🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.53 AU - 0.71 AU

Year: 175 Days

Day: 16.3 Hours

Environment

Temp: 236 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,714,806 km

• M1: 30,518 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.01 AU - 1.61 AU

Year: 537 Days

Day: 33.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.61 AU - 2.07 AU

Year: 894 Days

Day: 30 Hours

Environment

Temp: -60 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 9.8

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.67 AU - 11.11 AU

Year: 9493 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 56.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,714,806 km

• M1: 121,922 km (0.117 R)
• M2: 480,658 km (0.079 R)
• M3: 890,855 km (0.039 R)
• M4: 1,405,622 km (0.032 R)
• M5: 1,872,666 km (0.12 R)
• M6: 2,228,410 km (0.116 R)
• M7: 2,992,705 km (0.119 R)
• M8: 3,871,742 km (0.083 R)
• M9: 4,290,018 km (0.114 R)
• M10: 5,695,939 km (0.091 R)
• M11: 7,039,777 km (0.114 R)
• M12: 10,842,704 km (0.073 R)
• M13: 11,358,817 km (0.115 R)
• M14: 11,676,413 km (0.108 R)
• M15: 19,418,851 km (0.094 R)
• M16: 20,026,517 km (0.109 R)
• M17: 23,856,223 km (0.076 R)
• M18: 25,534,113 km (0.077 R)
• M19: 28,148,186 km (0.047 R)
• M20: 30,323,339 km (0.035 R)
• M21: 30,833,019 km (0.114 R)
• M22: 31,764,565 km (0.099 R)
• M23: 32,502,082 km (0.102 R)
• M24: 36,133,421 km (0.108 R)
• M25: 41,885,160 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.4

Radius: 9.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 10.23 AU - 12.57 AU

Year: 13786 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,714,806 km

• M1: 123,418 km (0.083 R)
• M2: 1,087,427 km (0.116 R)
• M3: 1,863,541 km (0.09 R)
• M4: 4,996,120 km (0.099 R)
• M5: 9,721,169 km (0.118 R)
• M6: 17,096,045 km (0.059 R)
• M7: 18,996,087 km (0.088 R)
• M8: 23,503,022 km (0.108 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 16,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit