🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.48 AU - 0.56 AU

Year: 140 Days

Day: 40.4 Hours

Environment

Temp: 211 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.93 AU - 1.19 AU

Year: 407 Days

Day: 46.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 11.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.14 AU - 9 AU

Year: 8546 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,200,550 km

• M1: 140,472 km (0.037 R)
• M2: 633,697 km (0.11 R)
• M3: 1,811,481 km (0.117 R)
• M4: 2,982,234 km (0.087 R)
• M5: 3,461,695 km (0.041 R)
• M6: 5,357,399 km (0.074 R)
• M7: 6,131,269 km (0.102 R)
• M8: 7,046,359 km (0.108 R)
• M9: 12,624,564 km (0.1 R)
• M10: 13,139,630 km (0.088 R)
• M11: 13,992,936 km (0.031 R)
• M12: 15,168,476 km (0.058 R)
• M13: 29,134,036 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.3

Radius: 8.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.09 AU - 10.77 AU

Year: 12557 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,200,550 km

• M1: 109,506 km (0.103 R)
• M2: 857,046 km (0.075 R)
• M3: 1,376,300 km (0.033 R)
• M4: 1,897,350 km (0.057 R)
• M5: 2,375,016 km (0.092 R)
• M6: 2,763,671 km (0.088 R)
• M7: 3,308,955 km (0.045 R)
• M8: 3,694,469 km (0.054 R)
• M9: 4,056,197 km (0.103 R)
• M10: 4,555,854 km (0.085 R)
• M11: 5,317,456 km (0.094 R)
• M12: 5,847,930 km (0.108 R)
• M13: 7,817,985 km (0.086 R)
• M14: 8,637,033 km (0.079 R)
• M15: 11,600,417 km (0.12 R)
• M16: 12,664,806 km (0.109 R)
• M17: 15,775,395 km (0.107 R)
• M18: 23,023,411 km (0.046 R)
• M19: 25,798,901 km (0.085 R)
• M20: 26,078,798 km (0.119 R)
• M21: 27,508,804 km (0.106 R)
• M22: 28,990,422 km (0.092 R)
• M23: 33,090,600 km (0.106 R)
• M24: 33,865,218 km (0.094 R)
• M25: 36,966,980 km (0.087 R)
• M26: 37,322,874 km (0.101 R)
• M27: 40,629,734 km (0.055 R)
• M28: 42,809,226 km (0.108 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: 494 - 10,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit