🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.52 AU - 0.66 AU

Year: 167 Days

Day: 12.3 Hours

Environment

Temp: 181 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.99 AU - 4.41 AU

Year: 2626 Days

Day: 40.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,007,931 km

• M1: 1,115,252 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 12.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.98 AU - 8.42 AU

Year: 7128 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,007,931 km

• M1: 157,975 km (0.11 R)
• M2: 1,406,968 km (0.11 R)
• M3: 1,941,930 km (0.071 R)
• M4: 2,860,162 km (0.119 R)
• M5: 3,612,938 km (0.096 R)
• M6: 5,147,663 km (0.116 R)
• M7: 7,807,962 km (0.095 R)
• M8: 8,883,570 km (0.102 R)
• M9: 9,502,307 km (0.052 R)
• M10: 10,436,097 km (0.102 R)
• M11: 11,025,213 km (0.098 R)
• M12: 12,650,146 km (0.092 R)
• M13: 16,566,917 km (0.115 R)
• M14: 17,369,360 km (0.111 R)
• M15: 18,057,809 km (0.081 R)
• M16: 18,479,376 km (0.055 R)
• M17: 19,415,709 km (0.072 R)
• M18: 25,183,605 km (0.099 R)
• M19: 28,172,869 km (0.085 R)
• M20: 28,836,037 km (0.072 R)
• M21: 35,282,209 km (0.119 R)
• M22: 37,628,053 km (0.11 R)
• M23: 38,664,617 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.6

Radius: 5.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 16.99 AU - 17.69 AU

Year: 26641 Days

Day: 19.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,007,931 km

• M1: 63,729 km (0.027 R)
• M2: 241,301 km (0.081 R)
• M3: 1,035,516 km (0.092 R)
• M4: 1,449,005 km (0.051 R)
• M5: 1,721,124 km (0.115 R)
• M6: 2,579,067 km (0.084 R)
• M7: 4,726,096 km (0.073 R)
• M8: 7,801,679 km (0.088 R)
• M9: 14,570,982 km (0.119 R)
• M10: 16,392,635 km (0.103 R)
• M11: 16,710,232 km (0.098 R)
• M12: 19,900,107 km (0.115 R)
• M13: 22,135,399 km (0.109 R)
• M14: 30,595,308 km (0.095 R)
• M15: 32,952,970 km (0.099 R)
• M16: 34,903,128 km (0.038 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 17,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit