🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.8

Radius: 14.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.64 AU - 0.84 AU

Year: 418 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,972,721 km

• M1: 179,069 km (0.118 R)
• M2: 728,691 km (0.111 R)
• M3: 1,265,000 km (0.096 R)
• M4: 1,977,833 km (0.117 R)
• M5: 2,577,571 km (0.109 R)
• M6: 3,450,624 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 11.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.9 AU - 1.44 AU

Year: 830 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,972,721 km

• M1: 139,276 km (0.104 R)
• M2: 521,199 km (0.114 R)
• M3: 1,217,128 km (0.108 R)
• M4: 1,569,282 km (0.075 R)
• M5: 2,725,374 km (0.116 R)
• M6: 3,300,877 km (0.054 R)
• M7: 3,747,875 km (0.117 R)
• M8: 4,187,693 km (0.118 R)
• M9: 5,117,444 km (0.052 R)
• M10: 5,602,440 km (0.107 R)
• M11: 6,686,726 km (0.065 R)
• M12: 7,085,254 km (0.071 R)
• M13: 7,593,887 km (0.109 R)
• M14: 8,201,254 km (0.099 R)
• M15: 8,840,785 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 13.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.14 AU - 1.62 AU

Year: 1063 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,972,721 km

• M1: 166,652 km (0.06 R)
• M2: 618,288 km (0.112 R)
• M3: 1,196,633 km (0.1 R)
• M4: 1,694,794 km (0.072 R)
• M5: 2,567,399 km (0.072 R)
• M6: 3,692,823 km (0.068 R)
• M7: 4,638,731 km (0.064 R)
• M8: 7,348,247 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.8

Radius: 13.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.18 AU - 3.08 AU

Year: 2798 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,972,721 km

• M1: 166,652 km (0.119 R)
• M2: 732,282 km (0.094 R)
• M3: 1,250,339 km (0.062 R)
• M4: 1,937,143 km (0.082 R)
• M5: 2,450,114 km (0.03 R)
• M6: 3,194,962 km (0.096 R)
• M7: 4,422,861 km (0.106 R)
• M8: 5,245,500 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272

Radius: 12.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.41 AU - 3.53 AU

Year: 3358 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,972,721 km

• M1: 153,188 km (0.098 R)
• M2: 985,551 km (0.119 R)
• M3: 1,492,837 km (0.101 R)
• M4: 2,185,176 km (0.072 R)
• M5: 2,897,412 km (0.106 R)
• M6: 4,309,615 km (0.102 R)
• M7: 5,863,489 km (0.07 R)
• M8: 6,291,638 km (0.08 R)
• M9: 6,822,112 km (0.091 R)
• M10: 9,350,615 km (0.088 R)
• M11: 9,901,584 km (0.112 R)
• M12: 10,843,452 km (0.11 R)
• M13: 11,490,762 km (0.086 R)
• M14: 12,448,637 km (0.112 R)
• M15: 14,797,473 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.8

Radius: 13.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.56 AU - 4.96 AU

Year: 6813 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,972,721 km

• M1: 169,195 km (0.119 R)
• M2: 628,311 km (0.064 R)
• M3: 3,551,154 km (0.093 R)
• M4: 4,817,500 km (0.114 R)
• M5: 5,704,765 km (0.073 R)
• M6: 6,497,484 km (0.117 R)
• M7: 7,218,995 km (0.12 R)
• M8: 11,657,414 km (0.107 R)
• M9: 14,134,156 km (0.115 R)
• M10: 15,525,865 km (0.118 R)
• M11: 17,134,491 km (0.034 R)
• M12: 17,716,577 km (0.086 R)
• M13: 22,243,259 km (0.093 R)
• M14: 24,527,917 km (0.112 R)
• M15: 26,705,464 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.2

Radius: 7.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.2 AU - 7.58 AU

Year: 10596 Days

Day: 21.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,972,721 km

• M1: 94,845 km (0.115 R)
• M2: 522,994 km (0.094 R)
• M3: 1,084,435 km (0.046 R)
• M4: 1,345,483 km (0.055 R)
• M5: 1,597,406 km (0.068 R)
• M6: 2,166,626 km (0.098 R)
• M7: 2,622,451 km (0.112 R)
• M8: 3,079,921 km (0.111 R)
• M9: 3,500,740 km (0.113 R)
• M10: 4,968,893 km (0.106 R)
• M11: 5,518,516 km (0.103 R)
• M12: 6,237,334 km (0.107 R)
• M13: 6,535,033 km (0.117 R)
• M14: 7,448,927 km (0.088 R)
• M15: 8,013,360 km (0.067 R)
• M16: 8,809,968 km (0.113 R)
• M17: 10,375,360 km (0.109 R)
• M18: 10,653,164 km (0.115 R)
• M19: 11,031,347 km (0.118 R)
• M20: 11,320,819 km (0.095 R)
• M21: 12,322,676 km (0.106 R)
• M22: 13,327,973 km (0.097 R)
• M23: 15,380,905 km (0.113 R)
• M24: 16,671,187 km (0.093 R)
• M25: 18,910,816 km (0.051 R)
• M26: 19,186,974 km (0.111 R)
• M27: 19,676,458 km (0.116 R)
• M28: 27,609,185 km (0.101 R)
• M29: 32,668,585 km (0.083 R)
• M30: 33,467,138 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit