🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 13.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.63 AU - 0.87 AU

Year: 457 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,207,633 km

• M1: 171,589 km (0.103 R)
• M2: 827,575 km (0.03 R)
• M3: 1,330,224 km (0.104 R)
• M4: 1,841,251 km (0.057 R)
• M5: 2,298,870 km (0.088 R)
• M6: 2,885,893 km (0.082 R)
• M7: 3,355,331 km (0.089 R)
• M8: 4,007,877 km (0.111 R)
• M9: 4,595,647 km (0.107 R)
• M10: 5,176,685 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 11

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.9 AU - 1.94 AU

Year: 1870 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,207,633 km

• M1: 136,882 km (0.097 R)
• M2: 808,726 km (0.079 R)
• M3: 2,056,821 km (0.06 R)
• M4: 2,457,295 km (0.115 R)
• M5: 2,865,098 km (0.086 R)
• M6: 3,485,182 km (0.113 R)
• M7: 4,653,242 km (0.091 R)
• M8: 5,465,409 km (0.079 R)
• M9: 5,844,789 km (0.118 R)
• M10: 7,117,567 km (0.09 R)
• M11: 8,630,002 km (0.063 R)
• M12: 9,178,727 km (0.097 R)
• M13: 11,304,064 km (0.106 R)
• M14: 11,843,663 km (0.096 R)
• M15: 12,481,399 km (0.113 R)
• M16: 13,099,837 km (0.111 R)
• M17: 14,895,011 km (0.06 R)
• M18: 15,496,993 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 12.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.04 AU - 4.96 AU

Year: 5623 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,207,633 km

• M1: 150,495 km (0.107 R)
• M2: 579,692 km (0.072 R)
• M3: 1,149,809 km (0.035 R)
• M4: 1,640,490 km (0.088 R)
• M5: 2,600,759 km (0.102 R)
• M6: 3,668,140 km (0.116 R)
• M7: 4,577,844 km (0.041 R)
• M8: 4,955,729 km (0.095 R)
• M9: 6,277,575 km (0.111 R)
• M10: 7,405,693 km (0.052 R)
• M11: 7,928,687 km (0.105 R)
• M12: 9,445,011 km (0.104 R)
• M13: 10,102,793 km (0.075 R)
• M14: 10,529,147 km (0.066 R)
• M15: 12,022,732 km (0.053 R)
• M16: 12,648,201 km (0.071 R)
• M17: 21,035,705 km (0.1 R)
• M18: 22,372,810 km (0.111 R)
• M19: 24,828,908 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.3

Radius: 3.1

Gravity: 62.57 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.85 AU - 6.45 AU

Year: 10721 Days

Day: 22.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 178.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,207,633 km

• M1: 70,161 km (0.065 R)
• M2: 210,634 km (0.103 R)
• M3: 529,427 km (0.037 R)
• M4: 789,129 km (0.077 R)
• M5: 984,055 km (0.067 R)
• M6: 1,174,044 km (0.079 R)
• M7: 2,080,458 km (0.075 R)
• M8: 2,866,146 km (0.105 R)
• M9: 6,448,117 km (0.098 R)
• M10: 6,561,662 km (0.094 R)
• M11: 6,831,836 km (0.12 R)
• M12: 7,149,581 km (0.116 R)
• M13: 7,518,789 km (0.07 R)
• M14: 7,900,413 km (0.117 R)
• M15: 8,565,076 km (0.05 R)
• M16: 9,218,370 km (0.112 R)
• M17: 9,410,903 km (0.094 R)
• M18: 11,878,969 km (0.077 R)
• M19: 14,811,835 km (0.106 R)
• M20: 15,681,896 km (0.113 R)
• M21: 15,887,443 km (0.107 R)
• M22: 17,231,132 km (0.094 R)
• M23: 17,376,840 km (0.103 R)
• M24: 19,268,056 km (0.077 R)
• M25: 21,041,988 km (0.093 R)
• M26: 21,883,177 km (0.079 R)
• M27: 22,054,017 km (0.072 R)
• M28: 29,852,106 km (0.089 R)
• M29: 36,117,863 km (0.079 R)
• M30: 36,716,404 km (0.105 R)
• M31: 37,443,599 km (0.075 R)
• M32: 37,933,532 km (0.119 R)
• M33: 38,552,119 km (0.082 R)
• M34: 38,801,349 km (0.045 R)
• M35: 40,447,973 km (0.049 R)
• M36: 44,015,284 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.5

Radius: 4.2

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.72 AU - 10.98 AU

Year: 20097 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,207,633 km

• M1: 52,210 km (0.056 R)
• M2: 1,085,632 km (0.078 R)
• M3: 1,419,684 km (0.113 R)
• M4: 1,933,552 km (0.118 R)
• M5: 2,177,846 km (0.119 R)
• M6: 3,293,547 km (0.044 R)
• M7: 5,799,909 km (0.113 R)
• M8: 12,343,320 km (0.078 R)
• M9: 14,704,424 km (0.095 R)
• M10: 18,784,257 km (0.093 R)
• M11: 23,379,006 km (0.109 R)
• M12: 25,599,188 km (0.093 R)
• M13: 27,754,295 km (0.105 R)
• M14: 34,356,049 km (0.065 R)
• M15: 47,892,412 km (0.047 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 17,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit