🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 9.1

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 251 Days

Day: 11 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,289,771 km

• M1: 113,096 km (0.119 R)
• M2: 399,127 km (0.097 R)
• M3: 712,834 km (0.098 R)
• M4: 1,152,352 km (0.108 R)
• M5: 1,499,419 km (0.071 R)
• M6: 1,990,400 km (0.087 R)
• M7: 2,307,547 km (0.034 R)
• M8: 3,085,606 km (0.111 R)
• M9: 3,413,674 km (0.091 R)
• M10: 4,203,251 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 8.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.82 AU - 1.36 AU

Year: 786 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,289,771 km

• M1: 111,600 km (0.079 R)
• M2: 410,796 km (0.086 R)
• M3: 715,227 km (0.07 R)
• M4: 1,006,794 km (0.104 R)
• M5: 1,420,282 km (0.105 R)
• M6: 2,067,443 km (0.117 R)
• M7: 2,499,332 km (0.054 R)
• M8: 3,168,034 km (0.117 R)
• M9: 3,812,352 km (0.098 R)
• M10: 5,878,149 km (0.03 R)
• M11: 6,351,327 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 12.2

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.08 AU - 1.52 AU

Year: 1023 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,289,771 km

• M1: 151,842 km (0.104 R)
• M2: 541,245 km (0.085 R)
• M3: 921,373 km (0.086 R)
• M4: 1,348,475 km (0.093 R)
• M5: 1,745,358 km (0.073 R)
• M6: 2,333,278 km (0.072 R)
• M7: 2,879,161 km (0.086 R)
• M8: 3,454,514 km (0.107 R)
• M9: 4,420,467 km (0.047 R)
• M10: 5,064,038 km (0.026 R)
• M11: 5,692,049 km (0.115 R)
• M12: 6,602,502 km (0.094 R)
• M13: 8,307,619 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.1

Radius: 11.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.2 AU - 4.26 AU

Year: 4972 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,289,771 km

• M1: 148,251 km (0.055 R)
• M2: 605,123 km (0.061 R)
• M3: 1,091,017 km (0.088 R)
• M4: 1,603,390 km (0.049 R)
• M5: 1,974,991 km (0.102 R)
• M6: 2,813,637 km (0.079 R)
• M7: 3,361,913 km (0.036 R)
• M8: 6,045,100 km (0.039 R)
• M9: 6,448,416 km (0.104 R)
• M10: 8,315,398 km (0.093 R)
• M11: 10,274,382 km (0.092 R)
• M12: 10,934,557 km (0.07 R)
• M13: 15,560,273 km (0.063 R)
• M14: 17,740,512 km (0.082 R)
• M15: 22,836,863 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.2

Radius: 4.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.45 AU - 6.85 AU

Year: 9270 Days

Day: 24.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,289,771 km

• M1: 73,153 km (0.093 R)
• M2: 233,672 km (0.09 R)
• M3: 756,816 km (0.108 R)
• M4: 935,286 km (0.099 R)
• M5: 1,236,426 km (0.105 R)
• M6: 1,870,123 km (0.075 R)
• M7: 2,455,350 km (0.082 R)
• M8: 3,682,052 km (0.102 R)
• M9: 4,404,161 km (0.117 R)
• M10: 5,561,899 km (0.088 R)
• M11: 5,922,879 km (0.095 R)
• M12: 9,086,575 km (0.028 R)
• M13: 14,943,930 km (0.06 R)
• M14: 15,531,550 km (0.092 R)
• M15: 16,526,226 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.8

Radius: 6.2

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.31 AU - 8.35 AU

Year: 12321 Days

Day: 24.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,289,771 km

• M1: 2,129,974 km (0.095 R)
• M2: 3,081,417 km (0.094 R)
• M3: 3,864,711 km (0.051 R)
• M4: 4,126,508 km (0.07 R)
• M5: 4,427,947 km (0.055 R)
• M6: 5,617,101 km (0.036 R)
• M7: 6,232,098 km (0.097 R)
• M8: 7,082,113 km (0.072 R)
• M9: 8,389,897 km (0.114 R)
• M10: 9,424,217 km (0.084 R)
• M11: 9,851,169 km (0.09 R)
• M12: 11,961,098 km (0.116 R)
• M13: 12,237,405 km (0.105 R)
• M14: 15,240,133 km (0.041 R)
• M15: 17,826,681 km (0.109 R)
• M16: 26,465,210 km (0.104 R)
• M17: 28,769,765 km (0.061 R)
• M18: 33,010,266 km (0.11 R)
• M19: 35,222,220 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.2

Radius: 3.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.97 AU - 10.63 AU

Year: 18019 Days

Day: 19.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,289,771 km

• M1: 93,199 km (0.058 R)
• M2: 376,388 km (0.05 R)
• M3: 501,302 km (0.083 R)
• M4: 647,759 km (0.119 R)
• M5: 1,225,805 km (0.058 R)
• M6: 2,406,581 km (0.092 R)
• M7: 2,674,810 km (0.07 R)
• M8: 4,936,281 km (0.096 R)
• M9: 8,753,271 km (0.06 R)
• M10: 13,721,416 km (0.087 R)
• M11: 17,330,016 km (0.057 R)
• M12: 19,105,144 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 16,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit