🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.61 AU - 0.97 AU

Year: 249 Days

Day: 17.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 51.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,505,221 km

• M1: 170,841 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 8.3

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.43 AU - 6.43 AU

Year: 5123 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,505,221 km

• M1: 103,223 km (0.112 R)
• M2: 374,443 km (0.118 R)
• M3: 691,441 km (0.109 R)
• M4: 960,119 km (0.091 R)
• M5: 1,405,322 km (0.109 R)
• M6: 2,010,895 km (0.096 R)
• M7: 2,413,163 km (0.096 R)
• M8: 2,922,245 km (0.063 R)
• M9: 3,300,129 km (0.061 R)
• M10: 4,062,779 km (0.118 R)
• M11: 5,365,178 km (0.083 R)
• M12: 5,816,814 km (0.119 R)
• M13: 6,293,433 km (0.076 R)
• M14: 7,810,206 km (0.049 R)
• M15: 8,653,638 km (0.093 R)
• M16: 10,650,920 km (0.103 R)
• M17: 11,640,510 km (0.084 R)
• M18: 11,967,979 km (0.065 R)
• M19: 14,488,255 km (0.069 R)
• M20: 15,929,480 km (0.072 R)
• M21: 18,773,186 km (0.114 R)
• M22: 21,167,949 km (0.098 R)
• M23: 21,586,075 km (0.036 R)
• M24: 22,800,361 km (0.102 R)
• M25: 24,059,676 km (0.086 R)
• M26: 24,744,834 km (0.04 R)
• M27: 25,994,874 km (0.106 R)
• M28: 27,698,943 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 9.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.43 AU - 11.23 AU

Year: 12644 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,505,221 km

• M1: 126,859 km (0.062 R)
• M2: 593,455 km (0.105 R)
• M3: 896,241 km (0.066 R)
• M4: 1,192,744 km (0.117 R)
• M5: 1,556,416 km (0.085 R)
• M6: 2,607,341 km (0.119 R)
• M7: 3,206,630 km (0.047 R)
• M8: 3,945,943 km (0.103 R)
• M9: 5,531,980 km (0.077 R)
• M10: 9,669,558 km (0.083 R)
• M11: 10,051,032 km (0.1 R)
• M12: 11,307,953 km (0.114 R)
• M13: 12,666,751 km (0.101 R)
• M14: 13,473,532 km (0.094 R)
• M15: 15,381,803 km (0.118 R)
• M16: 18,173,299 km (0.116 R)
• M17: 20,967,787 km (0.099 R)
• M18: 21,526,984 km (0.102 R)
• M19: 23,863,553 km (0.117 R)
• M20: 28,838,131 km (0.089 R)
• M21: 34,242,653 km (0.039 R)
• M22: 35,354,166 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.9

Radius: 7.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 14 AU - 19.46 AU

Year: 24276 Days

Day: 23.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,505,221 km

• M1: 95,743 km (0.107 R)
• M2: 621,579 km (0.025 R)
• M3: 2,215,395 km (0.11 R)
• M4: 5,187,157 km (0.098 R)
• M5: 14,969,062 km (0.101 R)
• M6: 17,279,452 km (0.047 R)
• M7: 20,915,877 km (0.108 R)
• M8: 24,264,176 km (0.088 R)
• M9: 34,103,079 km (0.076 R)
• M10: 34,703,265 km (0.104 R)
• M11: 36,296,483 km (0.109 R)
• M12: 42,463,804 km (0.051 R)
• M13: 51,148,858 km (0.045 R)
• M14: 54,342,175 km (0.104 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 13,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit