🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.54 AU - 0.54 AU

Year: 146 Days

Day: 47.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 107,162,266 km

• M1: 39,344 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.86 AU - 1.36 AU

Year: 431 Days

Day: 23 Hours

Environment

Temp: 15 °C

Axial Tilt: 64.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 12.1

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.68 AU - 8.16 AU

Year: 8224 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 107,162,266 km

• M1: 150,645 km (0.117 R)
• M2: 1,045,091 km (0.089 R)
• M3: 1,656,497 km (0.096 R)
• M4: 2,497,387 km (0.109 R)
• M5: 3,703,445 km (0.12 R)
• M6: 4,366,463 km (0.057 R)
• M7: 4,801,194 km (0.073 R)
• M8: 9,351,363 km (0.059 R)
• M9: 12,713,575 km (0.082 R)
• M10: 13,973,040 km (0.026 R)
• M11: 15,314,035 km (0.106 R)
• M12: 16,323,072 km (0.067 R)
• M13: 20,166,242 km (0.119 R)
• M14: 21,050,365 km (0.082 R)
• M15: 25,769,580 km (0.061 R)
• M16: 27,390,173 km (0.109 R)
• M17: 31,256,830 km (0.094 R)
• M18: 35,357,457 km (0.093 R)
• M19: 42,225,345 km (0.119 R)
• M20: 44,339,762 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.7

Radius: 6.3

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 15.94 AU - 22.8 AU

Year: 31454 Days

Day: 16.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 107,162,266 km

• M1: 78,688 km (0.113 R)
• M2: 359,783 km (0.084 R)
• M3: 568,173 km (0.104 R)
• M4: 1,314,367 km (0.038 R)
• M5: 2,479,734 km (0.081 R)
• M6: 2,717,146 km (0.077 R)
• M7: 4,399,524 km (0.103 R)
• M8: 6,728,164 km (0.098 R)
• M9: 7,139,409 km (0.096 R)
• M10: 9,642,480 km (0.084 R)
• M11: 9,901,584 km (0.038 R)
• M12: 10,098,903 km (0.117 R)
• M13: 10,501,471 km (0.062 R)
• M14: 11,125,294 km (0.099 R)
• M15: 14,535,228 km (0.055 R)
• M16: 16,476,111 km (0.093 R)
• M17: 22,521,511 km (0.082 R)
• M18: 23,674,162 km (0.114 R)
• M19: 25,108,656 km (0.102 R)
• M20: 34,648,064 km (0.111 R)
• M21: 39,880,848 km (0.101 R)
• M22: 41,735,861 km (0.099 R)
• M23: 51,483,808 km (0.088 R)
• M24: 54,700,013 km (0.114 R)
• M25: 66,774,057 km (0.102 R)
• M26: 71,325,422 km (0.115 R)
• M27: 75,315,048 km (0.097 R)
• M28: 88,171,639 km (0.112 R)
• M29: 89,589,527 km (0.067 R)
• M30: 99,942,149 km (0.076 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 17,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit