🌌 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: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.61 AU - 0.75 AU

Year: 216 Days

Day: 25.1 Hours

Environment

Temp: 97 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.71 AU - 0.87 AU

Year: 270 Days

Day: 32.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.6 AU - 0.98 AU

Year: 270 Days

Day: 12.3 Hours

Environment

Temp: 47 °C

Axial Tilt: 145.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.5

Radius: 11.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.52 AU - 6.64 AU

Year: 5075 Days

Day: 13.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,470,853 km

• M1: 148,700 km (0.106 R)
• M2: 586,573 km (0.067 R)
• M3: 1,507,797 km (0.078 R)
• M4: 1,936,245 km (0.06 R)
• M5: 2,446,673 km (0.111 R)
• M6: 3,273,052 km (0.102 R)
• M7: 4,047,670 km (0.045 R)
• M8: 4,889,158 km (0.103 R)
• M9: 5,284,096 km (0.109 R)
• M10: 6,019,519 km (0.083 R)
• M11: 6,536,380 km (0.118 R)
• M12: 7,249,214 km (0.1 R)
• M13: 8,013,210 km (0.054 R)
• M14: 9,298,555 km (0.118 R)
• M15: 15,777,639 km (0.091 R)
• M16: 16,762,741 km (0.086 R)
• M17: 18,410,860 km (0.12 R)
• M18: 19,897,863 km (0.088 R)
• M19: 26,330,871 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 13.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7 AU - 8.88 AU

Year: 8614 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,470,853 km

• M1: 165,006 km (0.095 R)
• M2: 827,875 km (0.071 R)
• M3: 1,253,032 km (0.093 R)
• M4: 1,903,633 km (0.107 R)
• M5: 2,502,324 km (0.11 R)
• M6: 2,923,442 km (0.078 R)
• M7: 3,645,700 km (0.073 R)
• M8: 8,476,066 km (0.116 R)
• M9: 9,400,281 km (0.086 R)
• M10: 10,390,470 km (0.032 R)
• M11: 12,954,727 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.7

Radius: 3

Gravity: 66.08 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 12.86 AU - 14.94 AU

Year: 19952 Days

Day: 21.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,470,853 km

• M1: 37,848 km (0.097 R)
• M2: 136,433 km (0.083 R)
• M3: 258,206 km (0.094 R)
• M4: 851,361 km (0.117 R)
• M5: 1,038,658 km (0.103 R)
• M6: 1,224,309 km (0.076 R)
• M7: 1,370,017 km (0.094 R)
• M8: 2,834,281 km (0.116 R)
• M9: 3,223,385 km (0.058 R)
• M10: 4,433,931 km (0.072 R)
• M11: 5,716,284 km (0.11 R)
• M12: 6,291,937 km (0.096 R)
• M13: 7,849,251 km (0.073 R)
• M14: 8,199,010 km (0.107 R)
• M15: 8,352,049 km (0.119 R)
• M16: 9,037,357 km (0.104 R)
• M17: 9,421,375 km (0.101 R)
• M18: 10,458,836 km (0.088 R)
• M19: 11,129,034 km (0.108 R)
• M20: 13,522,152 km (0.103 R)
• M21: 14,613,169 km (0.119 R)
• M22: 14,913,711 km (0.099 R)
• M23: 15,682,943 km (0.111 R)
• M24: 18,671,460 km (0.08 R)
• M25: 18,936,398 km (0.114 R)
• M26: 22,314,018 km (0.112 R)
• M27: 23,115,564 km (0.112 R)
• M28: 24,882,015 km (0.105 R)
• M29: 28,915,772 km (0.083 R)
• M30: 29,389,100 km (0.108 R)
• M31: 30,108,815 km (0.074 R)
• M32: 38,817,356 km (0.083 R)
• M33: 46,109,056 km (0.066 R)
• M34: 49,398,713 km (0.058 R)
• M35: 51,273,025 km (0.061 R)
• M36: 54,083,071 km (0.078 R)
• M37: 57,179,298 km (0.09 R)
• M38: 69,471,007 km (0.049 R)
• M39: 71,605,170 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 16,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit