🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 14.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.66 AU - 0.86 AU

Year: 442 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,259,815 km

• M1: 180,415 km (0.077 R)
• M2: 718,668 km (0.083 R)
• M3: 1,384,229 km (0.114 R)
• M4: 1,948,363 km (0.072 R)
• M5: 2,747,963 km (0.114 R)
• M6: 3,643,007 km (0.112 R)
• M7: 4,770,826 km (0.049 R)
• M8: 5,976,585 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.2

Radius: 12

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.9 AU - 1.18 AU

Year: 707 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,259,815 km

• M1: 149,299 km (0.119 R)
• M2: 532,868 km (0.041 R)
• M3: 1,008,888 km (0.113 R)
• M4: 2,359,158 km (0.108 R)
• M5: 3,928,590 km (0.091 R)
• M6: 4,676,429 km (0.092 R)
• M7: 5,733,189 km (0.096 R)
• M8: 6,595,321 km (0.118 R)
• M9: 7,131,630 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.8

Radius: 11.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.43 AU - 3.73 AU

Year: 4517 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,259,815 km

• M1: 141,669 km (0.091 R)
• M2: 498,460 km (0.031 R)
• M3: 978,819 km (0.074 R)
• M4: 1,375,104 km (0.087 R)
• M5: 2,287,651 km (0.086 R)
• M6: 3,208,126 km (0.073 R)
• M7: 4,015,356 km (0.082 R)
• M8: 5,797,665 km (0.097 R)
• M9: 6,515,436 km (0.107 R)
• M10: 8,495,364 km (0.107 R)
• M11: 9,992,390 km (0.111 R)
• M12: 10,629,378 km (0.083 R)
• M13: 12,606,164 km (0.082 R)
• M14: 14,440,383 km (0.11 R)
• M15: 22,405,123 km (0.071 R)
• M16: 23,719,042 km (0.115 R)
• M17: 25,238,208 km (0.093 R)
• M18: 26,339,697 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 7.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.58 AU - 7.34 AU

Year: 12245 Days

Day: 17.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,259,815 km

• M1: 93,349 km (0.06 R)
• M2: 387,758 km (0.103 R)
• M3: 823,985 km (0.097 R)
• M4: 1,209,050 km (0.117 R)
• M5: 1,546,543 km (0.102 R)
• M6: 2,503,820 km (0.057 R)
• M7: 2,952,314 km (0.109 R)
• M8: 3,272,902 km (0.088 R)
• M9: 3,760,741 km (0.12 R)
• M10: 5,027,835 km (0.097 R)
• M11: 5,330,471 km (0.104 R)
• M12: 5,807,240 km (0.074 R)
• M13: 9,152,099 km (0.047 R)
• M14: 11,667,437 km (0.041 R)
• M15: 12,746,786 km (0.081 R)
• M16: 14,187,712 km (0.109 R)
• M17: 14,488,404 km (0.12 R)
• M18: 14,916,553 km (0.109 R)
• M19: 15,290,249 km (0.1 R)
• M20: 15,606,499 km (0.086 R)
• M21: 19,748,415 km (0.105 R)
• M22: 21,671,645 km (0.072 R)
• M23: 26,607,776 km (0.062 R)
• M24: 27,528,252 km (0.06 R)
• M25: 28,756,451 km (0.098 R)
• M26: 29,628,008 km (0.119 R)
• M27: 34,143,470 km (0.101 R)
• M28: 38,744,951 km (0.114 R)
• M29: 39,333,020 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.4

Radius: 7.7

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.98 AU - 11.24 AU

Year: 18336 Days

Day: 16.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,259,815 km

• M1: 97,089 km (0.101 R)
• M2: 337,792 km (0.104 R)
• M3: 672,293 km (0.114 R)
• M4: 1,145,620 km (0.117 R)
• M5: 1,519,914 km (0.042 R)
• M6: 1,789,490 km (0.105 R)
• M7: 2,317,869 km (0.082 R)
• M8: 2,773,096 km (0.085 R)
• M9: 3,396,769 km (0.119 R)
• M10: 3,653,479 km (0.113 R)
• M11: 5,712,245 km (0.11 R)
• M12: 6,328,140 km (0.11 R)
• M13: 7,033,045 km (0.105 R)
• M14: 8,916,033 km (0.042 R)
• M15: 9,858,200 km (0.057 R)
• M16: 10,147,672 km (0.053 R)
• M17: 13,013,519 km (0.091 R)
• M18: 16,378,124 km (0.088 R)
• M19: 17,532,870 km (0.09 R)
• M20: 20,281,283 km (0.099 R)
• M21: 21,904,270 km (0.049 R)
• M22: 29,503,842 km (0.115 R)
• M23: 31,583,252 km (0.103 R)
• M24: 35,895,261 km (0.103 R)
• M25: 37,275,451 km (0.117 R)
• M26: 38,120,529 km (0.079 R)
• M27: 38,404,915 km (0.102 R)
• M28: 42,081,432 km (0.051 R)
• M29: 42,537,706 km (0.075 R)
• M30: 47,612,963 km (0.055 R)
• M31: 65,029,147 km (0.063 R)
• M32: 68,326,733 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 13,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit