🌌 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: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.63 AU

Year: 132 Days

Day: 32.2 Hours

Environment

Temp: 191 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,025,122 km

• M1: 224,397 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.87 AU - 3.01 AU

Year: 1340 Days

Day: 33.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 135.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,025,122 km

• M1: 43,383 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.14 AU - 3.58 AU

Year: 2165 Days

Day: 17.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.81 AU - 5.77 AU

Year: 4276 Days

Day: 41.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 8.5

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.31 AU - 9.07 AU

Year: 7495 Days

Day: 6.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,025,122 km

• M1: 105,766 km (0.093 R)
• M2: 671,246 km (0.108 R)
• M3: 1,051,673 km (0.115 R)
• M4: 1,573,022 km (0.098 R)
• M5: 1,987,109 km (0.102 R)
• M6: 2,425,281 km (0.087 R)
• M7: 3,240,589 km (0.092 R)
• M8: 3,701,201 km (0.092 R)
• M9: 5,268,239 km (0.029 R)
• M10: 6,198,887 km (0.092 R)
• M11: 8,790,670 km (0.068 R)
• M12: 9,487,198 km (0.118 R)
• M13: 10,136,752 km (0.119 R)
• M14: 10,990,058 km (0.082 R)
• M15: 12,693,679 km (0.062 R)
• M16: 13,939,978 km (0.04 R)
• M17: 16,385,754 km (0.029 R)
• M18: 18,977,088 km (0.066 R)
• M19: 21,553,164 km (0.039 R)
• M20: 26,035,864 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 8.6

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 11.83 AU - 12.21 AU

Year: 14647 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,025,122 km

• M1: 106,962 km (0.08 R)
• M2: 470,934 km (0.096 R)
• M3: 1,105,827 km (0.084 R)
• M4: 2,660,299 km (0.04 R)
• M5: 4,618,834 km (0.094 R)
• M6: 4,961,264 km (0.114 R)
• M7: 5,892,511 km (0.098 R)
• M8: 8,245,087 km (0.07 R)
• M9: 12,553,057 km (0.116 R)
• M10: 16,215,512 km (0.11 R)
• M11: 16,609,104 km (0.051 R)
• M12: 30,394,697 km (0.043 R)
• M13: 38,801,499 km (0.096 R)
• M14: 39,223,066 km (0.062 R)
• M15: 52,993,999 km (0.112 R)
• M16: 62,285,971 km (0.028 R)
• M17: 62,670,886 km (0.086 R)
• M18: 63,835,506 km (0.092 R)
• M19: 65,014,487 km (0.12 R)
• M20: 66,408,140 km (0.1 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 11,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit