🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.1

Radius: 11.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.58 AU - 0.82 AU

Year: 404 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,661,162 km

• M1: 139,276 km (0.08 R)
• M2: 534,513 km (0.078 R)
• M3: 908,807 km (0.106 R)
• M4: 1,369,718 km (0.103 R)
• M5: 1,809,985 km (0.059 R)
• M6: 2,181,586 km (0.114 R)
• M7: 2,884,247 km (0.082 R)
• M8: 3,481,292 km (0.084 R)
• M9: 3,849,004 km (0.081 R)
• M10: 4,693,484 km (0.037 R)
• M11: 5,048,330 km (0.069 R)
• M12: 5,847,482 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 9.9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.91 AU - 0.97 AU

Year: 629 Days

Day: 7.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,661,162 km

• M1: 123,119 km (0.119 R)
• M2: 460,761 km (0.093 R)
• M3: 872,455 km (0.12 R)
• M4: 1,201,121 km (0.114 R)
• M5: 1,513,781 km (0.064 R)
• M6: 1,980,526 km (0.066 R)
• M7: 2,433,957 km (0.108 R)
• M8: 2,777,883 km (0.108 R)
• M9: 4,070,708 km (0.107 R)
• M10: 4,477,165 km (0.089 R)
• M11: 5,191,196 km (0.095 R)
• M12: 5,900,888 km (0.052 R)
• M13: 6,568,394 km (0.042 R)
• M14: 7,218,247 km (0.098 R)
• M15: 7,674,969 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 12.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.75 AU - 1.19 AU

Year: 659 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,661,162 km

• M1: 153,039 km (0.091 R)
• M2: 646,412 km (0.039 R)
• M3: 1,045,540 km (0.071 R)
• M4: 1,453,044 km (0.116 R)
• M5: 1,931,458 km (0.062 R)
• M6: 2,541,817 km (0.116 R)
• M7: 4,203,102 km (0.101 R)
• M8: 4,755,268 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.07 AU - 1.43 AU

Year: 965 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,661,162 km

• M1: 170,392 km (0.109 R)
• M2: 610,060 km (0.063 R)
• M3: 1,070,672 km (0.114 R)
• M4: 1,499,719 km (0.043 R)
• M5: 1,950,158 km (0.076 R)
• M6: 2,631,427 km (0.105 R)
• M7: 3,068,552 km (0.083 R)
• M8: 3,672,628 km (0.067 R)
• M9: 4,491,526 km (0.063 R)
• M10: 5,046,684 km (0.077 R)
• M11: 6,317,518 km (0.072 R)
• M12: 7,617,524 km (0.081 R)
• M13: 8,895,389 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 13.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.35 AU - 2.19 AU

Year: 1625 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,661,162 km

• M1: 172,935 km (0.097 R)
• M2: 999,613 km (0.065 R)
• M3: 1,434,943 km (0.107 R)
• M4: 2,528,952 km (0.099 R)
• M5: 3,731,270 km (0.115 R)
• M6: 4,579,041 km (0.118 R)
• M7: 5,049,377 km (0.114 R)
• M8: 5,850,623 km (0.104 R)
• M9: 8,051,507 km (0.102 R)
• M10: 9,274,170 km (0.065 R)
• M11: 9,863,287 km (0.106 R)
• M12: 10,547,099 km (0.096 R)
• M13: 11,008,309 km (0.079 R)
• M14: 11,446,182 km (0.087 R)
• M15: 11,971,570 km (0.055 R)
• M16: 13,151,897 km (0.066 R)
• M17: 14,150,911 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 9.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.69 AU - 2.73 AU

Year: 2268 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,661,162 km

• M1: 113,246 km (0.088 R)
• M2: 432,787 km (0.109 R)
• M3: 1,129,314 km (0.057 R)
• M4: 2,160,642 km (0.089 R)
• M5: 2,578,020 km (0.111 R)
• M6: 2,918,654 km (0.085 R)
• M7: 4,891,701 km (0.055 R)
• M8: 6,214,595 km (0.085 R)
• M9: 6,805,357 km (0.075 R)
• M10: 7,460,147 km (0.089 R)
• M11: 9,710,099 km (0.111 R)
• M12: 10,505,810 km (0.083 R)
• M13: 12,113,987 km (0.118 R)
• M14: 12,957,270 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 12

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.57 AU - 5.15 AU

Year: 6284 Days

Day: 8.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,661,162 km

• M1: 150,047 km (0.042 R)
• M2: 602,879 km (0.088 R)
• M3: 1,259,016 km (0.103 R)
• M4: 1,693,298 km (0.081 R)
• M5: 2,424,981 km (0.111 R)
• M6: 6,779,028 km (0.077 R)
• M7: 10,482,772 km (0.045 R)
• M8: 12,397,325 km (0.096 R)
• M9: 14,077,608 km (0.034 R)
• M10: 17,753,228 km (0.032 R)
• M11: 18,422,379 km (0.097 R)
• M12: 19,740,337 km (0.091 R)
• M13: 20,386,151 km (0.062 R)
• M14: 21,720,115 km (0.109 R)
• M15: 28,178,704 km (0.119 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: 236 - 12,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit