🌌 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: 171.6

Radius: 13.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 14.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,761,999 km

• M1: 166,652 km (0.108 R)
• M2: 999,314 km (0.118 R)
• M3: 1,475,185 km (0.094 R)
• M4: 2,161,540 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 12.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.72 AU - 0.84 AU

Year: 459 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,761,999 km

• M1: 160,519 km (0.094 R)
• M2: 587,471 km (0.118 R)
• M3: 1,022,501 km (0.059 R)
• M4: 1,424,621 km (0.12 R)
• M5: 1,943,127 km (0.116 R)
• M6: 2,568,446 km (0.103 R)
• M7: 3,022,625 km (0.063 R)
• M8: 3,472,615 km (0.092 R)
• M9: 4,523,092 km (0.064 R)
• M10: 4,981,011 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 10.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.99 AU - 1.41 AU

Year: 877 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,761,999 km

• M1: 135,685 km (0.1 R)
• M2: 489,035 km (0.107 R)
• M3: 982,409 km (0.1 R)
• M4: 2,201,632 km (0.117 R)
• M5: 3,787,369 km (0.117 R)
• M6: 4,424,507 km (0.101 R)
• M7: 5,289,033 km (0.071 R)
• M8: 6,144,433 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 14.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.21 AU - 1.41 AU

Year: 1000 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,761,999 km

• M1: 182,809 km (0.111 R)
• M2: 759,658 km (0.1 R)
• M3: 1,526,796 km (0.1 R)
• M4: 2,141,942 km (0.106 R)
• M5: 3,945,793 km (0.074 R)
• M6: 4,556,302 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 8.5

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.41 AU - 1.45 AU

Year: 1140 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,761,999 km

• M1: 105,766 km (0.071 R)
• M2: 421,268 km (0.113 R)
• M3: 776,413 km (0.054 R)
• M4: 1,106,725 km (0.085 R)
• M5: 1,639,293 km (0.118 R)
• M6: 1,975,290 km (0.115 R)
• M7: 2,297,973 km (0.114 R)
• M8: 2,734,499 km (0.109 R)
• M9: 3,499,992 km (0.086 R)
• M10: 4,644,415 km (0.1 R)
• M11: 5,686,514 km (0.085 R)
• M12: 6,089,232 km (0.074 R)
• M13: 7,103,356 km (0.102 R)
• M14: 7,412,724 km (0.062 R)
• M15: 7,975,960 km (0.117 R)
• M16: 8,338,735 km (0.098 R)
• M17: 8,888,806 km (0.084 R)
• M18: 9,649,063 km (0.098 R)
• M19: 11,263,972 km (0.049 R)
• M20: 11,864,009 km (0.093 R)
• M21: 12,263,585 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 8.2

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.78 AU - 3.38 AU

Year: 3605 Days

Day: 13.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,761,999 km

• M1: 115,340 km (0.104 R)
• M2: 465,698 km (0.075 R)
• M3: 805,285 km (0.054 R)
• M4: 1,349,522 km (0.103 R)
• M5: 1,633,160 km (0.099 R)
• M6: 2,050,987 km (0.105 R)
• M7: 2,383,094 km (0.101 R)
• M8: 2,801,819 km (0.067 R)
• M9: 3,268,863 km (0.11 R)
• M10: 3,662,605 km (0.074 R)
• M11: 4,986,247 km (0.093 R)
• M12: 5,428,458 km (0.11 R)
• M13: 6,391,270 km (0.114 R)
• M14: 7,266,268 km (0.062 R)
• M15: 8,397,377 km (0.111 R)
• M16: 9,061,592 km (0.063 R)
• M17: 10,082,448 km (0.109 R)
• M18: 11,265,468 km (0.042 R)
• M19: 12,870,952 km (0.054 R)
• M20: 13,753,579 km (0.109 R)
• M21: 14,780,868 km (0.111 R)
• M22: 15,045,507 km (0.11 R)
• M23: 16,024,475 km (0.086 R)
• M24: 19,278,977 km (0.102 R)
• M25: 20,629,846 km (0.084 R)
• M26: 21,429,596 km (0.102 R)
• M27: 23,161,790 km (0.063 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 9.4

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.52 AU - 6.52 AU

Year: 8648 Days

Day: 6.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,761,999 km

• M1: 162,463 km (0.105 R)
• M2: 678,277 km (0.117 R)
• M3: 1,196,933 km (0.107 R)
• M4: 2,011,792 km (0.073 R)
• M5: 3,202,292 km (0.101 R)
• M6: 4,897,385 km (0.1 R)
• M7: 6,895,564 km (0.079 R)
• M8: 7,509,065 km (0.074 R)
• M9: 8,626,561 km (0.103 R)
• M10: 11,396,067 km (0.095 R)
• M11: 12,642,217 km (0.071 R)
• M12: 13,153,842 km (0.061 R)
• M13: 15,339,317 km (0.062 R)
• M14: 25,963,907 km (0.096 R)
• M15: 26,605,533 km (0.055 R)
• M16: 27,540,370 km (0.103 R)
• M17: 29,773,267 km (0.083 R)
• M18: 38,835,009 km (0.098 R)
• M19: 39,916,003 km (0.073 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 10,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit