🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.92 AU - 1.26 AU

Year: 331 Days

Day: 16.1 Hours

Environment

Temp: 202 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.44 AU - 1.92 AU

Year: 633 Days

Day: 29.8 Hours

Environment

Temp: 107 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 11.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 14

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.93 AU - 12.47 AU

Year: 11629 Days

Day: 13.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,587,362 km

• M1: 174,431 km (0.109 R)
• M2: 894,146 km (0.112 R)
• M3: 1,392,457 km (0.092 R)
• M4: 1,945,520 km (0.11 R)
• M5: 3,263,478 km (0.088 R)
• M6: 4,763,495 km (0.064 R)
• M7: 6,841,709 km (0.079 R)
• M8: 8,149,344 km (0.058 R)
• M9: 8,981,707 km (0.064 R)
• M10: 9,517,865 km (0.032 R)
• M11: 10,023,656 km (0.076 R)
• M12: 10,547,547 km (0.115 R)
• M13: 13,134,992 km (0.1 R)
• M14: 14,214,490 km (0.08 R)
• M15: 20,185,839 km (0.094 R)
• M16: 20,685,496 km (0.118 R)
• M17: 22,499,370 km (0.093 R)
• M18: 25,949,845 km (0.077 R)
• M19: 28,785,173 km (0.097 R)
• M20: 30,494,928 km (0.106 R)
• M21: 31,153,308 km (0.076 R)
• M22: 32,158,456 km (0.08 R)
• M23: 34,706,856 km (0.117 R)
• M24: 35,304,349 km (0.034 R)
• M25: 36,766,220 km (0.088 R)
• M26: 37,888,802 km (0.11 R)
• M27: 40,994,305 km (0.05 R)
• M28: 42,336,945 km (0.072 R)
• M29: 45,109,892 km (0.116 R)
• M30: 46,540,945 km (0.09 R)
• M31: 47,560,454 km (0.041 R)

Planet 4 - Ice Giant

Semi-Major Axis: 23.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.5

Radius: 6

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 23.11 AU - 24.59 AU

Year: 33845 Days

Day: 19.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,587,362 km

• M1: 77,791 km (0.093 R)
• M2: 287,527 km (0.052 R)
• M3: 815,009 km (0.119 R)
• M4: 1,123,630 km (0.097 R)
• M5: 1,895,405 km (0.069 R)
• M6: 2,536,881 km (0.075 R)
• M7: 2,814,834 km (0.09 R)
• M8: 3,255,549 km (0.098 R)
• M9: 4,378,730 km (0.062 R)
• M10: 5,165,166 km (0.087 R)
• M11: 6,632,422 km (0.109 R)
• M12: 11,205,180 km (0.1 R)
• M13: 12,377,129 km (0.091 R)
• M14: 12,809,617 km (0.11 R)
• M15: 20,865,013 km (0.104 R)
• M16: 22,101,739 km (0.062 R)
• M17: 24,720,599 km (0.099 R)
• M18: 26,104,380 km (0.046 R)
• M19: 27,296,375 km (0.106 R)
• M20: 35,507,653 km (0.102 R)
• M21: 38,016,559 km (0.089 R)
• M22: 38,319,345 km (0.069 R)
• M23: 45,054,092 km (0.071 R)
• M24: 49,595,434 km (0.094 R)
• M25: 55,981,767 km (0.068 R)
• M26: 65,464,627 km (0.084 R)
• M27: 73,591,830 km (0.104 R)
• M28: 78,385,096 km (0.109 R)
• M29: 78,629,987 km (0.112 R)
• M30: 86,218,938 km (0.089 R)
• M31: 86,479,986 km (0.068 R)

Kuiper Belt

Range: 37.7 - 54.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 13,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit