🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.41 AU - 0.63 AU

Year: 136 Days

Day: 40.8 Hours

Environment

Temp: 185 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.51 AU - 0.53 AU

Year: 136 Days

Day: 24.6 Hours

Environment

Temp: 241 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.5 AU - 0.74 AU

Year: 177 Days

Day: 13.4 Hours

Environment

Temp: 182 °C

Axial Tilt: 43 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 13.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.02 AU - 6.16 AU

Year: 4174 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,991,807 km

• M1: 167,849 km (0.108 R)
• M2: 1,070,223 km (0.065 R)
• M3: 2,025,555 km (0.11 R)
• M4: 3,720,948 km (0.119 R)
• M5: 5,325,535 km (0.069 R)
• M6: 5,776,273 km (0.04 R)
• M7: 7,284,220 km (0.12 R)
• M8: 9,399,533 km (0.099 R)
• M9: 11,383,800 km (0.104 R)
• M10: 14,590,430 km (0.115 R)
• M11: 15,421,297 km (0.051 R)
• M12: 16,342,071 km (0.111 R)
• M13: 17,605,725 km (0.053 R)
• M14: 19,922,098 km (0.032 R)
• M15: 21,083,875 km (0.098 R)
• M16: 26,590,872 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 8.2

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.21 AU - 7.01 AU

Year: 6176 Days

Day: 6.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,991,807 km

• M1: 102,026 km (0.078 R)
• M2: 477,816 km (0.063 R)
• M3: 901,926 km (0.112 R)
• M4: 1,474,287 km (0.045 R)
• M5: 1,798,166 km (0.108 R)
• M6: 2,782,371 km (0.117 R)
• M7: 3,552,201 km (0.077 R)
• M8: 4,322,780 km (0.113 R)
• M9: 5,170,252 km (0.055 R)
• M10: 6,362,846 km (0.057 R)
• M11: 8,460,208 km (0.085 R)
• M12: 9,415,391 km (0.092 R)
• M13: 9,779,961 km (0.035 R)
• M14: 10,201,378 km (0.064 R)
• M15: 10,586,144 km (0.074 R)
• M16: 11,850,994 km (0.07 R)
• M17: 12,330,156 km (0.087 R)
• M18: 12,822,183 km (0.066 R)
• M19: 13,270,378 km (0.114 R)
• M20: 13,555,811 km (0.088 R)
• M21: 14,557,070 km (0.091 R)
• M22: 15,418,005 km (0.103 R)
• M23: 15,924,993 km (0.112 R)
• M24: 19,130,875 km (0.065 R)
• M25: 21,000,100 km (0.108 R)
• M26: 25,011,118 km (0.119 R)
• M27: 25,888,061 km (0.091 R)
• M28: 28,642,158 km (0.104 R)
• M29: 30,089,667 km (0.076 R)
• M30: 30,881,488 km (0.082 R)
• M31: 31,992,701 km (0.101 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 13,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit