🌌 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: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.49 AU - 0.69 AU

Year: 167 Days

Day: 38.1 Hours

Environment

Temp: 173 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.19 AU - 1.63 AU

Year: 618 Days

Day: 25.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,177,676 km

• M1: 35,455 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.2 AU - 1.9 AU

Year: 712 Days

Day: 46.6 Hours

Environment

Temp: -38 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.67 AU - 3.81 AU

Year: 2669 Days

Day: 32.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,177,676 km

• M1: 40,541 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.8

Radius: 9.7

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.62 AU - 9.6 AU

Year: 10145 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,177,676 km

• M1: 122,820 km (0.101 R)
• M2: 565,630 km (0.069 R)
• M3: 908,209 km (0.09 R)
• M4: 1,209,798 km (0.057 R)
• M5: 3,289,508 km (0.035 R)
• M6: 4,737,615 km (0.1 R)
• M7: 5,502,060 km (0.037 R)
• M8: 8,029,217 km (0.12 R)
• M9: 8,515,111 km (0.114 R)
• M10: 10,815,477 km (0.084 R)
• M11: 12,251,916 km (0.086 R)
• M12: 12,777,603 km (0.094 R)
• M13: 15,770,907 km (0.097 R)
• M14: 18,815,672 km (0.117 R)
• M15: 23,724,726 km (0.087 R)
• M16: 25,377,334 km (0.114 R)
• M17: 29,947,250 km (0.097 R)
• M18: 30,794,422 km (0.091 R)
• M19: 34,228,292 km (0.118 R)
• M20: 39,402,434 km (0.101 R)
• M21: 42,638,385 km (0.078 R)
• M22: 47,175,539 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit