🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.6 AU - 0.76 AU

Year: 211 Days

Day: 39.9 Hours

Environment

Temp: 171 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.81 AU - 0.87 AU

Year: 290 Days

Day: 39.3 Hours

Environment

Temp: 78 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,372,071 km

• M1: 487,091 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.85 AU - 0.87 AU

Year: 300 Days

Day: 15.6 Hours

Environment

Temp: 40 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 8.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.68 AU - 11.12 AU

Year: 11735 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,372,071 km

• M1: 165,754 km (0.101 R)
• M2: 512,672 km (0.084 R)
• M3: 971,937 km (0.119 R)
• M4: 1,338,003 km (0.076 R)
• M5: 1,795,174 km (0.032 R)
• M6: 2,280,171 km (0.075 R)
• M7: 2,603,601 km (0.09 R)
• M8: 3,737,404 km (0.106 R)
• M9: 7,136,716 km (0.034 R)
• M10: 9,173,042 km (0.102 R)
• M11: 10,146,924 km (0.077 R)
• M12: 10,974,500 km (0.084 R)
• M13: 13,299,849 km (0.072 R)
• M14: 18,900,494 km (0.12 R)
• M15: 19,363,200 km (0.089 R)
• M16: 20,878,477 km (0.099 R)
• M17: 24,324,015 km (0.095 R)
• M18: 32,979,299 km (0.105 R)
• M19: 35,483,568 km (0.084 R)
• M20: 36,424,688 km (0.105 R)
• M21: 38,603,132 km (0.045 R)
• M22: 40,738,941 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 13.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.75 AU - 13.09 AU

Year: 13594 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,372,071 km

• M1: 180,864 km (0.09 R)
• M2: 1,109,567 km (0.096 R)
• M3: 1,646,025 km (0.116 R)
• M4: 2,187,570 km (0.049 R)
• M5: 4,477,464 km (0.054 R)
• M6: 4,944,359 km (0.102 R)
• M7: 5,375,351 km (0.079 R)
• M8: 6,162,385 km (0.058 R)
• M9: 6,702,433 km (0.084 R)
• M10: 8,846,171 km (0.111 R)
• M11: 9,484,505 km (0.069 R)
• M12: 10,798,573 km (0.086 R)
• M13: 13,401,276 km (0.095 R)
• M14: 15,469,766 km (0.087 R)
• M15: 16,838,288 km (0.085 R)
• M16: 17,286,782 km (0.061 R)
• M17: 19,080,460 km (0.103 R)
• M18: 20,231,317 km (0.033 R)
• M19: 22,943,975 km (0.084 R)
• M20: 24,150,631 km (0.105 R)
• M21: 30,493,880 km (0.087 R)
• M22: 31,611,376 km (0.068 R)
• M23: 32,409,780 km (0.087 R)
• M24: 35,128,123 km (0.106 R)
• M25: 38,509,035 km (0.076 R)
• M26: 41,691,580 km (0.057 R)
• M27: 43,207,306 km (0.086 R)
• M28: 46,056,696 km (0.1 R)
• M29: 49,945,194 km (0.065 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit