🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.75 AU - 1.01 AU

Year: 302 Days

Day: 14 Hours

Environment

Temp: 111 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,876,676 km

• M1: 116,537 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.14 AU - 1.28 AU

Year: 486 Days

Day: 13.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.38 AU - 1.62 AU

Year: 671 Days

Day: 46.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.32 AU - 2.04 AU

Year: 795 Days

Day: 29.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.72 AU - 3.18 AU

Year: 1851 Days

Day: 45.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.43 AU - 3.81 AU

Year: 2013 Days

Day: 24.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.1

Radius: 9.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.89 AU - 9.37 AU

Year: 8467 Days

Day: 7.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,876,676 km

• M1: 113,844 km (0.108 R)
• M2: 438,023 km (0.086 R)
• M3: 850,464 km (0.093 R)
• M4: 1,228,049 km (0.101 R)
• M5: 1,763,609 km (0.117 R)
• M6: 2,876,917 km (0.089 R)
• M7: 5,419,931 km (0.12 R)
• M8: 6,674,309 km (0.046 R)
• M9: 7,809,308 km (0.06 R)
• M10: 8,353,246 km (0.053 R)
• M11: 9,707,705 km (0.114 R)
• M12: 11,675,815 km (0.117 R)
• M13: 11,983,687 km (0.112 R)
• M14: 12,846,268 km (0.077 R)
• M15: 14,291,982 km (0.051 R)
• M16: 14,695,148 km (0.095 R)
• M17: 16,937,621 km (0.097 R)
• M18: 18,140,238 km (0.104 R)
• M19: 20,907,649 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 9.1

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.12 AU - 12.48 AU

Year: 12074 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,876,676 km

• M1: 128,355 km (0.038 R)
• M2: 605,423 km (0.065 R)
• M3: 1,159,533 km (0.055 R)
• M4: 1,560,455 km (0.104 R)
• M5: 1,896,303 km (0.082 R)
• M6: 3,088,149 km (0.077 R)
• M7: 3,732,467 km (0.12 R)
• M8: 4,075,196 km (0.097 R)
• M9: 4,984,302 km (0.102 R)
• M10: 5,720,922 km (0.062 R)
• M11: 6,115,561 km (0.088 R)
• M12: 7,990,172 km (0.054 R)
• M13: 11,788,013 km (0.101 R)
• M14: 14,937,796 km (0.115 R)
• M15: 20,162,203 km (0.039 R)
• M16: 20,651,687 km (0.11 R)
• M17: 22,094,259 km (0.114 R)
• M18: 22,539,762 km (0.116 R)
• M19: 25,178,668 km (0.115 R)
• M20: 26,157,337 km (0.094 R)
• M21: 27,758,184 km (0.059 R)
• M22: 28,277,139 km (0.105 R)
• M23: 29,334,198 km (0.104 R)
• M24: 30,235,226 km (0.067 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit