🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.1

Radius: 12.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.48 AU - 0.56 AU

Year: 264 Days

Day: 5.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,092,687 km

• M1: 160,519 km (0.098 R)
• M2: 607,667 km (0.104 R)
• M3: 1,100,292 km (0.075 R)
• M4: 1,672,654 km (0.119 R)
• M5: 2,674,062 km (0.063 R)
• M6: 3,391,533 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 12.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.59 AU - 0.63 AU

Year: 335 Days

Day: 10.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,092,687 km

• M1: 154,834 km (0.099 R)
• M2: 750,233 km (0.107 R)
• M3: 1,185,114 km (0.098 R)
• M4: 1,615,358 km (0.064 R)
• M5: 2,430,816 km (0.095 R)
• M6: 2,910,576 km (0.104 R)
• M7: 3,524,526 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 13.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.7 AU - 0.96 AU

Year: 532 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 17,092,687 km

• M1: 169,494 km (0.086 R)
• M2: 650,003 km (0.081 R)
• M3: 1,235,678 km (0.091 R)
• M4: 1,855,014 km (0.102 R)
• M5: 2,661,945 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 13.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.71 AU - 1.09 AU

Year: 600 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,092,687 km

• M1: 165,455 km (0.093 R)
• M2: 588,368 km (0.088 R)
• M3: 1,085,632 km (0.055 R)
• M4: 1,659,938 km (0.117 R)
• M5: 2,178,295 km (0.109 R)
• M6: 2,900,254 km (0.089 R)
• M7: 3,330,049 km (0.058 R)
• M8: 4,626,464 km (0.118 R)
• M9: 5,073,313 km (0.1 R)
• M10: 5,498,320 km (0.062 R)
• M11: 5,947,413 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 14.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.6 AU - 2.48 AU

Year: 2048 Days

Day: 5 Hours

Environment

Temp: -212 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,092,687 km

• M1: 180,265 km (0.039 R)
• M2: 775,815 km (0.111 R)
• M3: 1,466,059 km (0.104 R)
• M4: 2,420,045 km (0.108 R)
• M5: 3,618,324 km (0.053 R)
• M6: 6,190,809 km (0.075 R)
• M7: 7,638,467 km (0.089 R)
• M8: 8,442,107 km (0.106 R)
• M9: 9,170,798 km (0.106 R)
• M10: 10,790,345 km (0.082 R)
• M11: 11,841,719 km (0.083 R)
• M12: 12,472,722 km (0.078 R)
• M13: 14,148,667 km (0.103 R)
• M14: 15,041,019 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 9.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.36 AU - 3.22 AU

Year: 3276 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,092,687 km

• M1: 116,986 km (0.095 R)
• M2: 530,624 km (0.069 R)
• M3: 1,102,985 km (0.087 R)
• M4: 1,508,246 km (0.03 R)
• M5: 2,379,354 km (0.075 R)
• M6: 2,699,344 km (0.026 R)
• M7: 2,998,839 km (0.106 R)
• M8: 3,760,292 km (0.113 R)
• M9: 4,342,976 km (0.083 R)
• M10: 5,172,496 km (0.107 R)
• M11: 6,512,145 km (0.085 R)
• M12: 6,822,860 km (0.118 R)
• M13: 8,900,924 km (0.102 R)
• M14: 10,578,065 km (0.105 R)
• M15: 11,862,662 km (0.106 R)
• M16: 13,158,629 km (0.099 R)
• M17: 14,738,681 km (0.087 R)
• M18: 15,226,520 km (0.116 R)
• M19: 16,860,578 km (0.08 R)
• M20: 17,286,632 km (0.116 R)
• M21: 17,939,328 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 9.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.86 AU - 3.9 AU

Year: 4368 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,092,687 km

• M1: 116,836 km (0.115 R)
• M2: 411,843 km (0.04 R)
• M3: 715,975 km (0.07 R)
• M4: 1,108,520 km (0.03 R)
• M5: 1,438,533 km (0.096 R)
• M6: 1,856,958 km (0.094 R)
• M7: 2,435,603 km (0.102 R)
• M8: 2,745,719 km (0.093 R)
• M9: 3,327,356 km (0.047 R)
• M10: 4,221,652 km (0.067 R)
• M11: 6,322,006 km (0.037 R)
• M12: 7,627,846 km (0.106 R)
• M13: 8,873,846 km (0.088 R)
• M14: 9,788,338 km (0.098 R)
• M15: 10,250,596 km (0.087 R)
• M16: 12,533,609 km (0.112 R)
• M17: 13,206,799 km (0.114 R)
• M18: 15,754,451 km (0.116 R)
• M19: 17,092,754 km (0.053 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: 163 - 10,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit