🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.52 AU - 0.52 AU

Year: 132 Days

Day: 38.3 Hours

Environment

Temp: 196 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.68 AU - 3.38 AU

Year: 1862 Days

Day: 18.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 13.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.41 AU - 10.71 AU

Year: 9629 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,266,964 km

• M1: 172,636 km (0.065 R)
• M2: 921,822 km (0.12 R)
• M3: 1,585,737 km (0.026 R)
• M4: 2,463,428 km (0.083 R)
• M5: 3,023,971 km (0.103 R)
• M6: 3,499,842 km (0.094 R)
• M7: 4,604,323 km (0.082 R)
• M8: 13,537,261 km (0.109 R)
• M9: 14,713,998 km (0.099 R)
• M10: 17,270,925 km (0.079 R)
• M11: 18,580,205 km (0.097 R)
• M12: 20,269,016 km (0.116 R)
• M13: 22,309,830 km (0.12 R)
• M14: 30,899,440 km (0.082 R)
• M15: 38,232,728 km (0.09 R)
• M16: 41,464,939 km (0.084 R)
• M17: 42,755,221 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.1

Radius: 3.5

Gravity: 79.93 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 13.41 AU - 13.87 AU

Year: 17788 Days

Day: 24.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,266,964 km

• M1: 45,029 km (0.113 R)
• M2: 205,847 km (0.036 R)
• M3: 725,998 km (0.073 R)
• M4: 933,940 km (0.047 R)
• M5: 1,180,327 km (0.094 R)
• M6: 1,655,450 km (0.076 R)
• M7: 2,335,821 km (0.104 R)
• M8: 3,617,875 km (0.036 R)
• M9: 3,864,412 km (0.062 R)
• M10: 5,584,040 km (0.104 R)
• M11: 10,185,969 km (0.118 R)
• M12: 10,368,180 km (0.061 R)
• M13: 11,376,918 km (0.085 R)
• M14: 11,904,999 km (0.079 R)
• M15: 13,733,982 km (0.107 R)
• M16: 17,500,258 km (0.064 R)
• M17: 19,665,089 km (0.071 R)
• M18: 22,001,658 km (0.082 R)
• M19: 23,236,588 km (0.069 R)
• M20: 24,844,167 km (0.099 R)
• M21: 29,860,633 km (0.074 R)
• M22: 38,807,932 km (0.12 R)
• M23: 40,000,526 km (0.069 R)
• M24: 42,930,550 km (0.109 R)
• M25: 43,884,835 km (0.113 R)
• M26: 49,040,875 km (0.116 R)
• M27: 54,771,670 km (0.085 R)
• M28: 77,614,816 km (0.099 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 10,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit