🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.19 AU - 1.29 AU

Year: 520 Days

Day: 15.8 Hours

Environment

Temp: -11 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.17 AU - 3.19 AU

Year: 1653 Days

Day: 23.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,674,180 km

• M1: 1,696,739 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.6 AU - 3.08 AU

Year: 1803 Days

Day: 22.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.21 AU - 4.01 AU

Year: 2584 Days

Day: 44.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,674,180 km

• M1: 25,731 km (0.116 R)
• M2: 507,586 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 12.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.98 AU - 6.88 AU

Year: 6142 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,674,180 km

• M1: 155,432 km (0.059 R)
• M2: 550,221 km (0.087 R)
• M3: 962,064 km (0.064 R)
• M4: 1,435,840 km (0.12 R)
• M5: 1,850,974 km (0.072 R)
• M6: 2,234,543 km (0.084 R)
• M7: 2,781,174 km (0.083 R)
• M8: 3,791,109 km (0.063 R)
• M9: 4,368,258 km (0.041 R)
• M10: 5,143,474 km (0.067 R)
• M11: 6,231,051 km (0.102 R)
• M12: 8,376,134 km (0.113 R)
• M13: 11,117,216 km (0.071 R)
• M14: 12,612,596 km (0.1 R)
• M15: 17,059,692 km (0.115 R)
• M16: 17,901,629 km (0.08 R)
• M17: 20,449,879 km (0.041 R)
• M18: 21,178,271 km (0.082 R)
• M19: 21,923,718 km (0.118 R)
• M20: 22,455,987 km (0.03 R)
• M21: 22,996,783 km (0.102 R)
• M22: 23,467,119 km (0.101 R)
• M23: 24,835,042 km (0.092 R)
• M24: 26,085,680 km (0.115 R)
• M25: 28,712,020 km (0.113 R)
• M26: 31,799,571 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 20,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit