🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.93 AU - 1.43 AU

Year: 471 Days

Day: 45.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.06 AU - 1.58 AU

Year: 557 Days

Day: 30.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.31 AU - 2.11 AU

Year: 821 Days

Day: 24.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,291,060 km

• M1: 591,061 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.8

Radius: 13.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.11 AU - 5.15 AU

Year: 4265 Days

Day: 6.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,291,060 km

• M1: 171,290 km (0.118 R)
• M2: 695,929 km (0.087 R)
• M3: 1,312,721 km (0.07 R)
• M4: 1,895,255 km (0.106 R)
• M5: 2,372,921 km (0.073 R)
• M6: 3,628,048 km (0.108 R)
• M7: 5,955,940 km (0.051 R)
• M8: 7,132,078 km (0.116 R)
• M9: 8,860,532 km (0.077 R)
• M10: 10,461,080 km (0.042 R)
• M11: 11,592,788 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 7.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 13.26 AU - 18.06 AU

Year: 22749 Days

Day: 23.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,291,060 km

• M1: 153,936 km (0.069 R)
• M2: 831,166 km (0.114 R)
• M3: 1,202,019 km (0.086 R)
• M4: 1,546,393 km (0.103 R)
• M5: 2,619,160 km (0.067 R)
• M6: 3,551,603 km (0.032 R)
• M7: 4,208,188 km (0.073 R)
• M8: 4,910,999 km (0.056 R)
• M9: 7,277,488 km (0.079 R)
• M10: 8,472,176 km (0.112 R)
• M11: 10,208,708 km (0.092 R)
• M12: 12,469,431 km (0.11 R)
• M13: 13,207,996 km (0.029 R)
• M14: 14,907,727 km (0.117 R)
• M15: 19,540,025 km (0.108 R)
• M16: 20,200,051 km (0.049 R)
• M17: 21,217,765 km (0.051 R)
• M18: 23,539,524 km (0.111 R)
• M19: 24,475,857 km (0.043 R)
• M20: 26,824,245 km (0.091 R)
• M21: 27,434,006 km (0.118 R)
• M22: 28,365,851 km (0.066 R)
• M23: 36,594,631 km (0.068 R)
• M24: 37,596,787 km (0.088 R)
• M25: 39,525,104 km (0.116 R)
• M26: 39,787,050 km (0.077 R)
• M27: 41,248,770 km (0.055 R)
• M28: 42,060,937 km (0.082 R)
• M29: 48,196,544 km (0.113 R)
• M30: 49,097,572 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 15,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit