🌌 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: 410.2

Radius: 12.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,238,610 km

• M1: 153,487 km (0.099 R)
• M2: 565,630 km (0.033 R)
• M3: 974,780 km (0.099 R)
• M4: 1,358,349 km (0.089 R)
• M5: 1,789,041 km (0.08 R)
• M6: 2,980,139 km (0.104 R)

Asteroid Belt

Center: 0.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 14.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1 AU - 1.32 AU

Year: 862 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,238,610 km

• M1: 175,628 km (0.076 R)
• M2: 683,363 km (0.068 R)
• M3: 1,175,390 km (0.1 R)
• M4: 1,837,511 km (0.057 R)
• M5: 2,278,525 km (0.111 R)
• M6: 2,975,801 km (0.106 R)
• M7: 3,485,780 km (0.074 R)
• M8: 3,989,626 km (0.094 R)
• M9: 4,815,107 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.4

Radius: 10

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.43 AU - 1.65 AU

Year: 1319 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,238,610 km

• M1: 127,308 km (0.116 R)
• M2: 474,225 km (0.059 R)
• M3: 813,364 km (0.078 R)
• M4: 1,524,552 km (0.098 R)
• M5: 2,515,339 km (0.055 R)
• M6: 4,513,517 km (0.091 R)
• M7: 5,254,326 km (0.072 R)
• M8: 6,320,809 km (0.111 R)
• M9: 6,773,492 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 12.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.63 AU - 2.09 AU

Year: 1751 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,238,610 km

• M1: 157,078 km (0.092 R)
• M2: 594,951 km (0.086 R)
• M3: 1,052,870 km (0.095 R)
• M4: 1,445,714 km (0.119 R)
• M5: 1,928,466 km (0.068 R)
• M6: 2,341,955 km (0.053 R)
• M7: 3,166,089 km (0.095 R)
• M8: 3,646,448 km (0.118 R)
• M9: 4,268,177 km (0.048 R)
• M10: 4,897,685 km (0.061 R)
• M11: 5,747,849 km (0.116 R)
• M12: 6,392,467 km (0.049 R)
• M13: 7,545,866 km (0.117 R)
• M14: 8,143,210 km (0.075 R)
• M15: 8,988,438 km (0.039 R)
• M16: 11,032,245 km (0.076 R)
• M17: 11,468,173 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 9.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.08 AU - 4.42 AU

Year: 5013 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 149.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,238,610 km

• M1: 115,190 km (0.085 R)
• M2: 540,796 km (0.092 R)
• M3: 838,646 km (0.088 R)
• M4: 1,213,688 km (0.108 R)
• M5: 1,758,673 km (0.095 R)
• M6: 2,183,979 km (0.097 R)
• M7: 2,566,651 km (0.119 R)
• M8: 2,959,046 km (0.11 R)
• M9: 3,824,320 km (0.056 R)
• M10: 4,383,218 km (0.117 R)
• M11: 4,825,279 km (0.079 R)
• M12: 5,771,635 km (0.107 R)
• M13: 7,562,322 km (0.08 R)
• M14: 7,994,510 km (0.101 R)
• M15: 8,871,902 km (0.047 R)
• M16: 9,428,406 km (0.104 R)
• M17: 11,238,091 km (0.115 R)
• M18: 11,801,477 km (0.073 R)
• M19: 12,751,124 km (0.115 R)
• M20: 17,923,919 km (0.106 R)
• M21: 18,217,131 km (0.102 R)
• M22: 18,934,004 km (0.112 R)
• M23: 20,743,989 km (0.092 R)
• M24: 21,790,575 km (0.051 R)
• M25: 22,598,254 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 12.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.25 AU - 4.75 AU

Year: 5522 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,238,610 km

• M1: 159,172 km (0.079 R)
• M2: 572,511 km (0.034 R)
• M3: 1,810,284 km (0.027 R)
• M4: 3,084,858 km (0.067 R)
• M5: 3,755,206 km (0.059 R)
• M6: 4,267,279 km (0.111 R)
• M7: 6,515,137 km (0.118 R)
• M8: 10,380,147 km (0.079 R)
• M9: 12,834,450 km (0.117 R)
• M10: 13,874,006 km (0.068 R)
• M11: 15,013,941 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.4

Radius: 6.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.4 AU - 8.8 AU

Year: 13059 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,238,610 km

• M1: 84,822 km (0.118 R)
• M2: 448,195 km (0.067 R)
• M3: 943,663 km (0.099 R)
• M4: 1,214,286 km (0.116 R)
• M5: 3,033,845 km (0.078 R)
• M6: 3,744,883 km (0.107 R)
• M7: 5,314,614 km (0.103 R)
• M8: 6,992,653 km (0.078 R)
• M9: 7,315,336 km (0.11 R)
• M10: 9,377,842 km (0.075 R)
• M11: 10,083,345 km (0.054 R)
• M12: 10,635,361 km (0.119 R)
• M13: 12,621,273 km (0.079 R)
• M14: 13,757,020 km (0.089 R)
• M15: 14,551,086 km (0.106 R)
• M16: 22,575,067 km (0.075 R)
• M17: 30,207,550 km (0.048 R)
• M18: 31,159,740 km (0.084 R)
• M19: 31,838,017 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit