🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.56 AU - 0.6 AU

Year: 157 Days

Day: 19.1 Hours

Environment

Temp: 182 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.47 AU - 0.75 AU

Year: 170 Days

Day: 29.4 Hours

Environment

Temp: 166 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,378,750 km

• M1: 45,777 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.7 AU - 0.9 AU

Year: 255 Days

Day: 24.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,378,750 km

• M1: 54,902 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.67 AU - 1.03 AU

Year: 279 Days

Day: 15.2 Hours

Environment

Temp: 143 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,378,750 km

• M1: 19,149 km (0.085 R)
• M2: 28,573 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.78 AU - 1 AU

Year: 299 Days

Day: 19.3 Hours

Environment

Temp: 179 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,378,750 km

• M1: 61,335 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.32 AU - 4.76 AU

Year: 3448 Days

Day: 32 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,378,750 km

• M1: 248,332 km (0.074 R)
• M2: 384,766 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 13.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.32 AU - 13.22 AU

Year: 13486 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,378,750 km

• M1: 174,730 km (0.093 R)
• M2: 934,388 km (0.12 R)
• M3: 2,376,063 km (0.028 R)
• M4: 2,821,117 km (0.053 R)
• M5: 4,055,000 km (0.048 R)
• M6: 5,231,886 km (0.11 R)
• M7: 5,994,985 km (0.114 R)
• M8: 6,748,210 km (0.101 R)
• M9: 7,789,262 km (0.037 R)
• M10: 8,444,501 km (0.108 R)
• M11: 9,600,593 km (0.113 R)
• M12: 12,288,119 km (0.084 R)
• M13: 15,155,611 km (0.091 R)
• M14: 16,178,411 km (0.116 R)
• M15: 16,859,979 km (0.116 R)
• M16: 19,020,172 km (0.063 R)
• M17: 26,915,948 km (0.116 R)
• M18: 31,113,964 km (0.102 R)
• M19: 37,539,641 km (0.086 R)
• M20: 39,274,228 km (0.111 R)
• M21: 43,916,849 km (0.087 R)
• M22: 47,207,553 km (0.112 R)
• M23: 58,237,254 km (0.094 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 16,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit