🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.71 AU

Year: 176 Days

Day: 28 Hours

Environment

Temp: 143 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,329,650 km

• M1: 22,888 km (0.094 R)
• M2: 130,749 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.61 AU - 0.65 AU

Year: 189 Days

Day: 48 Hours

Environment

Temp: 191 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.68 AU - 0.8 AU

Year: 241 Days

Day: 14.3 Hours

Environment

Temp: 179 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.07 AU - 1.65 AU

Year: 601 Days

Day: 36.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,329,650 km

• M1: 71,657 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.17 AU - 1.65 AU

Year: 634 Days

Day: 40.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,329,650 km

• M1: 117,434 km (0.087 R)
• M2: 664,663 km (0.06 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.97 AU - 3.07 AU

Year: 1988 Days

Day: 33 Hours

Environment

Temp: -116 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.1

Radius: 12.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.51 AU - 6.93 AU

Year: 5875 Days

Day: 7.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,329,650 km

• M1: 156,629 km (0.028 R)
• M2: 582,235 km (0.061 R)
• M3: 1,140,385 km (0.052 R)
• M4: 2,005,808 km (0.08 R)
• M5: 2,903,695 km (0.086 R)
• M6: 6,923,838 km (0.119 R)
• M7: 7,730,769 km (0.115 R)
• M8: 9,532,376 km (0.078 R)
• M9: 10,987,066 km (0.105 R)
• M10: 12,383,413 km (0.038 R)
• M11: 14,499,325 km (0.08 R)
• M12: 16,600,876 km (0.108 R)
• M13: 19,709,071 km (0.083 R)
• M14: 23,262,618 km (0.074 R)
• M15: 23,802,966 km (0.062 R)
• M16: 24,509,966 km (0.067 R)
• M17: 25,230,878 km (0.039 R)
• M18: 25,719,315 km (0.113 R)
• M19: 26,214,035 km (0.108 R)
• M20: 26,715,188 km (0.092 R)
• M21: 27,307,895 km (0.114 R)
• M22: 28,256,943 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 12,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit