🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.66 AU - 0.78 AU

Year: 215 Days

Day: 24 Hours

Environment

Temp: 172 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.9 AU - 1.28 AU

Year: 400 Days

Day: 26.2 Hours

Environment

Temp: 36 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.63 AU - 1.89 AU

Year: 821 Days

Day: 46.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.5

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.04 AU - 9.1 AU

Year: 8057 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,482,238 km

• M1: 185,501 km (0.074 R)
• M2: 684,560 km (0.109 R)
• M3: 1,387,670 km (0.06 R)
• M4: 2,571,737 km (0.118 R)
• M5: 3,430,130 km (0.075 R)
• M6: 4,028,072 km (0.108 R)
• M7: 5,951,602 km (0.111 R)
• M8: 6,563,607 km (0.083 R)
• M9: 8,353,994 km (0.107 R)
• M10: 19,220,185 km (0.088 R)
• M11: 19,816,482 km (0.072 R)
• M12: 20,699,409 km (0.118 R)
• M13: 21,679,574 km (0.098 R)
• M14: 23,656,958 km (0.085 R)
• M15: 25,831,962 km (0.068 R)
• M16: 27,215,742 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 12.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.43 AU - 10.49 AU

Year: 9426 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,482,238 km

• M1: 157,975 km (0.116 R)
• M2: 561,142 km (0.094 R)
• M3: 1,158,486 km (0.059 R)
• M4: 1,836,164 km (0.09 R)
• M5: 2,746,617 km (0.116 R)
• M6: 3,570,153 km (0.041 R)
• M7: 4,250,823 km (0.114 R)
• M8: 5,137,340 km (0.082 R)
• M9: 6,109,128 km (0.09 R)
• M10: 7,276,740 km (0.09 R)
• M11: 14,061,901 km (0.057 R)
• M12: 15,306,256 km (0.037 R)
• M13: 17,239,359 km (0.108 R)
• M14: 17,871,111 km (0.111 R)
• M15: 18,884,338 km (0.119 R)
• M16: 19,707,126 km (0.059 R)
• M17: 27,172,508 km (0.069 R)
• M18: 33,330,705 km (0.037 R)
• M19: 33,982,652 km (0.101 R)
• M20: 34,421,872 km (0.053 R)
• M21: 34,864,981 km (0.049 R)
• M22: 38,073,855 km (0.102 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 17,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit