🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 10.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.68 AU - 1.1 AU

Year: 542 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,054,864 km

• M1: 134,339 km (0.064 R)
• M2: 529,876 km (0.067 R)
• M3: 894,745 km (0.089 R)
• M4: 2,173,956 km (0.104 R)
• M5: 2,943,936 km (0.076 R)
• M6: 3,548,162 km (0.075 R)
• M7: 4,400,421 km (0.072 R)
• M8: 5,223,509 km (0.069 R)
• M9: 5,781,808 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 12.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.15 AU - 1.31 AU

Year: 881 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 100.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,054,864 km

• M1: 154,235 km (0.107 R)
• M2: 740,509 km (0.071 R)
• M3: 1,236,726 km (0.063 R)
• M4: 1,678,189 km (0.082 R)
• M5: 2,069,387 km (0.057 R)
• M6: 2,767,860 km (0.086 R)
• M7: 3,685,194 km (0.103 R)
• M8: 4,479,559 km (0.03 R)
• M9: 4,876,891 km (0.099 R)
• M10: 5,367,272 km (0.12 R)
• M11: 7,103,505 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.4

Radius: 10

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.13 AU - 1.59 AU

Year: 1024 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 10,054,864 km

• M1: 124,316 km (0.075 R)
• M2: 436,078 km (0.077 R)
• M3: 877,092 km (0.109 R)
• M4: 1,209,499 km (0.056 R)
• M5: 1,530,237 km (0.071 R)
• M6: 2,371,276 km (0.058 R)
• M7: 2,932,717 km (0.09 R)
• M8: 3,831,949 km (0.082 R)
• M9: 4,158,821 km (0.101 R)
• M10: 4,658,478 km (0.108 R)
• M11: 5,444,016 km (0.063 R)
• M12: 5,778,068 km (0.082 R)
• M13: 6,146,677 km (0.109 R)
• M14: 7,277,338 km (0.083 R)
• M15: 8,752,223 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 13.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.45 AU - 1.73 AU

Year: 1295 Days

Day: 8.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,054,864 km

• M1: 165,455 km (0.088 R)
• M2: 766,988 km (0.116 R)
• M3: 1,444,966 km (0.12 R)
• M4: 1,878,800 km (0.052 R)
• M5: 2,703,832 km (0.12 R)
• M6: 3,276,493 km (0.059 R)
• M7: 3,835,689 km (0.101 R)
• M8: 4,372,297 km (0.043 R)
• M9: 5,281,403 km (0.088 R)
• M10: 5,926,918 km (0.063 R)
• M11: 7,303,518 km (0.045 R)
• M12: 9,191,293 km (0.105 R)
• M13: 10,067,039 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 9

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.5 AU - 1.78 AU

Year: 1356 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 10,054,864 km

• M1: 117,883 km (0.104 R)
• M2: 498,460 km (0.062 R)
• M3: 1,043,894 km (0.074 R)
• M4: 1,481,468 km (0.073 R)
• M5: 1,887,177 km (0.044 R)
• M6: 2,465,822 km (0.081 R)
• M7: 2,797,181 km (0.088 R)
• M8: 3,249,565 km (0.102 R)
• M9: 3,992,468 km (0.093 R)
• M10: 4,645,313 km (0.11 R)
• M11: 5,367,422 km (0.071 R)
• M12: 6,625,839 km (0.092 R)
• M13: 7,458,651 km (0.092 R)
• M14: 8,214,269 km (0.12 R)
• M15: 8,625,664 km (0.078 R)
• M16: 9,143,721 km (0.087 R)
• M17: 9,682,273 km (0.098 R)
• M18: 10,512,542 km (0.05 R)
• M19: 11,570,647 km (0.108 R)
• M20: 12,013,307 km (0.113 R)
• M21: 12,971,482 km (0.066 R)
• M22: 13,530,080 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 14.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.26 AU - 3.54 AU

Year: 4048 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 10,054,864 km

• M1: 177,722 km (0.114 R)
• M2: 1,793,080 km (0.034 R)
• M3: 2,580,114 km (0.088 R)
• M4: 3,027,562 km (0.057 R)
• M5: 3,840,776 km (0.086 R)
• M6: 4,334,598 km (0.111 R)
• M7: 4,921,920 km (0.042 R)
• M8: 5,990,198 km (0.104 R)
• M9: 7,476,902 km (0.047 R)
• M10: 12,231,122 km (0.097 R)
• M11: 14,716,242 km (0.095 R)
• M12: 15,317,326 km (0.099 R)
• M13: 17,400,327 km (0.063 R)
• M14: 26,419,732 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 12.4

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.72 AU - 5.52 AU

Year: 7480 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 146.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 10,054,864 km

• M1: 168,896 km (0.115 R)
• M2: 887,714 km (0.055 R)
• M3: 1,506,600 km (0.038 R)
• M4: 5,185,361 km (0.062 R)
• M5: 7,763,681 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 10,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit