🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.17 AU - 1.35 AU

Year: 527 Days

Day: 37.8 Hours

Environment

Temp: -18 °C

Axial Tilt: 45.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 14.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.89 AU - 10.79 AU

Year: 9798 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,079,513 km

• M1: 180,864 km (0.053 R)
• M2: 671,844 km (0.039 R)
• M3: 1,130,810 km (0.071 R)
• M4: 1,978,731 km (0.102 R)
• M5: 2,563,509 km (0.115 R)
• M6: 3,101,613 km (0.108 R)
• M7: 3,581,822 km (0.11 R)
• M8: 4,409,098 km (0.118 R)
• M9: 5,131,805 km (0.049 R)
• M10: 5,747,700 km (0.104 R)
• M11: 6,347,138 km (0.103 R)
• M12: 7,972,968 km (0.093 R)
• M13: 8,479,357 km (0.1 R)
• M14: 9,385,471 km (0.115 R)
• M15: 9,906,371 km (0.099 R)
• M16: 16,733,719 km (0.032 R)
• M17: 20,883,115 km (0.076 R)
• M18: 24,678,562 km (0.1 R)
• M19: 32,807,411 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 12.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.44 AU - 12.44 AU

Year: 13489 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,079,513 km

• M1: 150,645 km (0.114 R)
• M2: 628,610 km (0.106 R)
• M3: 1,107,473 km (0.093 R)
• M4: 1,506,451 km (0.115 R)
• M5: 3,474,859 km (0.092 R)
• M6: 4,188,740 km (0.11 R)
• M7: 5,375,500 km (0.075 R)
• M8: 6,117,805 km (0.072 R)
• M9: 7,974,165 km (0.113 R)
• M10: 8,894,491 km (0.113 R)
• M11: 10,584,199 km (0.119 R)
• M12: 11,051,244 km (0.066 R)
• M13: 12,535,853 km (0.118 R)
• M14: 13,356,098 km (0.103 R)
• M15: 13,779,460 km (0.05 R)
• M16: 15,038,625 km (0.034 R)
• M17: 17,353,353 km (0.114 R)
• M18: 18,446,465 km (0.1 R)
• M19: 21,012,068 km (0.099 R)
• M20: 21,585,477 km (0.098 R)
• M21: 23,021,616 km (0.101 R)
• M22: 23,984,129 km (0.068 R)
• M23: 24,882,315 km (0.05 R)
• M24: 31,488,257 km (0.068 R)
• M25: 33,666,253 km (0.104 R)
• M26: 35,479,529 km (0.09 R)
• M27: 36,881,560 km (0.099 R)
• M28: 39,053,571 km (0.052 R)
• M29: 40,296,281 km (0.117 R)
• M30: 44,989,316 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.4

Radius: 3.5

Gravity: 51.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 15.14 AU - 18.7 AU

Year: 25945 Days

Day: 17.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,079,513 km

• M1: 45,029 km (0.101 R)
• M2: 163,959 km (0.032 R)
• M3: 894,296 km (0.111 R)
• M4: 1,230,293 km (0.076 R)
• M5: 1,419,085 km (0.118 R)
• M6: 3,236,101 km (0.075 R)
• M7: 4,254,414 km (0.099 R)
• M8: 7,645,498 km (0.094 R)
• M9: 9,300,799 km (0.118 R)
• M10: 21,640,080 km (0.106 R)
• M11: 23,447,671 km (0.073 R)
• M12: 24,444,292 km (0.057 R)
• M13: 30,369,415 km (0.097 R)
• M14: 42,792,770 km (0.119 R)
• M15: 50,199,660 km (0.092 R)
• M16: 58,416,173 km (0.068 R)
• M17: 70,400,010 km (0.102 R)
• M18: 72,004,148 km (0.105 R)
• M19: 73,632,521 km (0.068 R)
• M20: 76,962,569 km (0.103 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit