🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 9.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.86 AU - 1.1 AU

Year: 658 Days

Day: 13 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,695,172 km

• M1: 135,236 km (0.097 R)
• M2: 451,486 km (0.11 R)
• M3: 774,468 km (0.073 R)
• M4: 1,596,957 km (0.071 R)
• M5: 2,088,237 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.7

Radius: 9.7

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.98 AU - 1.36 AU

Year: 858 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,695,172 km

• M1: 121,025 km (0.115 R)
• M2: 476,170 km (0.078 R)
• M3: 853,755 km (0.117 R)
• M4: 1,433,148 km (0.052 R)
• M5: 1,746,705 km (0.102 R)
• M6: 2,320,562 km (0.101 R)
• M7: 2,757,837 km (0.11 R)
• M8: 3,236,251 km (0.06 R)
• M9: 3,828,658 km (0.115 R)
• M10: 4,246,635 km (0.102 R)
• M11: 5,083,186 km (0.105 R)
• M12: 6,273,536 km (0.063 R)
• M13: 6,967,820 km (0.059 R)
• M14: 7,568,904 km (0.063 R)
• M15: 8,330,357 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 10.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.37 AU - 3.19 AU

Year: 3144 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,695,172 km

• M1: 133,740 km (0.101 R)
• M2: 513,121 km (0.089 R)
• M3: 971,638 km (0.108 R)
• M4: 1,390,811 km (0.058 R)
• M5: 2,003,415 km (0.11 R)
• M6: 2,899,057 km (0.091 R)
• M7: 3,650,786 km (0.083 R)
• M8: 4,144,609 km (0.107 R)
• M9: 4,637,983 km (0.052 R)
• M10: 6,138,449 km (0.041 R)
• M11: 6,468,163 km (0.088 R)
• M12: 8,634,191 km (0.104 R)
• M13: 9,440,822 km (0.117 R)
• M14: 11,285,514 km (0.076 R)
• M15: 11,950,476 km (0.116 R)
• M16: 12,597,487 km (0.088 R)
• M17: 13,131,701 km (0.094 R)
• M18: 14,055,767 km (0.077 R)
• M19: 15,022,618 km (0.067 R)
• M20: 15,674,416 km (0.053 R)
• M21: 17,196,275 km (0.114 R)
• M22: 17,743,355 km (0.11 R)
• M23: 18,757,030 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 14.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.17 AU - 5.17 AU

Year: 5776 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,695,172 km

• M1: 180,415 km (0.099 R)
• M2: 778,208 km (0.105 R)
• M3: 1,329,327 km (0.101 R)
• M4: 1,995,187 km (0.034 R)
• M5: 5,303,993 km (0.096 R)
• M6: 6,354,618 km (0.117 R)
• M7: 7,070,444 km (0.106 R)
• M8: 7,953,670 km (0.091 R)
• M9: 8,868,012 km (0.026 R)
• M10: 10,074,669 km (0.073 R)
• M11: 12,707,442 km (0.105 R)
• M12: 15,228,315 km (0.042 R)
• M13: 16,701,405 km (0.092 R)
• M14: 17,407,657 km (0.075 R)
• M15: 19,435,007 km (0.06 R)
• M16: 20,945,048 km (0.089 R)
• M17: 23,236,140 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 10

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.69 AU - 4.93 AU

Year: 7155 Days

Day: 9.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,695,172 km

• M1: 124,316 km (0.116 R)
• M2: 605,871 km (0.071 R)
• M3: 1,481,917 km (0.102 R)
• M4: 2,353,474 km (0.073 R)
• M5: 2,829,644 km (0.105 R)
• M6: 3,256,147 km (0.09 R)
• M7: 4,374,391 km (0.12 R)
• M8: 4,862,080 km (0.082 R)
• M9: 6,940,144 km (0.116 R)
• M10: 8,011,564 km (0.109 R)
• M11: 8,649,150 km (0.095 R)
• M12: 10,338,559 km (0.091 R)
• M13: 10,694,004 km (0.108 R)
• M14: 11,771,258 km (0.098 R)
• M15: 12,837,741 km (0.094 R)

Asteroid Belt

Center: 6.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.5

Radius: 4.1

Gravity: 53.75 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.23 AU - 7.57 AU

Year: 13653 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,695,172 km

• M1: 53,706 km (0.099 R)
• M2: 310,864 km (0.084 R)
• M3: 480,508 km (0.049 R)
• M4: 684,560 km (0.039 R)
• M5: 1,187,209 km (0.119 R)
• M6: 2,249,653 km (0.107 R)
• M7: 3,944,896 km (0.12 R)
• M8: 4,473,874 km (0.086 R)
• M9: 5,048,479 km (0.062 R)
• M10: 7,022,872 km (0.116 R)
• M11: 9,088,071 km (0.087 R)
• M12: 9,566,485 km (0.066 R)
• M13: 23,383,942 km (0.078 R)
• M14: 23,581,112 km (0.065 R)
• M15: 26,888,721 km (0.066 R)
• M16: 36,880,213 km (0.097 R)
• M17: 39,470,949 km (0.1 R)
• M18: 50,553,010 km (0.105 R)
• M19: 53,060,869 km (0.112 R)
• M20: 57,961,994 km (0.079 R)
• M21: 60,151,658 km (0.112 R)
• M22: 61,454,057 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 18,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit