🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.67 AU - 1.73 AU

Year: 810 Days

Day: 41.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.45 AU - 2.01 AU

Year: 831 Days

Day: 15.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,442,355 km

• M1: 180,565 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.67 AU - 3.07 AU

Year: 1776 Days

Day: 12.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 9.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.21 AU - 7.31 AU

Year: 5721 Days

Day: 7.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,442,355 km

• M1: 113,545 km (0.114 R)
• M2: 415,134 km (0.105 R)
• M3: 943,215 km (0.119 R)
• M4: 1,579,155 km (0.11 R)
• M5: 2,051,136 km (0.079 R)
• M6: 2,460,735 km (0.062 R)
• M7: 3,058,678 km (0.11 R)
• M8: 8,149,793 km (0.065 R)
• M9: 10,076,165 km (0.051 R)
• M10: 10,888,331 km (0.112 R)
• M11: 11,358,218 km (0.101 R)
• M12: 12,745,739 km (0.062 R)
• M13: 13,533,970 km (0.117 R)
• M14: 14,022,257 km (0.051 R)
• M15: 16,889,899 km (0.113 R)
• M16: 18,759,423 km (0.101 R)
• M17: 19,298,574 km (0.113 R)
• M18: 19,778,783 km (0.11 R)
• M19: 20,691,629 km (0.093 R)
• M20: 20,978,109 km (0.115 R)
• M21: 21,632,450 km (0.1 R)
• M22: 25,847,071 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.7

Radius: 7.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.48 AU - 16.68 AU

Year: 18278 Days

Day: 18.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,442,355 km

• M1: 98,735 km (0.049 R)
• M2: 572,062 km (0.038 R)
• M3: 978,370 km (0.093 R)
• M4: 1,332,468 km (0.053 R)
• M5: 1,974,094 km (0.11 R)
• M6: 4,011,467 km (0.101 R)
• M7: 5,333,314 km (0.086 R)
• M8: 7,722,840 km (0.105 R)
• M9: 8,493,569 km (0.119 R)
• M10: 10,137,500 km (0.085 R)
• M11: 11,380,658 km (0.107 R)
• M12: 17,304,883 km (0.074 R)
• M13: 19,534,041 km (0.119 R)
• M14: 22,368,622 km (0.053 R)
• M15: 23,751,205 km (0.055 R)
• M16: 32,063,760 km (0.1 R)
• M17: 35,753,143 km (0.115 R)
• M18: 38,121,726 km (0.093 R)
• M19: 40,592,784 km (0.091 R)
• M20: 42,775,566 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 13,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit