🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.8

Radius: 13.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.48 AU - 0.8 AU

Year: 341 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,400,122 km

• M1: 171,738 km (0.03 R)
• M2: 654,790 km (0.104 R)
• M3: 1,307,934 km (0.066 R)
• M4: 1,802,355 km (0.104 R)
• M5: 2,323,255 km (0.038 R)
• M6: 2,811,991 km (0.092 R)
• M7: 3,664,699 km (0.11 R)
• M8: 4,097,336 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 9.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.95 AU - 1.35 AU

Year: 822 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,400,122 km

• M1: 118,781 km (0.106 R)
• M2: 435,031 km (0.118 R)
• M3: 796,758 km (0.089 R)
• M4: 1,417,589 km (0.049 R)
• M5: 2,024,508 km (0.079 R)
• M6: 2,363,497 km (0.074 R)
• M7: 2,795,984 km (0.104 R)
• M8: 3,231,015 km (0.05 R)
• M9: 4,104,966 km (0.054 R)
• M10: 4,511,423 km (0.067 R)
• M11: 5,422,923 km (0.116 R)
• M12: 5,801,705 km (0.034 R)
• M13: 6,878,211 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 14.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.35 AU - 1.89 AU

Year: 1375 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,400,122 km

• M1: 176,675 km (0.093 R)
• M2: 695,181 km (0.088 R)
• M3: 1,681,330 km (0.031 R)
• M4: 2,206,569 km (0.084 R)
• M5: 2,737,791 km (0.088 R)
• M6: 3,366,401 km (0.081 R)
• M7: 3,890,143 km (0.082 R)
• M8: 4,540,744 km (0.058 R)
• M9: 5,279,608 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.2

Radius: 11.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.1 AU - 2.98 AU

Year: 2699 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,400,122 km

• M1: 147,055 km (0.039 R)
• M2: 717,621 km (0.075 R)
• M3: 1,399,189 km (0.12 R)
• M4: 1,872,367 km (0.032 R)
• M5: 2,263,715 km (0.106 R)
• M6: 2,845,950 km (0.096 R)
• M7: 3,350,843 km (0.039 R)
• M8: 4,312,009 km (0.105 R)
• M9: 5,164,567 km (0.088 R)
• M10: 5,643,729 km (0.118 R)
• M11: 6,831,088 km (0.108 R)
• M12: 8,500,450 km (0.119 R)
• M13: 9,170,200 km (0.119 R)
• M14: 10,314,773 km (0.091 R)
• M15: 10,844,499 km (0.116 R)
• M16: 11,673,122 km (0.105 R)
• M17: 12,332,400 km (0.115 R)
• M18: 13,016,361 km (0.091 R)
• M19: 13,997,873 km (0.087 R)
• M20: 14,837,117 km (0.119 R)
• M21: 16,462,498 km (0.067 R)
• M22: 16,977,713 km (0.098 R)
• M23: 17,878,292 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.4

Radius: 10.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.6 AU - 3.6 AU

Year: 3640 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,400,122 km

• M1: 130,749 km (0.105 R)
• M2: 535,860 km (0.111 R)
• M3: 1,061,098 km (0.094 R)
• M4: 1,415,944 km (0.07 R)
• M5: 2,404,337 km (0.057 R)
• M6: 2,860,012 km (0.09 R)
• M7: 3,207,229 km (0.083 R)
• M8: 3,987,830 km (0.047 R)
• M9: 4,333,701 km (0.109 R)
• M10: 5,441,772 km (0.072 R)
• M11: 7,412,724 km (0.092 R)
• M12: 9,248,739 km (0.045 R)
• M13: 10,212,448 km (0.056 R)
• M14: 10,905,236 km (0.085 R)
• M15: 12,521,043 km (0.104 R)
• M16: 14,491,695 km (0.079 R)
• M17: 15,951,172 km (0.089 R)
• M18: 18,202,770 km (0.072 R)
• M19: 22,707,461 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 9.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.38 AU - 3.56 AU

Year: 4310 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,400,122 km

• M1: 118,182 km (0.099 R)
• M2: 3,031,152 km (0.079 R)
• M3: 3,578,082 km (0.09 R)
• M4: 4,089,707 km (0.114 R)
• M5: 5,259,263 km (0.11 R)
• M6: 8,470,531 km (0.092 R)
• M7: 14,271,786 km (0.107 R)
• M8: 15,024,713 km (0.11 R)
• M9: 16,815,698 km (0.084 R)
• M10: 17,284,837 km (0.071 R)
• M11: 18,140,387 km (0.12 R)

Asteroid Belt

Center: 5.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.3

Radius: 4.4

Gravity: 30.9 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.65 AU - 8.79 AU

Year: 12937 Days

Day: 15.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,400,122 km

• M1: 55,052 km (0.118 R)
• M2: 200,611 km (0.055 R)
• M3: 1,627,176 km (0.057 R)
• M4: 2,569,194 km (0.085 R)
• M5: 4,375,588 km (0.067 R)
• M6: 7,608,249 km (0.048 R)
• M7: 8,423,407 km (0.094 R)
• M8: 11,272,948 km (0.097 R)
• M9: 16,917,425 km (0.061 R)
• M10: 17,675,886 km (0.098 R)
• M11: 18,141,584 km (0.118 R)
• M12: 18,535,924 km (0.077 R)
• M13: 21,457,720 km (0.056 R)
• M14: 22,166,216 km (0.11 R)
• M15: 22,616,804 km (0.106 R)
• M16: 26,143,125 km (0.114 R)
• M17: 29,800,345 km (0.12 R)
• M18: 39,540,662 km (0.079 R)
• M19: 53,750,515 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 18,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit