🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.25 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.13 AU - 2.85 AU

Year: 1504 Days

Day: 12.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.53 AU - 2.95 AU

Year: 1737 Days

Day: 43.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 10.6

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.22 AU - 5.48 AU

Year: 4090 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,582,387 km

• M1: 131,796 km (0.088 R)
• M2: 698,622 km (0.095 R)
• M3: 1,324,839 km (0.085 R)
• M4: 2,150,170 km (0.08 R)
• M5: 2,813,038 km (0.06 R)
• M6: 3,212,016 km (0.085 R)
• M7: 4,238,407 km (0.117 R)
• M8: 5,720,922 km (0.085 R)
• M9: 9,515,921 km (0.098 R)
• M10: 12,738,259 km (0.047 R)
• M11: 13,279,953 km (0.118 R)
• M12: 18,181,228 km (0.079 R)
• M13: 22,423,075 km (0.097 R)
• M14: 22,851,673 km (0.114 R)
• M15: 24,245,327 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 13.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.41 AU - 8.51 AU

Year: 7030 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,582,387 km

• M1: 193,430 km (0.095 R)
• M2: 729,738 km (0.11 R)
• M3: 1,445,265 km (0.104 R)
• M4: 2,083,150 km (0.045 R)
• M5: 2,885,444 km (0.1 R)
• M6: 3,337,828 km (0.106 R)
• M7: 3,934,125 km (0.031 R)
• M8: 6,499,279 km (0.11 R)
• M9: 7,028,108 km (0.102 R)
• M10: 8,334,397 km (0.087 R)
• M11: 9,571,571 km (0.07 R)
• M12: 10,257,926 km (0.078 R)
• M13: 11,075,329 km (0.079 R)
• M14: 13,675,639 km (0.091 R)
• M15: 14,311,131 km (0.045 R)
• M16: 15,891,931 km (0.081 R)
• M17: 17,384,918 km (0.089 R)
• M18: 24,977,459 km (0.097 R)
• M19: 27,172,658 km (0.034 R)
• M20: 28,270,706 km (0.052 R)
• M21: 31,943,933 km (0.097 R)
• M22: 32,449,873 km (0.079 R)
• M23: 32,961,048 km (0.113 R)
• M24: 33,999,706 km (0.049 R)
• M25: 36,581,467 km (0.12 R)
• M26: 37,023,977 km (0.085 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 12,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit