🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 13.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.96 AU - 1.46 AU

Year: 903 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,619,117 km

• M1: 169,345 km (0.095 R)
• M2: 615,894 km (0.047 R)
• M3: 1,487,601 km (0.073 R)
• M4: 2,001,470 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.1

Radius: 12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.35 AU - 2.03 AU

Year: 1490 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,619,117 km

• M1: 150,795 km (0.087 R)
• M2: 641,775 km (0.102 R)
• M3: 1,312,123 km (0.076 R)
• M4: 1,708,408 km (0.084 R)
• M5: 2,728,964 km (0.116 R)
• M6: 3,107,148 km (0.067 R)
• M7: 3,643,307 km (0.106 R)
• M8: 4,209,983 km (0.108 R)
• M9: 5,303,245 km (0.099 R)
• M10: 5,801,705 km (0.116 R)
• M11: 6,351,477 km (0.112 R)
• M12: 6,786,507 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 14.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.93 AU - 5.93 AU

Year: 8582 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,619,117 km

• M1: 177,872 km (0.098 R)
• M2: 1,209,648 km (0.042 R)
• M3: 1,741,618 km (0.039 R)
• M4: 2,592,830 km (0.106 R)
• M5: 3,146,791 km (0.112 R)
• M6: 3,731,420 km (0.102 R)
• M7: 4,633,345 km (0.118 R)
• M8: 5,091,863 km (0.091 R)
• M9: 5,935,296 km (0.075 R)
• M10: 6,443,031 km (0.091 R)
• M11: 7,624,106 km (0.117 R)
• M12: 8,307,918 km (0.094 R)
• M13: 10,221,723 km (0.116 R)
• M14: 11,104,500 km (0.075 R)
• M15: 12,633,241 km (0.109 R)
• M16: 19,059,218 km (0.114 R)
• M17: 19,646,240 km (0.076 R)
• M18: 20,472,917 km (0.097 R)
• M19: 24,183,842 km (0.107 R)
• M20: 25,485,194 km (0.104 R)
• M21: 26,924,026 km (0.091 R)
• M22: 30,958,531 km (0.036 R)
• M23: 31,566,048 km (0.094 R)
• M24: 33,224,939 km (0.106 R)
• M25: 36,155,262 km (0.117 R)
• M26: 36,716,254 km (0.103 R)
• M27: 38,434,087 km (0.111 R)
• M28: 39,846,440 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.4

Radius: 5.7

Gravity: 22.76 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.53 AU - 6.85 AU

Year: 10445 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,619,117 km

• M1: 73,004 km (0.086 R)
• M2: 255,513 km (0.12 R)
• M3: 451,486 km (0.092 R)
• M4: 685,906 km (0.12 R)
• M5: 1,742,815 km (0.075 R)
• M6: 2,164,681 km (0.111 R)
• M7: 2,801,071 km (0.094 R)
• M8: 3,023,523 km (0.108 R)
• M9: 3,478,749 km (0.09 R)
• M10: 3,815,942 km (0.084 R)
• M11: 6,127,678 km (0.102 R)
• M12: 12,293,654 km (0.094 R)
• M13: 17,113,398 km (0.094 R)
• M14: 20,972,275 km (0.12 R)
• M15: 25,278,151 km (0.106 R)
• M16: 25,854,701 km (0.12 R)
• M17: 31,333,424 km (0.099 R)
• M18: 34,283,793 km (0.03 R)
• M19: 35,227,456 km (0.12 R)
• M20: 36,553,342 km (0.025 R)
• M21: 42,593,655 km (0.084 R)
• M22: 47,646,473 km (0.067 R)
• M23: 49,714,664 km (0.094 R)
• M24: 50,014,907 km (0.05 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit