🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.57 AU - 0.65 AU

Year: 308 Days

Day: 30.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 13.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.65 AU - 0.97 AU

Year: 471 Days

Day: 12.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,646,832 km

• M1: 170,990 km (0.084 R)
• M2: 622,926 km (0.114 R)
• M3: 1,121,535 km (0.115 R)
• M4: 1,726,958 km (0.073 R)
• M5: 3,440,751 km (0.063 R)
• M6: 3,868,900 km (0.118 R)
• M7: 4,713,081 km (0.09 R)
• M8: 5,473,936 km (0.111 R)
• M9: 6,097,310 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 10.2

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.64 AU - 2.78 AU

Year: 2881 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,646,832 km

• M1: 127,308 km (0.117 R)
• M2: 547,977 km (0.049 R)
• M3: 960,867 km (0.094 R)
• M4: 1,303,596 km (0.08 R)
• M5: 1,671,158 km (0.108 R)
• M6: 2,081,355 km (0.08 R)
• M7: 2,451,311 km (0.109 R)
• M8: 3,233,558 km (0.079 R)
• M9: 3,633,283 km (0.112 R)
• M10: 4,109,005 km (0.107 R)
• M11: 5,547,987 km (0.118 R)
• M12: 6,528,900 km (0.047 R)
• M13: 6,859,960 km (0.12 R)
• M14: 9,014,768 km (0.102 R)
• M15: 10,086,337 km (0.111 R)
• M16: 11,761,684 km (0.072 R)
• M17: 13,277,559 km (0.109 R)
• M18: 14,867,934 km (0.113 R)
• M19: 15,655,567 km (0.066 R)
• M20: 16,916,976 km (0.109 R)
• M21: 17,428,750 km (0.091 R)
• M22: 18,126,924 km (0.104 R)
• M23: 19,147,779 km (0.093 R)
• M24: 21,303,934 km (0.051 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.4

Radius: 7.4

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.71 AU - 9.33 AU

Year: 14665 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,646,832 km

• M1: 92,152 km (0.099 R)
• M2: 322,683 km (0.096 R)
• M3: 822,190 km (0.087 R)
• M4: 1,123,480 km (0.119 R)
• M5: 1,693,149 km (0.048 R)
• M6: 2,051,884 km (0.098 R)
• M7: 2,312,484 km (0.036 R)
• M8: 2,943,488 km (0.12 R)
• M9: 3,369,542 km (0.11 R)
• M10: 5,175,039 km (0.102 R)
• M11: 7,626,799 km (0.11 R)
• M12: 8,740,256 km (0.031 R)
• M13: 9,812,424 km (0.088 R)
• M14: 10,608,284 km (0.062 R)
• M15: 11,717,104 km (0.075 R)
• M16: 12,215,265 km (0.097 R)
• M17: 28,928,488 km (0.116 R)
• M18: 30,351,463 km (0.086 R)
• M19: 31,927,178 km (0.082 R)
• M20: 35,584,247 km (0.059 R)
• M21: 36,862,860 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 11,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit