🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.1

Radius: 12.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,183,483 km

• M1: 159,172 km (0.092 R)
• M2: 560,394 km (0.069 R)
• M3: 1,055,263 km (0.057 R)
• M4: 1,473,090 km (0.079 R)
• M5: 2,235,890 km (0.12 R)
• M6: 2,747,066 km (0.118 R)
• M7: 3,436,263 km (0.089 R)
• M8: 4,238,108 km (0.066 R)
• M9: 4,711,884 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 14.2

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,183,483 km

• M1: 176,525 km (0.113 R)
• M2: 701,764 km (0.095 R)
• M3: 1,152,053 km (0.096 R)
• M4: 1,860,848 km (0.087 R)
• M5: 2,420,793 km (0.114 R)
• M6: 3,062,867 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.4

Radius: 13.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.71 AU - 1.11 AU

Year: 589 Days

Day: 6.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,183,483 km

• M1: 172,935 km (0.079 R)
• M2: 608,863 km (0.112 R)
• M3: 1,418,038 km (0.095 R)
• M4: 2,203,726 km (0.083 R)
• M5: 2,756,790 km (0.09 R)
• M6: 3,594,986 km (0.09 R)
• M7: 4,337,889 km (0.048 R)
• M8: 4,915,786 km (0.114 R)
• M9: 5,615,904 km (0.104 R)
• M10: 6,284,756 km (0.052 R)
• M11: 7,237,395 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 9.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.48 AU - 3.22 AU

Year: 3263 Days

Day: 15 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,183,483 km

• M1: 121,623 km (0.117 R)
• M2: 441,164 km (0.086 R)
• M3: 752,926 km (0.101 R)
• M4: 1,109,418 km (0.106 R)
• M5: 1,791,734 km (0.107 R)
• M6: 2,139,848 km (0.073 R)
• M7: 2,578,319 km (0.052 R)
• M8: 3,127,343 km (0.105 R)
• M9: 3,772,260 km (0.05 R)
• M10: 4,481,354 km (0.111 R)
• M11: 6,163,283 km (0.069 R)
• M12: 6,527,404 km (0.119 R)
• M13: 7,579,825 km (0.106 R)
• M14: 8,706,895 km (0.118 R)
• M15: 9,904,127 km (0.1 R)
• M16: 11,003,372 km (0.071 R)
• M17: 14,590,729 km (0.08 R)
• M18: 16,487,032 km (0.047 R)
• M19: 18,027,291 km (0.089 R)
• M20: 19,066,847 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.86 AU - 5.64 AU

Year: 7022 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,183,483 km

• M1: 149,598 km (0.11 R)
• M2: 783,294 km (0.093 R)
• M3: 1,421,180 km (0.077 R)
• M4: 2,055,624 km (0.09 R)
• M5: 2,589,090 km (0.119 R)
• M6: 3,232,511 km (0.083 R)
• M7: 5,487,848 km (0.118 R)
• M8: 6,341,304 km (0.1 R)
• M9: 7,513,254 km (0.063 R)
• M10: 10,660,943 km (0.097 R)
• M11: 13,773,326 km (0.111 R)
• M12: 16,175,569 km (0.1 R)
• M13: 17,684,413 km (0.094 R)
• M14: 20,382,560 km (0.062 R)
• M15: 21,521,299 km (0.098 R)
• M16: 22,071,670 km (0.079 R)
• M17: 24,814,846 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 10.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.92 AU - 5.22 AU

Year: 7743 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,183,483 km

• M1: 135,685 km (0.112 R)
• M2: 475,572 km (0.049 R)
• M3: 819,647 km (0.049 R)
• M4: 1,364,632 km (0.116 R)
• M5: 1,786,049 km (0.099 R)
• M6: 2,453,555 km (0.12 R)
• M7: 3,325,261 km (0.108 R)
• M8: 3,820,580 km (0.071 R)
• M9: 7,537,638 km (0.045 R)
• M10: 8,395,732 km (0.111 R)
• M11: 15,153,666 km (0.117 R)
• M12: 15,664,094 km (0.113 R)
• M13: 18,390,665 km (0.06 R)
• M14: 20,632,838 km (0.105 R)
• M15: 23,387,533 km (0.098 R)
• M16: 25,653,192 km (0.099 R)
• M17: 29,320,135 km (0.113 R)
• M18: 33,109,001 km (0.082 R)
• M19: 35,958,840 km (0.075 R)
• M20: 39,206,610 km (0.062 R)
• M21: 41,147,642 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.7

Radius: 5.5

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.58 AU - 8.96 AU

Year: 13295 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,183,483 km

• M1: 68,516 km (0.109 R)
• M2: 1,643,482 km (0.084 R)
• M3: 2,129,376 km (0.091 R)
• M4: 4,137,728 km (0.045 R)
• M5: 8,265,881 km (0.11 R)
• M6: 9,447,255 km (0.107 R)
• M7: 10,217,086 km (0.113 R)
• M8: 10,451,356 km (0.09 R)
• M9: 14,467,012 km (0.068 R)
• M10: 17,272,869 km (0.113 R)
• M11: 17,538,555 km (0.071 R)
• M12: 19,190,415 km (0.07 R)
• M13: 19,763,375 km (0.114 R)
• M14: 25,700,465 km (0.113 R)
• M15: 33,955,725 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 12,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit