🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 14.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.53 AU - 0.59 AU

Year: 289 Days

Day: 9.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,542,187 km

• M1: 184,155 km (0.115 R)
• M2: 685,009 km (0.101 R)
• M3: 1,297,014 km (0.103 R)
• M4: 1,826,141 km (0.119 R)
• M5: 2,557,824 km (0.08 R)
• M6: 3,068,103 km (0.101 R)
• M7: 3,552,201 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 13.1

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.06 AU - 1.34 AU

Year: 907 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,542,187 km

• M1: 162,912 km (0.059 R)
• M2: 623,674 km (0.106 R)
• M3: 1,225,057 km (0.076 R)
• M4: 2,354,521 km (0.084 R)
• M5: 2,816,778 km (0.099 R)
• M6: 3,283,374 km (0.085 R)
• M7: 4,892,000 km (0.089 R)
• M8: 6,650,074 km (0.07 R)
• M9: 8,577,493 km (0.047 R)
• M10: 9,305,586 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 12.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.77 AU - 2.79 AU

Year: 3199 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,542,187 km

• M1: 151,243 km (0.079 R)
• M2: 562,787 km (0.028 R)
• M3: 1,053,169 km (0.109 R)
• M4: 1,584,092 km (0.102 R)
• M5: 3,093,385 km (0.083 R)
• M6: 3,932,479 km (0.088 R)
• M7: 4,439,018 km (0.054 R)
• M8: 5,255,672 km (0.103 R)
• M9: 5,687,262 km (0.11 R)
• M10: 6,393,215 km (0.106 R)
• M11: 7,720,447 km (0.091 R)
• M12: 8,145,754 km (0.118 R)
• M13: 8,552,211 km (0.091 R)
• M14: 9,853,713 km (0.087 R)
• M15: 11,366,596 km (0.101 R)
• M16: 12,487,383 km (0.115 R)
• M17: 13,822,843 km (0.109 R)
• M18: 14,207,459 km (0.093 R)
• M19: 14,648,773 km (0.064 R)
• M20: 16,186,340 km (0.114 R)
• M21: 17,049,071 km (0.094 R)
• M22: 19,579,968 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 14.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.2 AU - 5.64 AU

Year: 7533 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,542,187 km

• M1: 182,210 km (0.058 R)
• M2: 800,349 km (0.06 R)
• M3: 1,315,115 km (0.116 R)
• M4: 1,906,326 km (0.117 R)
• M5: 2,850,288 km (0.12 R)
• M6: 4,447,395 km (0.088 R)
• M7: 10,356,062 km (0.109 R)
• M8: 10,879,056 km (0.113 R)
• M9: 15,287,556 km (0.068 R)
• M10: 16,869,703 km (0.077 R)
• M11: 17,647,911 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.7

Radius: 6.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.67 AU - 10.09 AU

Year: 18265 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,542,187 km

• M1: 76,145 km (0.083 R)
• M2: 515,664 km (0.116 R)
• M3: 921,224 km (0.073 R)
• M4: 1,289,384 km (0.053 R)
• M5: 1,751,641 km (0.104 R)
• M6: 2,052,932 km (0.1 R)
• M7: 2,959,345 km (0.041 R)
• M8: 4,236,612 km (0.107 R)
• M9: 5,494,580 km (0.071 R)
• M10: 6,802,066 km (0.053 R)
• M11: 7,318,328 km (0.092 R)
• M12: 8,020,091 km (0.069 R)
• M13: 12,754,864 km (0.072 R)
• M14: 19,508,310 km (0.092 R)
• M15: 21,467,743 km (0.055 R)
• M16: 22,655,850 km (0.099 R)
• M17: 26,662,081 km (0.026 R)
• M18: 27,663,489 km (0.063 R)
• M19: 29,838,043 km (0.055 R)
• M20: 33,886,760 km (0.11 R)
• M21: 36,262,374 km (0.082 R)
• M22: 37,040,882 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.4

Radius: 4.7

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.95 AU - 10.81 AU

Year: 23084 Days

Day: 20.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,542,187 km

• M1: 76,594 km (0.095 R)
• M2: 422,464 km (0.096 R)
• M3: 873,203 km (0.111 R)
• M4: 2,200,285 km (0.116 R)
• M5: 3,089,794 km (0.12 R)
• M6: 3,442,097 km (0.098 R)
• M7: 6,141,591 km (0.061 R)
• M8: 13,106,120 km (0.05 R)
• M9: 18,615,809 km (0.115 R)
• M10: 21,247,086 km (0.091 R)
• M11: 22,604,837 km (0.118 R)
• M12: 23,070,086 km (0.044 R)
• M13: 25,492,225 km (0.079 R)
• M14: 27,023,958 km (0.09 R)
• M15: 34,618,294 km (0.094 R)
• M16: 36,113,524 km (0.101 R)
• M17: 42,807,879 km (0.087 R)
• M18: 44,529,003 km (0.051 R)
• M19: 49,499,392 km (0.099 R)
• M20: 52,522,316 km (0.101 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: 550 - 11,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit