🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 8.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.71 AU - 0.87 AU

Year: 485 Days

Day: 6.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,412,893 km

• M1: 100,829 km (0.07 R)
• M2: 440,566 km (0.094 R)
• M3: 827,575 km (0.081 R)
• M4: 1,139,337 km (0.075 R)
• M5: 1,656,647 km (0.1 R)
• M6: 2,067,592 km (0.115 R)
• M7: 2,389,377 km (0.077 R)
• M8: 2,905,939 km (0.062 R)
• M9: 3,375,377 km (0.032 R)
• M10: 3,662,605 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.1

Radius: 10.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.83 AU - 1.01 AU

Year: 609 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,412,893 km

• M1: 132,245 km (0.116 R)
• M2: 506,987 km (0.117 R)
• M3: 907,760 km (0.072 R)
• M4: 1,248,693 km (0.069 R)
• M5: 1,632,412 km (0.11 R)
• M6: 2,212,702 km (0.087 R)
• M7: 2,761,277 km (0.075 R)
• M8: 3,144,398 km (0.081 R)
• M9: 4,004,885 km (0.106 R)
• M10: 4,408,200 km (0.083 R)
• M11: 5,659,587 km (0.074 R)
• M12: 6,610,132 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.2

Radius: 15

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.12 AU - 2.42 AU

Year: 2361 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,412,893 km

• M1: 186,549 km (0.113 R)
• M2: 750,233 km (0.101 R)
• M3: 1,397,693 km (0.078 R)
• M4: 1,865,785 km (0.072 R)
• M5: 2,371,725 km (0.092 R)
• M6: 3,152,027 km (0.113 R)
• M7: 4,369,006 km (0.075 R)
• M8: 5,648,666 km (0.057 R)
• M9: 6,988,315 km (0.114 R)
• M10: 7,623,657 km (0.084 R)
• M11: 9,010,729 km (0.113 R)
• M12: 9,581,444 km (0.106 R)
• M13: 10,062,850 km (0.107 R)
• M14: 10,756,087 km (0.095 R)
• M15: 12,109,948 km (0.108 R)
• M16: 13,482,807 km (0.06 R)
• M17: 14,041,256 km (0.09 R)
• M18: 15,154,863 km (0.105 R)
• M19: 18,621,494 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 15

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.62 AU - 2.78 AU

Year: 3062 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,412,893 km

• M1: 186,549 km (0.119 R)
• M2: 1,140,085 km (0.106 R)
• M3: 1,734,438 km (0.079 R)
• M4: 2,275,832 km (0.118 R)
• M5: 3,367,747 km (0.107 R)
• M6: 3,909,890 km (0.078 R)
• M7: 5,073,612 km (0.091 R)
• M8: 5,952,350 km (0.111 R)
• M9: 7,083,160 km (0.085 R)
• M10: 7,651,482 km (0.058 R)
• M11: 8,701,809 km (0.096 R)
• M12: 9,884,979 km (0.113 R)
• M13: 10,596,316 km (0.085 R)
• M14: 11,341,613 km (0.118 R)
• M15: 12,210,328 km (0.091 R)
• M16: 13,076,499 km (0.095 R)
• M17: 14,779,073 km (0.061 R)
• M18: 16,461,301 km (0.026 R)
• M19: 17,518,659 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 14

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.85 AU - 4.59 AU

Year: 4953 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 165.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,412,893 km

• M1: 200,162 km (0.075 R)
• M2: 806,931 km (0.119 R)
• M3: 1,352,514 km (0.117 R)
• M4: 2,534,338 km (0.108 R)
• M5: 4,934,486 km (0.104 R)
• M6: 6,514,239 km (0.115 R)
• M7: 7,366,349 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.9

Radius: 6.1

Gravity: 22.92 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.78 AU - 8.68 AU

Year: 16297 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,412,893 km

• M1: 75,846 km (0.052 R)
• M2: 2,160,193 km (0.097 R)
• M3: 2,954,558 km (0.042 R)
• M4: 3,516,298 km (0.116 R)
• M5: 4,210,582 km (0.073 R)
• M6: 6,576,472 km (0.091 R)
• M7: 8,264,684 km (0.108 R)
• M8: 10,816,973 km (0.05 R)
• M9: 11,184,535 km (0.067 R)
• M10: 11,434,214 km (0.076 R)
• M11: 11,879,866 km (0.115 R)
• M12: 12,470,030 km (0.055 R)
• M13: 14,211,648 km (0.034 R)
• M14: 16,669,392 km (0.078 R)
• M15: 25,716,173 km (0.093 R)
• M16: 26,042,147 km (0.116 R)
• M17: 31,021,662 km (0.098 R)
• M18: 31,888,133 km (0.097 R)
• M19: 32,138,709 km (0.097 R)
• M20: 33,153,731 km (0.117 R)
• M21: 36,055,331 km (0.088 R)
• M22: 38,978,623 km (0.092 R)
• M23: 39,408,866 km (0.097 R)
• M24: 49,188,977 km (0.071 R)
• M25: 50,027,922 km (0.103 R)
• M26: 58,386,852 km (0.091 R)
• M27: 59,138,432 km (0.091 R)
• M28: 59,896,444 km (0.117 R)
• M29: 69,084,596 km (0.071 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: 172 - 14,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit