🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 14.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.41 AU - 2.03 AU

Year: 1456 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,191,927 km

• M1: 182,809 km (0.104 R)
• M2: 729,738 km (0.063 R)
• M3: 1,251,237 km (0.051 R)
• M4: 1,810,134 km (0.1 R)
• M5: 2,302,012 km (0.117 R)
• M6: 2,814,834 km (0.12 R)
• M7: 6,219,980 km (0.113 R)
• M8: 7,800,183 km (0.079 R)
• M9: 8,549,967 km (0.097 R)
• M10: 10,060,158 km (0.084 R)
• M11: 13,241,356 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 11

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.9 AU - 2.28 AU

Year: 1951 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,191,927 km

• M1: 137,032 km (0.061 R)
• M2: 804,986 km (0.089 R)
• M3: 2,062,356 km (0.077 R)
• M4: 3,310,601 km (0.113 R)
• M5: 4,821,988 km (0.1 R)
• M6: 7,047,107 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.9

Radius: 9.3

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.16 AU - 2.78 AU

Year: 2506 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 140.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 12,191,927 km

• M1: 115,639 km (0.114 R)
• M2: 426,653 km (0.104 R)
• M3: 731,982 km (0.117 R)
• M4: 1,524,103 km (0.095 R)
• M5: 2,513,843 km (0.066 R)
• M6: 2,886,940 km (0.106 R)
• M7: 3,208,426 km (0.1 R)
• M8: 3,843,917 km (0.102 R)
• M9: 4,406,405 km (0.096 R)
• M10: 5,191,794 km (0.047 R)
• M11: 5,906,274 km (0.083 R)
• M12: 6,655,759 km (0.085 R)
• M13: 6,978,890 km (0.059 R)
• M14: 7,343,161 km (0.106 R)
• M15: 8,242,992 km (0.1 R)
• M16: 9,071,166 km (0.082 R)
• M17: 11,804,170 km (0.106 R)
• M18: 12,322,377 km (0.034 R)
• M19: 13,265,442 km (0.032 R)
• M20: 13,684,166 km (0.049 R)
• M21: 14,063,696 km (0.1 R)
• M22: 15,295,185 km (0.067 R)
• M23: 16,920,267 km (0.116 R)
• M24: 19,065,501 km (0.105 R)
• M25: 19,839,221 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 8.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.76 AU - 3.16 AU

Year: 3288 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,191,927 km

• M1: 104,419 km (0.075 R)
• M2: 366,814 km (0.098 R)
• M3: 637,287 km (0.089 R)
• M4: 1,143,077 km (0.085 R)
• M5: 1,761,216 km (0.1 R)
• M6: 2,164,831 km (0.043 R)
• M7: 2,964,132 km (0.068 R)
• M8: 3,327,356 km (0.095 R)
• M9: 4,064,275 km (0.063 R)
• M10: 5,249,688 km (0.065 R)
• M11: 5,833,419 km (0.07 R)
• M12: 6,595,770 km (0.118 R)
• M13: 7,043,965 km (0.117 R)
• M14: 8,807,575 km (0.09 R)
• M15: 10,505,959 km (0.118 R)
• M16: 11,313,489 km (0.106 R)
• M17: 13,182,714 km (0.103 R)
• M18: 14,961,881 km (0.079 R)
• M19: 15,345,600 km (0.075 R)
• M20: 16,485,835 km (0.106 R)
• M21: 17,895,047 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864

Radius: 13.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.2 AU - 4.32 AU

Year: 4708 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,191,927 km

• M1: 164,258 km (0.105 R)
• M2: 798,553 km (0.088 R)
• M3: 1,782,010 km (0.05 R)
• M4: 2,297,225 km (0.119 R)
• M5: 2,748,113 km (0.062 R)
• M6: 3,505,377 km (0.039 R)
• M7: 4,649,801 km (0.094 R)
• M8: 5,436,536 km (0.111 R)
• M9: 5,968,207 km (0.081 R)
• M10: 7,487,074 km (0.111 R)
• M11: 9,415,391 km (0.091 R)
• M12: 10,540,068 km (0.064 R)
• M13: 11,849,199 km (0.096 R)
• M14: 19,994,055 km (0.081 R)
• M15: 21,700,966 km (0.061 R)
• M16: 24,047,110 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 8.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.22 AU - 4.78 AU

Year: 5165 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 12,191,927 km

• M1: 105,766 km (0.042 R)
• M2: 432,936 km (0.036 R)
• M3: 782,995 km (0.109 R)
• M4: 1,624,782 km (0.05 R)
• M5: 2,236,339 km (0.096 R)
• M6: 5,551,876 km (0.042 R)
• M7: 6,961,088 km (0.117 R)
• M8: 7,399,260 km (0.067 R)
• M9: 8,709,289 km (0.081 R)
• M10: 9,378,889 km (0.105 R)
• M11: 9,664,322 km (0.072 R)
• M12: 9,955,738 km (0.079 R)
• M13: 10,295,774 km (0.094 R)
• M14: 10,864,994 km (0.111 R)
• M15: 13,353,854 km (0.077 R)
• M16: 17,272,121 km (0.114 R)
• M17: 18,391,413 km (0.069 R)
• M18: 18,903,935 km (0.086 R)
• M19: 21,189,790 km (0.105 R)
• M20: 21,470,286 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.4

Radius: 7.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.04 AU - 6.34 AU

Year: 9944 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 139.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,191,927 km

• M1: 127,158 km (0.085 R)
• M2: 453,581 km (0.076 R)
• M3: 743,202 km (0.116 R)
• M4: 1,163,273 km (0.103 R)
• M5: 1,704,369 km (0.081 R)
• M6: 2,203,577 km (0.118 R)
• M7: 2,575,178 km (0.11 R)
• M8: 3,086,952 km (0.096 R)
• M9: 3,553,099 km (0.032 R)
• M10: 3,844,815 km (0.079 R)
• M11: 4,778,306 km (0.086 R)
• M12: 10,238,179 km (0.119 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: 301 - 13,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit