🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.61 AU - 0.65 AU

Year: 176 Days

Day: 17.8 Hours

Environment

Temp: 184 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.79 AU - 1.29 AU

Year: 373 Days

Day: 34.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.6

Radius: 8.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.07 AU - 12.65 AU

Year: 11720 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,925,442 km

• M1: 107,112 km (0.078 R)
• M2: 417,976 km (0.101 R)
• M3: 1,092,812 km (0.036 R)
• M4: 1,844,093 km (0.063 R)
• M5: 3,916,771 km (0.102 R)
• M6: 4,516,210 km (0.115 R)
• M7: 6,496,437 km (0.111 R)
• M8: 8,137,227 km (0.113 R)
• M9: 10,673,359 km (0.095 R)
• M10: 12,358,131 km (0.077 R)
• M11: 13,848,574 km (0.092 R)
• M12: 15,734,704 km (0.093 R)
• M13: 22,269,289 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 12.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 10.65 AU - 13.49 AU

Year: 14738 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,925,442 km

• M1: 177,273 km (0.099 R)
• M2: 638,334 km (0.08 R)
• M3: 1,024,297 km (0.111 R)
• M4: 1,409,960 km (0.059 R)
• M5: 2,261,321 km (0.077 R)
• M6: 2,696,202 km (0.08 R)
• M7: 3,187,332 km (0.064 R)
• M8: 3,790,810 km (0.089 R)
• M9: 4,902,023 km (0.111 R)
• M10: 5,362,336 km (0.087 R)
• M11: 7,206,279 km (0.06 R)
• M12: 8,158,918 km (0.032 R)
• M13: 9,440,822 km (0.111 R)
• M14: 12,340,927 km (0.117 R)
• M15: 13,196,627 km (0.12 R)
• M16: 13,767,342 km (0.072 R)
• M17: 17,772,526 km (0.097 R)
• M18: 19,264,167 km (0.11 R)
• M19: 20,583,620 km (0.092 R)
• M20: 22,050,577 km (0.092 R)
• M21: 23,036,277 km (0.098 R)
• M22: 27,581,359 km (0.057 R)
• M23: 31,780,572 km (0.077 R)
• M24: 33,503,191 km (0.109 R)
• M25: 40,885,547 km (0.076 R)
• M26: 44,740,534 km (0.03 R)
• M27: 49,132,728 km (0.117 R)
• M28: 52,215,641 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.5

Radius: 5.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 15.35 AU - 22.69 AU

Year: 29154 Days

Day: 24.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,925,442 km

• M1: 104,419 km (0.042 R)
• M2: 321,336 km (0.062 R)
• M3: 635,641 km (0.078 R)
• M4: 851,810 km (0.091 R)
• M5: 1,408,015 km (0.043 R)
• M6: 1,715,140 km (0.103 R)
• M7: 2,141,942 km (0.095 R)
• M8: 2,463,877 km (0.084 R)
• M9: 2,748,861 km (0.113 R)
• M10: 3,154,570 km (0.115 R)
• M11: 3,654,227 km (0.061 R)
• M12: 4,484,645 km (0.092 R)
• M13: 4,809,871 km (0.082 R)
• M14: 12,068,659 km (0.114 R)
• M15: 17,094,399 km (0.091 R)
• M16: 19,460,738 km (0.095 R)
• M17: 20,063,019 km (0.118 R)
• M18: 20,412,629 km (0.118 R)
• M19: 20,944,749 km (0.09 R)
• M20: 22,036,814 km (0.106 R)
• M21: 30,418,333 km (0.086 R)
• M22: 31,580,858 km (0.062 R)
• M23: 37,443,599 km (0.059 R)
• M24: 40,282,518 km (0.037 R)
• M25: 44,582,260 km (0.081 R)
• M26: 52,908,129 km (0.073 R)
• M27: 53,911,183 km (0.081 R)
• M28: 54,756,860 km (0.062 R)
• M29: 55,097,644 km (0.086 R)
• M30: 55,783,251 km (0.067 R)
• M31: 57,874,330 km (0.083 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 11,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit