🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 12.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.2 AU - 1.28 AU

Year: 937 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,216,370 km

• M1: 159,172 km (0.068 R)
• M2: 661,073 km (0.094 R)
• M3: 1,080,845 km (0.105 R)
• M4: 1,636,451 km (0.053 R)
• M5: 2,241,724 km (0.101 R)
• M6: 2,769,505 km (0.07 R)
• M7: 3,175,664 km (0.057 R)
• M8: 3,607,253 km (0.057 R)
• M9: 6,092,373 km (0.092 R)
• M10: 7,246,371 km (0.097 R)
• M11: 9,723,712 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 12.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.55 AU

Year: 1076 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,216,370 km

• M1: 150,495 km (0.108 R)
• M2: 562,787 km (0.052 R)
• M3: 988,393 km (0.077 R)
• M4: 1,464,563 km (0.119 R)
• M5: 2,076,418 km (0.081 R)
• M6: 2,821,715 km (0.114 R)
• M7: 3,328,403 km (0.111 R)
• M8: 4,223,597 km (0.073 R)
• M9: 4,781,597 km (0.091 R)
• M10: 5,223,808 km (0.12 R)
• M11: 6,100,152 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 11.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.62 AU - 2.18 AU

Year: 1776 Days

Day: 6.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,216,370 km

• M1: 177,722 km (0.11 R)
• M2: 550,520 km (0.072 R)
• M3: 1,882,988 km (0.095 R)
• M4: 2,266,857 km (0.083 R)
• M5: 4,080,432 km (0.071 R)
• M6: 5,601,692 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 12.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.27 AU - 3.23 AU

Year: 3093 Days

Day: 14 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,216,370 km

• M1: 156,779 km (0.059 R)
• M2: 600,935 km (0.064 R)
• M3: 1,183,020 km (0.092 R)
• M4: 1,620,594 km (0.108 R)
• M5: 4,842,932 km (0.12 R)
• M6: 8,784,985 km (0.098 R)
• M7: 9,766,647 km (0.055 R)
• M8: 11,238,989 km (0.097 R)
• M9: 13,109,561 km (0.096 R)
• M10: 15,179,546 km (0.079 R)
• M11: 15,753,553 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 8.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.88 AU - 4.66 AU

Year: 5985 Days

Day: 13.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,216,370 km

• M1: 106,962 km (0.045 R)
• M2: 576,550 km (0.119 R)
• M3: 1,920,537 km (0.106 R)
• M4: 2,514,890 km (0.095 R)
• M5: 2,953,660 km (0.096 R)
• M6: 3,424,295 km (0.113 R)
• M7: 4,560,192 km (0.104 R)
• M8: 5,513,280 km (0.113 R)
• M9: 5,929,611 km (0.09 R)
• M10: 6,451,109 km (0.099 R)
• M11: 7,305,762 km (0.073 R)
• M12: 7,937,813 km (0.116 R)
• M13: 8,640,175 km (0.078 R)
• M14: 9,059,797 km (0.045 R)
• M15: 9,714,736 km (0.095 R)
• M16: 10,361,747 km (0.032 R)
• M17: 11,200,393 km (0.117 R)
• M18: 12,126,703 km (0.081 R)
• M19: 14,714,147 km (0.112 R)
• M20: 19,370,979 km (0.078 R)
• M21: 19,969,221 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.3

Radius: 3

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.46 AU - 7.4 AU

Year: 11059 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,216,370 km

• M1: 37,250 km (0.075 R)
• M2: 266,284 km (0.062 R)
• M3: 433,983 km (0.116 R)
• M4: 928,404 km (0.104 R)
• M5: 1,129,913 km (0.09 R)
• M6: 2,040,216 km (0.061 R)
• M7: 2,598,216 km (0.112 R)
• M8: 2,997,044 km (0.09 R)
• M9: 5,059,250 km (0.11 R)
• M10: 9,625,426 km (0.091 R)
• M11: 9,792,976 km (0.082 R)
• M12: 11,576,182 km (0.112 R)
• M13: 13,304,337 km (0.081 R)
• M14: 20,941,159 km (0.101 R)
• M15: 21,363,922 km (0.038 R)
• M16: 24,328,803 km (0.113 R)
• M17: 26,642,034 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.1

Radius: 6.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.79 AU - 10.67 AU

Year: 20585 Days

Day: 23.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,216,370 km

• M1: 83,326 km (0.037 R)
• M2: 485,894 km (0.081 R)
• M3: 798,853 km (0.116 R)
• M4: 1,790,238 km (0.12 R)
• M5: 2,028,846 km (0.058 R)
• M6: 2,786,410 km (0.102 R)
• M7: 3,061,072 km (0.083 R)
• M8: 4,876,442 km (0.113 R)
• M9: 6,770,201 km (0.086 R)
• M10: 7,570,251 km (0.057 R)
• M11: 8,244,937 km (0.051 R)
• M12: 10,784,959 km (0.045 R)
• M13: 13,033,266 km (0.09 R)
• M14: 13,869,219 km (0.112 R)
• M15: 17,959,823 km (0.111 R)
• M16: 18,671,609 km (0.076 R)
• M17: 20,405,449 km (0.033 R)
• M18: 21,974,730 km (0.092 R)
• M19: 27,266,007 km (0.12 R)
• M20: 48,103,345 km (0.105 R)
• M21: 50,713,678 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 11,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit