🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.64 AU - 0.78 AU

Year: 223 Days

Day: 41.8 Hours

Environment

Temp: 117 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.94 AU - 1.34 AU

Year: 454 Days

Day: 30.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 18,333,778 km

• M1: 354,397 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.83 AU - 3.51 AU

Year: 2104 Days

Day: 39.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 13

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.86 AU - 4.86 AU

Year: 3994 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,333,778 km

• M1: 161,715 km (0.098 R)
• M2: 679,623 km (0.119 R)
• M3: 1,092,513 km (0.066 R)
• M4: 1,736,382 km (0.059 R)
• M5: 3,189,427 km (0.098 R)
• M6: 4,633,196 km (0.119 R)
• M7: 8,355,490 km (0.109 R)
• M8: 11,886,748 km (0.092 R)
• M9: 15,839,871 km (0.101 R)
• M10: 17,719,419 km (0.1 R)
• M11: 18,858,008 km (0.107 R)
• M12: 19,564,110 km (0.107 R)
• M13: 20,904,657 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.4

Radius: 14.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.7 AU - 5.46 AU

Year: 4268 Days

Day: 11.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,333,778 km

• M1: 181,612 km (0.053 R)
• M2: 638,185 km (0.112 R)
• M3: 1,396,347 km (0.075 R)
• M4: 2,018,524 km (0.107 R)
• M5: 2,675,408 km (0.055 R)
• M6: 4,698,869 km (0.067 R)
• M7: 5,519,713 km (0.118 R)
• M8: 8,149,942 km (0.107 R)
• M9: 9,440,673 km (0.093 R)
• M10: 10,080,653 km (0.091 R)
• M11: 10,598,261 km (0.083 R)
• M12: 11,970,672 km (0.077 R)
• M13: 14,270,440 km (0.045 R)
• M14: 14,782,364 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 11,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit