🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.69 AU - 0.71 AU

Year: 205 Days

Day: 47.4 Hours

Environment

Temp: 229 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.93 AU - 0.95 AU

Year: 319 Days

Day: 35.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.2 AU - 1.62 AU

Year: 586 Days

Day: 45.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.11 AU - 3.25 AU

Year: 1535 Days

Day: 34.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.24 AU - 4.38 AU

Year: 2602 Days

Day: 43.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.32 AU - 5.1 AU

Year: 3022 Days

Day: 38.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 11.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.44 AU - 7.98 AU

Year: 6773 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,205,049 km

• M1: 138,079 km (0.078 R)
• M2: 493,673 km (0.104 R)
• M3: 1,012,478 km (0.062 R)
• M4: 1,477,877 km (0.049 R)
• M5: 1,953,748 km (0.073 R)
• M6: 2,530,897 km (0.084 R)
• M7: 3,531,557 km (0.086 R)
• M8: 3,933,826 km (0.08 R)
• M9: 4,751,827 km (0.095 R)
• M10: 6,202,477 km (0.102 R)
• M11: 7,064,460 km (0.036 R)
• M12: 8,232,969 km (0.099 R)
• M13: 8,742,799 km (0.038 R)
• M14: 10,355,015 km (0.117 R)
• M15: 11,518,438 km (0.105 R)
• M16: 13,344,280 km (0.104 R)
• M17: 14,103,788 km (0.034 R)
• M18: 14,777,726 km (0.107 R)
• M19: 15,531,700 km (0.027 R)
• M20: 21,473,428 km (0.042 R)
• M21: 23,985,625 km (0.116 R)
• M22: 29,044,127 km (0.118 R)
• M23: 30,411,751 km (0.101 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 17,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit