🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.37 AU - 1.53 AU

Year: 665 Days

Day: 13.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.45 AU - 2.71 AU

Year: 1578 Days

Day: 17.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,874,166 km

• M1: 30,518 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.75 AU - 3.79 AU

Year: 2252 Days

Day: 37.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 14

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.65 AU - 9.39 AU

Year: 7853 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,874,166 km

• M1: 174,880 km (0.081 R)
• M2: 2,018,374 km (0.059 R)
• M3: 2,522,818 km (0.115 R)
• M4: 4,077,589 km (0.059 R)
• M5: 5,424,419 km (0.101 R)
• M6: 7,316,084 km (0.043 R)
• M7: 8,228,182 km (0.06 R)
• M8: 15,037,279 km (0.113 R)
• M9: 17,955,484 km (0.049 R)
• M10: 18,708,560 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.7

Radius: 3

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.63 AU - 16.95 AU

Year: 20570 Days

Day: 17.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,874,166 km

• M1: 182,659 km (0.108 R)
• M2: 354,697 km (0.077 R)
• M3: 1,267,094 km (0.105 R)
• M4: 7,412,126 km (0.119 R)
• M5: 10,772,842 km (0.112 R)
• M6: 12,510,571 km (0.092 R)
• M7: 15,392,125 km (0.106 R)
• M8: 18,199,329 km (0.081 R)
• M9: 22,184,018 km (0.099 R)
• M10: 22,341,844 km (0.078 R)
• M11: 22,739,624 km (0.05 R)
• M12: 22,980,627 km (0.036 R)
• M13: 25,657,531 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 14,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit