🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 8.9

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.68 AU - 1 AU

Year: 497 Days

Day: 12 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,529,101 km

• M1: 110,702 km (0.088 R)
• M2: 404,213 km (0.036 R)
• M3: 734,077 km (0.071 R)
• M4: 1,158,486 km (0.067 R)
• M5: 1,462,918 km (0.041 R)
• M6: 1,757,476 km (0.049 R)
• M7: 2,591,035 km (0.118 R)
• M8: 2,969,967 km (0.066 R)
• M9: 3,348,748 km (0.08 R)
• M10: 3,908,244 km (0.047 R)
• M11: 4,713,231 km (0.1 R)
• M12: 4,999,561 km (0.068 R)
• M13: 5,642,233 km (0.116 R)
• M14: 5,965,514 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 10.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.14 AU - 1.16 AU

Year: 796 Days

Day: 10.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,529,101 km

• M1: 130,749 km (0.079 R)
• M2: 575,952 km (0.103 R)
• M3: 944,860 km (0.116 R)
• M4: 1,460,823 km (0.101 R)
• M5: 1,829,283 km (0.11 R)
• M6: 3,040,577 km (0.118 R)
• M7: 3,722,145 km (0.047 R)
• M8: 4,084,022 km (0.119 R)
• M9: 4,791,919 km (0.071 R)
• M10: 5,426,663 km (0.078 R)
• M11: 6,998,188 km (0.042 R)
• M12: 8,800,693 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 11.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.13 AU - 1.37 AU

Year: 902 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,529,101 km

• M1: 145,559 km (0.064 R)
• M2: 552,465 km (0.049 R)
• M3: 950,545 km (0.032 R)
• M4: 1,347,129 km (0.077 R)
• M5: 1,719,478 km (0.091 R)
• M6: 2,124,439 km (0.055 R)
• M7: 3,411,879 km (0.116 R)
• M8: 3,797,841 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.6

Radius: 14.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.37 AU - 1.63 AU

Year: 1186 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,529,101 km

• M1: 214,673 km (0.078 R)
• M2: 829,221 km (0.106 R)
• M3: 1,300,155 km (0.105 R)
• M4: 1,789,041 km (0.112 R)
• M5: 2,362,450 km (0.098 R)
• M6: 3,105,502 km (0.112 R)
• M7: 4,634,991 km (0.083 R)
• M8: 5,477,526 km (0.105 R)
• M9: 7,163,644 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 13.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.4 AU - 3.04 AU

Year: 2896 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,529,101 km

• M1: 171,888 km (0.12 R)
• M2: 632,350 km (0.078 R)
• M3: 1,435,840 km (0.101 R)
• M4: 2,258,329 km (0.036 R)
• M5: 2,793,890 km (0.094 R)
• M6: 4,493,920 km (0.106 R)
• M7: 4,980,562 km (0.053 R)
• M8: 5,870,669 km (0.037 R)
• M9: 6,311,684 km (0.07 R)
• M10: 8,167,595 km (0.075 R)
• M11: 8,648,552 km (0.109 R)
• M12: 9,185,010 km (0.097 R)
• M13: 12,119,821 km (0.077 R)
• M14: 13,022,345 km (0.099 R)
• M15: 16,160,160 km (0.1 R)
• M16: 17,142,121 km (0.101 R)
• M17: 17,591,214 km (0.111 R)
• M18: 20,079,026 km (0.051 R)
• M19: 20,958,063 km (0.039 R)
• M20: 21,601,484 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 10.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.38 AU - 3.74 AU

Year: 3456 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,529,101 km

• M1: 130,599 km (0.071 R)
• M2: 517,459 km (0.083 R)
• M3: 930,349 km (0.109 R)
• M4: 1,296,714 km (0.111 R)
• M5: 1,921,884 km (0.104 R)
• M6: 2,624,844 km (0.092 R)
• M7: 4,727,143 km (0.075 R)
• M8: 5,301,150 km (0.103 R)
• M9: 6,176,298 km (0.106 R)
• M10: 7,800,332 km (0.092 R)
• M11: 8,423,856 km (0.091 R)
• M12: 9,849,075 km (0.091 R)
• M13: 10,330,930 km (0.109 R)
• M14: 12,142,261 km (0.098 R)
• M15: 18,896,754 km (0.111 R)
• M16: 21,189,641 km (0.108 R)
• M17: 21,589,067 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 14.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.67 AU - 3.77 AU

Year: 3731 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,529,101 km

• M1: 182,809 km (0.045 R)
• M2: 656,435 km (0.1 R)
• M3: 1,606,532 km (0.097 R)
• M4: 2,489,009 km (0.111 R)
• M5: 3,380,313 km (0.094 R)
• M6: 3,931,133 km (0.104 R)
• M7: 4,497,660 km (0.089 R)
• M8: 5,362,934 km (0.067 R)
• M9: 6,308,991 km (0.118 R)
• M10: 7,613,634 km (0.073 R)
• M11: 9,198,623 km (0.102 R)
• M12: 9,785,646 km (0.071 R)
• M13: 10,994,396 km (0.09 R)
• M14: 13,707,952 km (0.115 R)
• M15: 14,622,145 km (0.093 R)
• M16: 15,169,822 km (0.117 R)
• M17: 16,148,043 km (0.106 R)
• M18: 17,222,754 km (0.097 R)
• M19: 18,287,442 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.7

Radius: 13.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.14 AU - 4.36 AU

Year: 4689 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,529,101 km

• M1: 170,392 km (0.108 R)
• M2: 732,581 km (0.107 R)
• M3: 2,351,828 km (0.111 R)
• M4: 3,444,790 km (0.095 R)
• M5: 4,462,654 km (0.1 R)
• M6: 4,933,289 km (0.108 R)
• M7: 6,225,964 km (0.068 R)
• M8: 8,732,477 km (0.074 R)
• M9: 9,686,013 km (0.109 R)
• M10: 12,097,381 km (0.097 R)
• M11: 14,151,360 km (0.119 R)
• M12: 16,987,137 km (0.102 R)
• M13: 17,945,910 km (0.088 R)
• M14: 18,738,779 km (0.102 R)
• M15: 20,394,528 km (0.113 R)
• M16: 22,371,614 km (0.104 R)
• M17: 22,904,481 km (0.095 R)
• M18: 24,715,064 km (0.091 R)
• M19: 28,353,135 km (0.052 R)
• M20: 30,531,729 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 12.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.42 AU - 5.4 AU

Year: 5980 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,529,101 km

• M1: 179,218 km (0.1 R)
• M2: 655,239 km (0.107 R)
• M3: 1,271,133 km (0.105 R)
• M4: 2,130,722 km (0.111 R)
• M5: 2,579,965 km (0.09 R)
• M6: 4,785,037 km (0.119 R)
• M7: 6,223,571 km (0.048 R)
• M8: 6,721,881 km (0.045 R)
• M9: 8,378,977 km (0.106 R)
• M10: 10,374,014 km (0.092 R)
• M11: 13,470,839 km (0.09 R)
• M12: 18,296,418 km (0.11 R)
• M13: 22,424,870 km (0.048 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: 503 - 10,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit