🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 11

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 14.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,714,276 km

• M1: 136,732 km (0.097 R)
• M2: 565,779 km (0.116 R)
• M3: 1,013,974 km (0.049 R)
• M4: 1,529,788 km (0.066 R)
• M5: 1,995,935 km (0.077 R)
• M6: 2,436,052 km (0.089 R)
• M7: 3,008,413 km (0.11 R)
• M8: 3,579,877 km (0.113 R)
• M9: 4,063,976 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 10.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 14.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 93.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,714,276 km

• M1: 129,402 km (0.032 R)
• M2: 636,689 km (0.073 R)
• M3: 986,748 km (0.084 R)
• M4: 1,409,362 km (0.112 R)
• M5: 1,760,917 km (0.076 R)
• M6: 2,164,382 km (0.113 R)
• M7: 2,570,690 km (0.102 R)
• M8: 3,009,460 km (0.098 R)
• M9: 3,375,826 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 14.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.55 AU - 0.67 AU

Year: 329 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,714,276 km

• M1: 182,958 km (0.109 R)
• M2: 671,096 km (0.103 R)
• M3: 1,170,603 km (0.081 R)
• M4: 1,976,487 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 9.3

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.85 AU - 1.17 AU

Year: 701 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,714,276 km

• M1: 116,836 km (0.034 R)
• M2: 463,155 km (0.063 R)
• M3: 756,666 km (0.079 R)
• M4: 1,057,208 km (0.094 R)
• M5: 1,586,635 km (0.095 R)
• M6: 2,102,748 km (0.094 R)
• M7: 2,588,642 km (0.106 R)
• M8: 2,994,800 km (0.116 R)
• M9: 3,333,639 km (0.091 R)
• M10: 3,771,362 km (0.108 R)
• M11: 4,262,941 km (0.097 R)
• M12: 4,574,703 km (0.087 R)
• M13: 6,475,194 km (0.079 R)
• M14: 6,910,524 km (0.092 R)
• M15: 7,296,038 km (0.117 R)
• M16: 8,284,730 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 14.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.6 AU - 4.02 AU

Year: 4157 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,714,276 km

• M1: 183,407 km (0.091 R)
• M2: 850,165 km (0.073 R)
• M3: 1,559,707 km (0.048 R)
• M4: 2,306,949 km (0.055 R)
• M5: 2,833,234 km (0.103 R)
• M6: 3,304,168 km (0.08 R)
• M7: 4,110,351 km (0.093 R)
• M8: 5,252,980 km (0.113 R)
• M9: 8,635,986 km (0.096 R)
• M10: 10,003,310 km (0.119 R)
• M11: 11,465,630 km (0.116 R)
• M12: 12,628,603 km (0.034 R)
• M13: 14,387,426 km (0.108 R)
• M14: 15,573,587 km (0.091 R)
• M15: 16,882,269 km (0.088 R)
• M16: 18,017,867 km (0.105 R)
• M17: 21,661,622 km (0.118 R)
• M18: 26,476,280 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 14,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit