - 5.45 AU

Year: 6545 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,834,916 km

• M1: 167,101 km (0.118 R)
• M2: 778,956 km (0.101 R)
• M3: 1,207,404 km (0.052 R)
• M4: 1,856,809 km (0.106 R)
• M5: 2,868,689 km (0.062 R)
• M6: 4,167,797 km (0.047 R)
• M7: 5,477,376 km (0.076 R)
• M8: 5,926,170 km (0.102 R)
• M9: 6,825,403 km (0.088 R)
• M10: 7,384,300 km (0.077 R)
• M11: 7,853,439 km (0.1 R)
• M12: 8,636,883 km (0.07 R)
• M13: 9,113,951 km (0.045 R)
• M14: 12,302,181 km (0.069 R)
• M15: 13,998,770 km (0.117 R)
• M16: 15,275,887 km (0.072 R)
• M17: 17,301,443 km (0.074 R)
• M18: 19,060,713 km (0.054 R)
• M19: 21,326,074 km (0.095 R)
• M20: 22,361,441 km (0.116 R)
• M21: 23,513,644 km (0.116 R)
• M22: 24,878,425 km (0.11 R)
• M23: 26,115,300 km (0.045 R)
• M24: 27,023,659 km (0.079 R)
• M25: 29,875,443 km (0.086 R)
• M26: 32,608,596 km (0.094 R)
• M27: 33,027,320 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 8.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.16 AU - 5.86 AU

Year: 8928 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,834,916 km

• M1: 105,766 km (0.101 R)
• M2: 531,372 km (0.075 R)
• M3: 1,514,978 km (0.114 R)
• M4: 2,117,408 km (0.09 R)
• M5: 2,870,783 km (0.111 R)
• M6: 3,394,824 km (0.094 R)
• M7: 3,917,519 km (0.053 R)
• M8: 5,328,676 km (0.095 R)
• M9: 5,701,624 km (0.078 R)
• M10: 5,978,529 km (0.101 R)
• M11: 8,352,348 km (0.103 R)
• M12: 9,846,233 km (0.104 R)
• M13: 10,992,601 km (0.058 R)
• M14: 11,730,717 km (0.094 R)
• M15: 12,408,994 km (0.102 R)
• M16: 12,781,343 km (0.096 R)
• M17: 13,209,193 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.5

Radius: 7.9

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.5 AU - 6.7 AU

Year: 9147 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,834,916 km

• M1: 98,286 km (0.076 R)
• M2: 403,017 km (0.115 R)
• M3: 657,931 km (0.039 R)
• M4: 946,207 km (0.111 R)
• M5: 1,294,770 km (0.104 R)
• M6: 2,459,239 km (0.113 R)
• M7: 2,884,397 km (0.066 R)
• M8: 3,263,926 km (0.1 R)
• M9: 4,345,519 km (0.072 R)
• M10: 4,784,589 km (0.085 R)
• M11: 6,101,050 km (0.102 R)
• M12: 6,614,171 km (0.086 R)
• M13: 7,037,383 km (0.052 R)
• M14: 7,852,991 km (0.078 R)
• M15: 8,109,551 km (0.085 R)
• M16: 9,052,018 km (0.078 R)
• M17: 9,916,394 km (0.104 R)
• M18: 10,940,092 km (0.118 R)
• M19: 11,314,536 km (0.085 R)
• M20: 11,920,258 km (0.07 R)
• M21: 13,136,339 km (0.098 R)
• M22: 18,081,745 km (0.067 R)
• M23: 18,909,171 km (0.114 R)
• M24: 24,141,955 km (0.062 R)
• M25: 24,868,701 km (0.037 R)
• M26: 25,891,651 km (0.089 R)
• M27: 27,136,306 km (0.105 R)
• M28: 31,003,261 km (0.115 R)
• M29: 31,323,251 km (0.1 R)
• M30: 37,227,580 km (0.071 R)
• M31: 38,811,672 km (0.077 R)
• M32: 39,683,079 km (0.109 R)
• M33: 44,236,240 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.1

Radius: 6.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.5 AU - 6.78 AU

Year: 10502 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,834,916 km

• M1: 83,775 km (0.084 R)
• M2: 449,691 km (0.116 R)
• M3: 741,706 km (0.057 R)
• M4: 1,105,229 km (0.076 R)
• M5: 1,689,858 km (0.047 R)
• M6: 4,146,554 km (0.039 R)
• M7: 6,903,493 km (0.115 R)
• M8: 7,496,648 km (0.11 R)
• M9: 9,040,648 km (0.072 R)
• M10: 11,788,462 km (0.076 R)
• M11: 17,080,187 km (0.092 R)
• M12: 19,360,956 km (0.075 R)
• M13: 22,072,119 km (0.099 R)
• M14: 28,326,806 km (0.094 R)
• M15: 33,751,673 km (0.116 R)
• M16: 36,431,420 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.1

Radius: 7.6

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.82 AU - 11.82 AU

Year: 21241 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,834,916 km

• M1: 94,845 km (0.078 R)
• M2: 375,640 km (0.088 R)
• M3: 777,909 km (0.093 R)
• M4: 1,056,161 km (0.025 R)
• M5: 2,343,600 km (0.071 R)
• M6: 3,211,118 km (0.069 R)
• M7: 3,844,665 km (0.094 R)
• M8: 4,346,417 km (0.117 R)
• M9: 6,428,221 km (0.086 R)
• M10: 7,840,125 km (0.091 R)
• M11: 8,870,406 km (0.053 R)
• M12: 9,213,733 km (0.104 R)
• M13: 10,422,783 km (0.088 R)
• M14: 11,131,129 km (0.098 R)
• M15: 11,530,854 km (0.039 R)
• M16: 14,523,111 km (0.072 R)
• M17: 16,667,596 km (0.027 R)
• M18: 22,090,519 km (0.079 R)
• M19: 24,020,930 km (0.071 R)
• M20: 24,688,585 km (0.111 R)
• M21: 26,411,803 km (0.114 R)
• M22: 38,465,203 km (0.108 R)
• M23: 40,306,603 km (0.116 R)
• M24: 46,012,116 km (0.05 R)
• M25: 58,791,814 km (0.081 R)
• M26: 63,105,019 km (0.046 R)
• M27: 72,817,063 km (0.097 R)
• M28: 77,543,009 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.5

Radius: 5.9

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.06 AU - 10.94 AU

Year: 21828 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,834,916 km

• M1: 73,453 km (0.097 R)
• M2: 302,038 km (0.113 R)
• M3: 516,412 km (0.095 R)
• M4: 1,069,924 km (0.098 R)
• M5: 1,777,821 km (0.094 R)
• M6: 2,314,728 km (0.112 R)
• M7: 2,807,802 km (0.079 R)
• M8: 3,314,490 km (0.119 R)
• M9: 4,475,519 km (0.118 R)
• M10: 4,743,599 km (0.095 R)
• M11: 5,275,120 km (0.108 R)
• M12: 5,651,060 km (0.082 R)
• M13: 6,084,893 km (0.107 R)
• M14: 7,063,712 km (0.098 R)
• M15: 7,381,458 km (0.116 R)
• M16: 9,491,686 km (0.096 R)
• M17: 10,047,741 km (0.117 R)
• M18: 10,743,371 km (0.066 R)
• M19: 11,657,414 km (0.045 R)
• M20: 12,230,224 km (0.104 R)
• M21: 13,779,011 km (0.03 R)
• M22: 14,491,396 km (0.09 R)
• M23: 20,362,365 km (0.069 R)
• M24: 25,789,177 km (0.11 R)
• M25: 29,004,634 km (0.091 R)
• M26: 29,819,044 km (0.11 R)
• M27: 34,767,293 km (0.102 R)
• M28: 36,218,243 km (0.1 R)
• M29: 37,571,804 km (0.098 R)
• M30: 38,261,002 km (0.11 R)
• M31: 39,240,120 km (0.088 R)
• M32: 40,957,354 km (0.076 R)
• M33: 46,883,524 km (0.093 R)
• M34: 49,636,424 km (0.11 R)
• M35: 52,838,417 km (0.094 R)
• M36: 53,356,325 km (0.073 R)
• M37: 59,464,106 km (0.055 R)
• M38: 64,241,215 km (0.057 R)
• M39: 66,021,729 km (0.046 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 18,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit