🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 12.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.54 AU - 0.76 AU

Year: 362 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,004,914 km

• M1: 157,227 km (0.077 R)
• M2: 684,261 km (0.094 R)
• M3: 1,403,228 km (0.091 R)
• M4: 1,964,519 km (0.12 R)
• M5: 3,161,302 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.1

Radius: 11.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.01 AU - 1.19 AU

Year: 796 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,004,914 km

• M1: 144,362 km (0.036 R)
• M2: 527,183 km (0.065 R)
• M3: 901,477 km (0.082 R)
• M4: 1,351,018 km (0.119 R)
• M5: 1,787,246 km (0.114 R)
• M6: 2,404,487 km (0.027 R)
• M7: 2,840,265 km (0.1 R)
• M8: 3,390,337 km (0.11 R)
• M9: 3,791,408 km (0.099 R)
• M10: 4,400,421 km (0.061 R)
• M11: 4,943,611 km (0.094 R)
• M12: 5,461,519 km (0.025 R)
• M13: 6,258,726 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 13

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.35 AU - 1.79 AU

Year: 1358 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,004,914 km

• M1: 165,306 km (0.057 R)
• M2: 583,880 km (0.116 R)
• M3: 1,124,228 km (0.099 R)
• M4: 1,594,863 km (0.097 R)
• M5: 2,026,752 km (0.087 R)
• M6: 2,503,371 km (0.078 R)
• M7: 3,657,219 km (0.081 R)
• M8: 4,204,897 km (0.118 R)
• M9: 5,446,559 km (0.095 R)
• M10: 6,781,571 km (0.06 R)
• M11: 7,440,848 km (0.033 R)
• M12: 8,377,032 km (0.108 R)
• M13: 9,277,013 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 14.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.73 AU - 4.07 AU

Year: 5316 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,004,914 km

• M1: 184,454 km (0.053 R)
• M2: 684,560 km (0.108 R)
• M3: 1,227,151 km (0.048 R)
• M4: 2,857,619 km (0.06 R)
• M5: 3,335,733 km (0.078 R)
• M6: 4,808,973 km (0.063 R)
• M7: 6,094,916 km (0.091 R)
• M8: 6,591,282 km (0.114 R)
• M9: 7,051,744 km (0.084 R)
• M10: 8,003,336 km (0.098 R)
• M11: 9,188,750 km (0.118 R)
• M12: 11,773,053 km (0.034 R)
• M13: 12,453,724 km (0.114 R)
• M14: 14,914,160 km (0.104 R)
• M15: 16,314,396 km (0.112 R)
• M16: 19,941,845 km (0.11 R)
• M17: 20,584,069 km (0.065 R)
• M18: 22,801,558 km (0.042 R)
• M19: 23,932,219 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 12.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.71 AU - 4.79 AU

Year: 6048 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,004,914 km

• M1: 155,582 km (0.097 R)
• M2: 842,086 km (0.028 R)
• M3: 1,234,033 km (0.11 R)
• M4: 1,918,892 km (0.07 R)
• M5: 4,394,138 km (0.114 R)
• M6: 5,467,353 km (0.11 R)
• M7: 6,246,758 km (0.059 R)
• M8: 7,160,502 km (0.079 R)
• M9: 7,861,518 km (0.027 R)
• M10: 8,607,861 km (0.088 R)
• M11: 9,070,867 km (0.051 R)
• M12: 10,560,263 km (0.097 R)
• M13: 12,610,053 km (0.083 R)
• M14: 13,396,041 km (0.069 R)
• M15: 14,362,144 km (0.068 R)
• M16: 15,168,027 km (0.079 R)
• M17: 16,870,002 km (0.046 R)
• M18: 18,169,559 km (0.117 R)
• M19: 20,524,379 km (0.058 R)
• M20: 22,335,860 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934

Radius: 5.7

Gravity: 28.75 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.13 AU - 7.17 AU

Year: 10527 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,004,914 km

• M1: 71,059 km (0.119 R)
• M2: 260,001 km (0.079 R)
• M3: 624,422 km (0.096 R)
• M4: 1,081,593 km (0.073 R)
• M5: 2,192,207 km (0.1 R)
• M6: 2,426,178 km (0.086 R)
• M7: 4,530,572 km (0.095 R)
• M8: 6,415,804 km (0.097 R)
• M9: 8,295,651 km (0.079 R)
• M10: 8,865,918 km (0.066 R)
• M11: 10,460,033 km (0.053 R)
• M12: 11,759,589 km (0.104 R)
• M13: 11,996,104 km (0.114 R)
• M14: 13,354,153 km (0.114 R)
• M15: 13,676,537 km (0.079 R)
• M16: 14,203,121 km (0.082 R)
• M17: 14,404,181 km (0.112 R)
• M18: 15,226,819 km (0.108 R)
• M19: 21,529,078 km (0.074 R)
• M20: 25,939,972 km (0.081 R)
• M21: 26,746,155 km (0.068 R)
• M22: 31,481,376 km (0.107 R)
• M23: 34,768,789 km (0.084 R)
• M24: 37,634,636 km (0.093 R)
• M25: 38,537,159 km (0.116 R)
• M26: 41,741,097 km (0.072 R)
• M27: 53,534,944 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 14,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit