🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 11.7

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,256,044 km

• M1: 145,559 km (0.1 R)
• M2: 705,952 km (0.054 R)
• M3: 1,455,138 km (0.086 R)
• M4: 2,266,109 km (0.094 R)
• M5: 2,739,885 km (0.116 R)
• M6: 3,540,084 km (0.035 R)
• M7: 4,027,175 km (0.119 R)
• M8: 4,755,716 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734

Radius: 13.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.61 AU - 0.89 AU

Year: 441 Days

Day: 13.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,256,044 km

• M1: 178,769 km (0.104 R)
• M2: 715,975 km (0.078 R)
• M3: 1,176,288 km (0.075 R)
• M4: 2,381,149 km (0.104 R)
• M5: 3,080,669 km (0.104 R)
• M6: 3,746,230 km (0.079 R)
• M7: 4,420,168 km (0.089 R)
• M8: 5,063,439 km (0.088 R)
• M9: 5,941,579 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 12.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.51 AU - 1.51 AU

Year: 1259 Days

Day: 8.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,256,044 km

• M1: 153,039 km (0.096 R)
• M2: 679,922 km (0.11 R)
• M3: 1,109,717 km (0.104 R)
• M4: 1,858,155 km (0.093 R)
• M5: 2,298,870 km (0.088 R)
• M6: 2,883,349 km (0.032 R)
• M7: 3,493,858 km (0.09 R)
• M8: 4,814,059 km (0.079 R)
• M9: 5,365,627 km (0.119 R)
• M10: 7,490,665 km (0.055 R)
• M11: 7,880,666 km (0.112 R)
• M12: 8,309,863 km (0.119 R)
• M13: 8,834,801 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.4

Radius: 12.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.24 AU - 2.02 AU

Year: 1411 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,256,044 km

• M1: 150,944 km (0.063 R)
• M2: 628,760 km (0.111 R)
• M3: 1,155,045 km (0.096 R)
• M4: 1,581,848 km (0.067 R)
• M5: 2,227,662 km (0.104 R)
• M6: 2,710,863 km (0.102 R)
• M7: 3,288,909 km (0.094 R)
• M8: 3,834,493 km (0.088 R)
• M9: 4,271,468 km (0.07 R)
• M10: 5,387,019 km (0.073 R)
• M11: 6,605,644 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.1

Radius: 8.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.39 AU - 2.05 AU

Year: 1530 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,256,044 km

• M1: 104,419 km (0.082 R)
• M2: 390,899 km (0.109 R)
• M3: 734,226 km (0.103 R)
• M4: 997,070 km (0.119 R)
• M5: 1,324,689 km (0.093 R)
• M6: 1,641,687 km (0.107 R)
• M7: 1,967,960 km (0.115 R)
• M8: 2,235,291 km (0.065 R)
• M9: 2,551,541 km (0.038 R)
• M10: 3,959,856 km (0.08 R)
• M11: 5,302,497 km (0.112 R)
• M12: 5,612,164 km (0.109 R)
• M13: 5,912,108 km (0.108 R)
• M14: 8,131,093 km (0.037 R)
• M15: 9,203,710 km (0.033 R)
• M16: 9,591,617 km (0.06 R)
• M17: 10,528,100 km (0.056 R)
• M18: 11,118,712 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 10.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.77 AU - 3.07 AU

Year: 3384 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,256,044 km

• M1: 130,749 km (0.111 R)
• M2: 606,919 km (0.115 R)
• M3: 1,196,334 km (0.094 R)
• M4: 1,912,609 km (0.113 R)
• M5: 2,821,266 km (0.116 R)
• M6: 4,051,110 km (0.099 R)
• M7: 5,677,688 km (0.093 R)
• M8: 8,050,909 km (0.086 R)
• M9: 9,131,005 km (0.063 R)
• M10: 9,689,304 km (0.106 R)
• M11: 10,515,982 km (0.12 R)
• M12: 11,539,232 km (0.091 R)
• M13: 12,036,345 km (0.084 R)
• M14: 12,828,915 km (0.08 R)
• M15: 14,962,480 km (0.116 R)
• M16: 15,370,284 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 9.3

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.52 AU - 5.56 AU

Year: 6561 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,256,044 km

• M1: 115,938 km (0.103 R)
• M2: 464,950 km (0.066 R)
• M3: 981,661 km (0.074 R)
• M4: 1,310,926 km (0.112 R)
• M5: 2,591,185 km (0.101 R)
• M6: 2,890,081 km (0.118 R)
• M7: 3,191,371 km (0.095 R)
• M8: 4,300,789 km (0.079 R)
• M9: 4,614,496 km (0.104 R)
• M10: 5,526,893 km (0.102 R)
• M11: 6,386,632 km (0.112 R)
• M12: 6,761,375 km (0.056 R)
• M13: 9,327,427 km (0.11 R)
• M14: 10,218,432 km (0.031 R)
• M15: 10,827,146 km (0.07 R)
• M16: 13,898,540 km (0.101 R)
• M17: 16,033,750 km (0.078 R)
• M18: 18,583,945 km (0.088 R)
• M19: 19,208,815 km (0.093 R)
• M20: 21,544,337 km (0.065 R)
• M21: 25,904,218 km (0.07 R)
• M22: 29,116,832 km (0.057 R)
• M23: 29,582,979 km (0.087 R)
• M24: 31,595,818 km (0.103 R)
• M25: 32,585,707 km (0.067 R)
• M26: 33,800,741 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 13,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit