🌌 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: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.49 AU - 0.65 AU

Year: 150 Days

Day: 29.3 Hours

Environment

Temp: 208 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 39,202,075 km

• M1: 18,251 km (0.112 R)
• M2: 150,645 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.65 AU - 0.71 AU

Year: 195 Days

Day: 15.7 Hours

Environment

Temp: 156 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.97 AU - 1.37 AU

Year: 441 Days

Day: 15.6 Hours

Environment

Temp: 41 °C

Axial Tilt: 43.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.93 AU - 3.13 AU

Year: 1401 Days

Day: 23.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,202,075 km

• M1: 135,685 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 14.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.63 AU - 9.09 AU

Year: 7674 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,202,075 km

• M1: 181,911 km (0.117 R)
• M2: 688,001 km (0.113 R)
• M3: 1,436,439 km (0.098 R)
• M4: 2,002,068 km (0.118 R)
• M5: 2,870,933 km (0.051 R)
• M6: 3,327,505 km (0.076 R)
• M7: 3,832,997 km (0.118 R)
• M8: 4,337,141 km (0.106 R)
• M9: 4,800,446 km (0.092 R)
• M10: 5,418,884 km (0.098 R)
• M11: 5,925,272 km (0.083 R)
• M12: 6,780,374 km (0.084 R)
• M13: 7,638,467 km (0.104 R)
• M14: 8,154,879 km (0.098 R)
• M15: 8,865,319 km (0.085 R)
• M16: 9,571,571 km (0.101 R)
• M17: 10,749,953 km (0.115 R)
• M18: 11,553,444 km (0.111 R)
• M19: 12,944,554 km (0.038 R)
• M20: 18,415,348 km (0.099 R)
• M21: 19,493,351 km (0.093 R)
• M22: 23,309,143 km (0.068 R)
• M23: 25,000,796 km (0.115 R)
• M24: 27,782,718 km (0.059 R)
• M25: 29,878,136 km (0.055 R)
• M26: 31,872,724 km (0.097 R)
• M27: 36,459,544 km (0.095 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 15,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit