🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.7

Radius: 11

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.58 AU - 0.94 AU

Year: 442 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,383,489 km

• M1: 143,764 km (0.118 R)
• M2: 693,835 km (0.111 R)
• M3: 1,128,267 km (0.055 R)
• M4: 1,494,184 km (0.087 R)
• M5: 1,895,555 km (0.093 R)
• M6: 3,234,007 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 14.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.82 AU - 0.84 AU

Year: 504 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,383,489 km

• M1: 181,462 km (0.04 R)
• M2: 771,626 km (0.075 R)
• M3: 1,545,496 km (0.109 R)
• M4: 2,114,566 km (0.071 R)
• M5: 3,127,942 km (0.095 R)
• M6: 3,928,440 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 12.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.71 AU - 1.01 AU

Year: 532 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,383,489 km

• M1: 154,834 km (0.096 R)
• M2: 549,024 km (0.102 R)
• M3: 1,319,902 km (0.084 R)
• M4: 2,762,474 km (0.065 R)
• M5: 3,380,164 km (0.08 R)
• M6: 4,246,934 km (0.104 R)
• M7: 5,179,228 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 13

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.8 AU - 0.96 AU

Year: 550 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,383,489 km

• M1: 161,715 km (0.104 R)
• M2: 580,589 km (0.042 R)
• M3: 1,002,306 km (0.065 R)
• M4: 1,565,691 km (0.061 R)
• M5: 2,539,873 km (0.066 R)
• M6: 3,112,533 km (0.091 R)
• M7: 3,634,181 km (0.079 R)
• M8: 4,106,611 km (0.073 R)
• M9: 5,576,709 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 8.8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.11 AU - 1.29 AU

Year: 877 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,383,489 km

• M1: 110,254 km (0.065 R)
• M2: 395,836 km (0.099 R)
• M3: 973,134 km (0.045 R)
• M4: 1,330,374 km (0.034 R)
• M5: 2,200,734 km (0.071 R)
• M6: 3,507,322 km (0.054 R)
• M7: 4,869,859 km (0.116 R)
• M8: 8,571,360 km (0.098 R)
• M9: 8,859,485 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.7

Radius: 14.3

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.69 AU - 5.71 AU

Year: 6795 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,383,489 km

• M1: 180,415 km (0.067 R)
• M2: 648,806 km (0.105 R)
• M3: 1,097,600 km (0.087 R)
• M4: 1,565,392 km (0.087 R)
• M5: 2,015,083 km (0.118 R)
• M6: 2,804,661 km (0.081 R)
• M7: 3,945,494 km (0.096 R)
• M8: 5,431,300 km (0.114 R)
• M9: 6,394,112 km (0.064 R)
• M10: 7,994,061 km (0.076 R)
• M11: 8,965,400 km (0.08 R)
• M12: 9,806,290 km (0.104 R)
• M13: 11,233,155 km (0.1 R)
• M14: 11,925,793 km (0.065 R)
• M15: 12,794,507 km (0.092 R)
• M16: 14,282,408 km (0.094 R)
• M17: 14,821,409 km (0.115 R)
• M18: 15,768,812 km (0.083 R)
• M19: 16,461,750 km (0.08 R)
• M20: 17,235,171 km (0.119 R)
• M21: 18,599,054 km (0.113 R)
• M22: 19,112,474 km (0.11 R)
• M23: 20,437,762 km (0.09 R)
• M24: 21,053,656 km (0.09 R)
• M25: 22,829,981 km (0.119 R)
• M26: 25,481,903 km (0.064 R)
• M27: 26,841,598 km (0.106 R)
• M28: 27,332,728 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 13.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.46 AU - 5.14 AU

Year: 7013 Days

Day: 7.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,383,489 km

• M1: 169,345 km (0.037 R)
• M2: 786,137 km (0.037 R)
• M3: 1,870,572 km (0.114 R)
• M4: 2,487,513 km (0.091 R)
• M5: 3,052,395 km (0.081 R)
• M6: 3,866,656 km (0.12 R)
• M7: 6,254,089 km (0.103 R)
• M8: 7,607,201 km (0.078 R)
• M9: 11,081,612 km (0.095 R)
• M10: 13,220,113 km (0.1 R)
• M11: 17,023,340 km (0.098 R)
• M12: 20,297,289 km (0.084 R)
• M13: 23,641,251 km (0.057 R)
• M14: 28,156,114 km (0.102 R)
• M15: 33,835,897 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.6

Radius: 6.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.87 AU - 9.93 AU

Year: 20772 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,383,489 km

• M1: 77,043 km (0.105 R)
• M2: 388,206 km (0.077 R)
• M3: 836,701 km (0.083 R)
• M4: 1,218,026 km (0.072 R)
• M5: 1,696,889 km (0.096 R)
• M6: 2,966,825 km (0.036 R)
• M7: 3,850,500 km (0.076 R)
• M8: 5,322,692 km (0.084 R)
• M9: 5,571,922 km (0.101 R)
• M10: 6,970,214 km (0.114 R)
• M11: 8,326,617 km (0.085 R)
• M12: 13,035,360 km (0.055 R)
• M13: 17,324,630 km (0.079 R)
• M14: 21,970,392 km (0.062 R)
• M15: 24,311,599 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 14,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit