🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.75 AU - 0.79 AU

Year: 236 Days

Day: 47.5 Hours

Environment

Temp: 198 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.95 AU - 1.11 AU

Year: 366 Days

Day: 45.1 Hours

Environment

Temp: 139 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.17 AU - 1.23 AU

Year: 460 Days

Day: 32.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,812,412 km

• M1: 508,932 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.33 AU - 1.49 AU

Year: 586 Days

Day: 35.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 47.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 36,812,412 km

• M1: 645,216 km (0.075 R)
• M2: 1,266,645 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.8 AU - 3.34 AU

Year: 1882 Days

Day: 32 Hours

Environment

Temp: -101 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 15

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.56 AU - 7.34 AU

Year: 5731 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,812,412 km

• M1: 187,745 km (0.107 R)
• M2: 815,608 km (0.104 R)
• M3: 1,397,992 km (0.097 R)
• M4: 2,276,730 km (0.111 R)
• M5: 3,078,275 km (0.105 R)
• M6: 3,892,836 km (0.092 R)
• M7: 5,516,721 km (0.032 R)
• M8: 5,985,860 km (0.086 R)
• M9: 8,018,895 km (0.034 R)
• M10: 8,540,842 km (0.115 R)
• M11: 9,301,248 km (0.12 R)
• M12: 10,526,005 km (0.087 R)
• M13: 11,202,188 km (0.12 R)
• M14: 12,010,465 km (0.11 R)
• M15: 12,535,105 km (0.074 R)
• M16: 14,317,863 km (0.086 R)
• M17: 16,712,775 km (0.057 R)
• M18: 18,938,941 km (0.103 R)
• M19: 22,206,458 km (0.041 R)
• M20: 23,078,613 km (0.094 R)
• M21: 25,833,009 km (0.083 R)
• M22: 27,786,757 km (0.119 R)
• M23: 28,706,635 km (0.108 R)
• M24: 35,509,598 km (0.077 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 11,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit