🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 9.9

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.78 AU - 1.12 AU

Year: 617 Days

Day: 7.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,263,321 km

• M1: 123,269 km (0.107 R)
• M2: 447,597 km (0.071 R)
• M3: 1,010,234 km (0.087 R)
• M4: 1,822,102 km (0.083 R)
• M5: 2,162,138 km (0.119 R)
• M6: 2,544,809 km (0.079 R)
• M7: 3,179,104 km (0.035 R)
• M8: 3,527,518 km (0.112 R)
• M9: 4,225,392 km (0.061 R)
• M10: 4,567,522 km (0.081 R)
• M11: 4,995,821 km (0.078 R)
• M12: 5,432,647 km (0.107 R)
• M13: 6,983,378 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 12.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.11 AU - 2.85 AU

Year: 2604 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,263,321 km

• M1: 159,172 km (0.085 R)
• M2: 624,870 km (0.038 R)
• M3: 1,216,231 km (0.113 R)
• M4: 2,035,578 km (0.068 R)
• M5: 3,809,959 km (0.065 R)
• M6: 4,779,054 km (0.095 R)
• M7: 6,424,929 km (0.097 R)
• M8: 6,974,253 km (0.083 R)
• M9: 8,550,715 km (0.094 R)
• M10: 13,337,847 km (0.097 R)
• M11: 16,701,405 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 12.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.22 AU - 3.22 AU

Year: 2991 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,263,321 km

• M1: 159,621 km (0.11 R)
• M2: 570,865 km (0.117 R)
• M3: 971,788 km (0.072 R)
• M4: 1,642,734 km (0.065 R)
• M5: 2,297,225 km (0.073 R)
• M6: 3,790,810 km (0.048 R)
• M7: 4,289,719 km (0.066 R)
• M8: 4,919,825 km (0.054 R)
• M9: 5,327,031 km (0.099 R)
• M10: 5,930,209 km (0.073 R)
• M11: 6,551,788 km (0.078 R)
• M12: 7,216,302 km (0.094 R)
• M13: 7,684,095 km (0.111 R)
• M14: 9,414,493 km (0.064 R)
• M15: 13,853,511 km (0.069 R)
• M16: 15,043,711 km (0.053 R)
• M17: 15,615,475 km (0.117 R)
• M18: 16,103,014 km (0.116 R)
• M19: 16,853,397 km (0.029 R)
• M20: 17,263,145 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 7.2

Gravity: 17.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.42 AU - 6.58 AU

Year: 11051 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,263,321 km

• M1: 109,655 km (0.064 R)
• M2: 356,941 km (0.031 R)
• M3: 731,982 km (0.065 R)
• M4: 1,046,886 km (0.089 R)
• M5: 1,436,738 km (0.094 R)
• M6: 2,507,709 km (0.078 R)
• M7: 3,409,485 km (0.111 R)
• M8: 3,836,138 km (0.118 R)
• M9: 4,731,930 km (0.054 R)
• M10: 4,959,768 km (0.09 R)
• M11: 5,870,669 km (0.087 R)
• M12: 8,111,645 km (0.043 R)
• M13: 10,154,255 km (0.12 R)
• M14: 12,578,937 km (0.089 R)
• M15: 13,661,726 km (0.092 R)
• M16: 14,125,031 km (0.11 R)
• M17: 15,578,374 km (0.12 R)
• M18: 21,940,024 km (0.096 R)
• M19: 23,978,444 km (0.113 R)
• M20: 24,750,070 km (0.092 R)
• M21: 25,339,635 km (0.089 R)
• M22: 28,428,233 km (0.114 R)
• M23: 28,750,168 km (0.089 R)
• M24: 37,357,131 km (0.065 R)
• M25: 42,032,813 km (0.031 R)
• M26: 46,635,939 km (0.11 R)
• M27: 55,146,562 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.3

Radius: 3.7

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.5 AU - 13.22 AU

Year: 23866 Days

Day: 22.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,263,321 km

• M1: 46,974 km (0.109 R)
• M2: 618,288 km (0.12 R)
• M3: 804,687 km (0.027 R)
• M4: 3,921,858 km (0.039 R)
• M5: 4,097,486 km (0.096 R)
• M6: 5,334,959 km (0.104 R)
• M7: 9,267,438 km (0.098 R)
• M8: 9,632,009 km (0.085 R)
• M9: 10,334,520 km (0.063 R)
• M10: 10,840,460 km (0.058 R)
• M11: 11,362,557 km (0.063 R)
• M12: 11,840,671 km (0.11 R)
• M13: 12,207,934 km (0.084 R)
• M14: 12,836,993 km (0.096 R)
• M15: 17,382,225 km (0.084 R)
• M16: 17,936,186 km (0.055 R)
• M17: 27,932,166 km (0.072 R)
• M18: 36,284,664 km (0.113 R)
• M19: 44,084,548 km (0.106 R)
• M20: 48,917,756 km (0.08 R)
• M21: 51,785,547 km (0.071 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: 184 - 14,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit