🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.3

Radius: 11.1

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.49 AU - 0.77 AU

Year: 339 Days

Day: 9.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,680,468 km

• M1: 138,827 km (0.055 R)
• M2: 496,665 km (0.057 R)
• M3: 1,174,194 km (0.026 R)
• M4: 1,560,904 km (0.109 R)
• M5: 2,033,484 km (0.112 R)
• M6: 2,421,840 km (0.058 R)
• M7: 2,964,431 km (0.097 R)
• M8: 3,502,834 km (0.06 R)
• M9: 3,922,905 km (0.101 R)
• M10: 4,717,868 km (0.114 R)
• M11: 5,247,594 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 12.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.78 AU

Year: 364 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,680,468 km

• M1: 155,731 km (0.107 R)
• M2: 573,259 km (0.111 R)
• M3: 1,144,573 km (0.089 R)
• M4: 1,621,192 km (0.077 R)
• M5: 2,128,778 km (0.057 R)
• M6: 2,589,090 km (0.112 R)
• M7: 3,115,824 km (0.053 R)
• M8: 4,210,881 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 14.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.91 AU - 2.95 AU

Year: 3402 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,680,468 km

• M1: 181,612 km (0.056 R)
• M2: 675,734 km (0.106 R)
• M3: 1,181,075 km (0.049 R)
• M4: 1,638,097 km (0.09 R)
• M5: 2,106,787 km (0.039 R)
• M6: 2,603,003 km (0.117 R)
• M7: 3,070,347 km (0.111 R)
• M8: 4,516,958 km (0.11 R)
• M9: 6,090,429 km (0.098 R)
• M10: 12,990,780 km (0.07 R)
• M11: 15,367,890 km (0.104 R)
• M12: 15,854,382 km (0.106 R)
• M13: 16,350,898 km (0.075 R)
• M14: 16,858,034 km (0.074 R)
• M15: 17,433,687 km (0.082 R)
• M16: 18,082,044 km (0.116 R)
• M17: 19,615,572 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 9.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.1 AU - 5.26 AU

Year: 7996 Days

Day: 10.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,680,468 km

• M1: 116,986 km (0.1 R)
• M2: 721,810 km (0.104 R)
• M3: 1,186,311 km (0.102 R)
• M4: 1,542,653 km (0.118 R)
• M5: 1,856,510 km (0.091 R)
• M6: 2,375,465 km (0.069 R)
• M7: 4,125,760 km (0.085 R)
• M8: 6,275,182 km (0.048 R)
• M9: 7,228,120 km (0.068 R)
• M10: 9,333,710 km (0.083 R)
• M11: 9,720,720 km (0.1 R)
• M12: 10,343,945 km (0.073 R)
• M13: 12,221,099 km (0.118 R)
• M14: 14,714,447 km (0.067 R)
• M15: 15,121,502 km (0.079 R)
• M16: 15,776,442 km (0.084 R)
• M17: 17,986,302 km (0.077 R)
• M18: 20,323,320 km (0.098 R)
• M19: 20,683,252 km (0.112 R)
• M20: 22,014,523 km (0.094 R)
• M21: 23,088,786 km (0.12 R)
• M22: 26,778,468 km (0.093 R)
• M23: 27,648,828 km (0.074 R)
• M24: 31,510,847 km (0.056 R)
• M25: 33,370,498 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 3.2

Gravity: 54.66 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.21 AU - 6.37 AU

Year: 9450 Days

Day: 19.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,680,468 km

• M1: 76,744 km (0.09 R)
• M2: 550,819 km (0.053 R)
• M3: 888,312 km (0.096 R)
• M4: 996,322 km (0.045 R)
• M5: 1,794,726 km (0.096 R)
• M6: 3,712,271 km (0.08 R)
• M7: 4,100,777 km (0.108 R)
• M8: 4,718,766 km (0.039 R)
• M9: 5,860,048 km (0.115 R)
• M10: 6,494,492 km (0.079 R)
• M11: 7,018,683 km (0.088 R)
• M12: 9,970,399 km (0.114 R)
• M13: 10,215,440 km (0.092 R)
• M14: 10,615,615 km (0.099 R)
• M15: 13,535,765 km (0.054 R)
• M16: 16,198,308 km (0.081 R)
• M17: 17,227,840 km (0.113 R)
• M18: 23,810,147 km (0.097 R)
• M19: 25,501,051 km (0.088 R)
• M20: 33,500,947 km (0.112 R)
• M21: 39,264,953 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.2

Radius: 4.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.5 AU - 7.18 AU

Year: 9572 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,680,468 km

• M1: 58,942 km (0.117 R)
• M2: 235,766 km (0.079 R)
• M3: 391,498 km (0.053 R)
• M4: 875,297 km (0.115 R)
• M5: 1,637,049 km (0.029 R)
• M6: 2,048,593 km (0.055 R)
• M7: 4,561,239 km (0.069 R)
• M8: 6,354,768 km (0.061 R)
• M9: 6,500,626 km (0.045 R)
• M10: 6,951,514 km (0.085 R)
• M11: 8,221,301 km (0.09 R)
• M12: 9,297,807 km (0.053 R)
• M13: 9,869,720 km (0.075 R)
• M14: 10,916,157 km (0.095 R)
• M15: 11,252,453 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 15,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit