🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.5

Radius: 9.9

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.73 AU - 0.81 AU

Year: 443 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,792,976 km

• M1: 123,717 km (0.027 R)
• M2: 637,885 km (0.1 R)
• M3: 954,285 km (0.07 R)
• M4: 1,353,861 km (0.085 R)
• M5: 2,061,907 km (0.112 R)
• M6: 2,413,313 km (0.1 R)
• M7: 2,794,339 km (0.11 R)
• M8: 3,203,788 km (0.09 R)
• M9: 3,653,030 km (0.029 R)
• M10: 4,633,495 km (0.039 R)
• M11: 5,506,698 km (0.115 R)
• M12: 5,973,892 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.1

Radius: 14.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.79 AU - 3.33 AU

Year: 3511 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,792,976 km

• M1: 181,761 km (0.076 R)
• M2: 647,011 km (0.112 R)
• M3: 1,238,072 km (0.034 R)
• M4: 1,774,829 km (0.09 R)
• M5: 2,354,670 km (0.076 R)
• M6: 3,179,703 km (0.116 R)
• M7: 4,190,984 km (0.071 R)
• M8: 4,922,967 km (0.091 R)
• M9: 5,482,612 km (0.109 R)
• M10: 8,361,175 km (0.117 R)
• M11: 9,089,716 km (0.098 R)
• M12: 9,710,099 km (0.116 R)
• M13: 10,995,443 km (0.053 R)
• M14: 12,882,022 km (0.061 R)
• M15: 15,228,016 km (0.111 R)
• M16: 16,851,901 km (0.116 R)
• M17: 17,399,579 km (0.055 R)
• M18: 18,186,464 km (0.104 R)
• M19: 19,710,417 km (0.107 R)
• M20: 21,254,716 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 9.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.7 AU - 4.08 AU

Year: 5033 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,792,976 km

• M1: 118,781 km (0.038 R)
• M2: 641,027 km (0.068 R)
• M3: 1,189,602 km (0.085 R)
• M4: 1,618,649 km (0.075 R)
• M5: 2,055,325 km (0.093 R)
• M6: 2,631,726 km (0.08 R)
• M7: 3,774,504 km (0.109 R)
• M8: 4,828,122 km (0.057 R)
• M9: 7,126,543 km (0.082 R)
• M10: 8,619,081 km (0.076 R)
• M11: 9,761,710 km (0.095 R)
• M12: 10,919,448 km (0.058 R)
• M13: 12,345,415 km (0.091 R)
• M14: 14,087,482 km (0.084 R)
• M15: 14,991,651 km (0.055 R)
• M16: 15,405,738 km (0.12 R)
• M17: 18,818,664 km (0.091 R)
• M18: 19,179,345 km (0.06 R)
• M19: 19,667,632 km (0.073 R)
• M20: 20,226,679 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.1

Radius: 4.2

Gravity: 53.58 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.56 AU - 8.28 AU

Year: 13259 Days

Day: 24.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,792,976 km

• M1: 52,210 km (0.113 R)
• M2: 187,147 km (0.071 R)
• M3: 320,738 km (0.119 R)
• M4: 453,132 km (0.068 R)
• M5: 691,741 km (0.112 R)
• M6: 998,566 km (0.097 R)
• M7: 1,434,793 km (0.075 R)
• M8: 1,621,641 km (0.059 R)
• M9: 1,824,645 km (0.115 R)
• M10: 2,160,941 km (0.075 R)
• M11: 3,104,904 km (0.055 R)
• M12: 3,695,965 km (0.066 R)
• M13: 4,170,639 km (0.111 R)
• M14: 5,097,547 km (0.108 R)
• M15: 6,034,329 km (0.073 R)
• M16: 7,036,336 km (0.099 R)
• M17: 7,716,109 km (0.097 R)
• M18: 8,193,027 km (0.061 R)
• M19: 9,961,573 km (0.088 R)
• M20: 11,413,869 km (0.091 R)
• M21: 12,095,437 km (0.1 R)
• M22: 12,285,875 km (0.113 R)
• M23: 20,197,059 km (0.059 R)
• M24: 23,871,482 km (0.114 R)
• M25: 26,340,744 km (0.06 R)
• M26: 27,856,919 km (0.039 R)
• M27: 34,888,019 km (0.1 R)
• M28: 35,793,385 km (0.102 R)
• M29: 36,449,671 km (0.082 R)
• M30: 38,057,100 km (0.098 R)
• M31: 40,982,935 km (0.109 R)
• M32: 41,845,666 km (0.112 R)
• M33: 50,488,833 km (0.11 R)
• M34: 51,148,260 km (0.03 R)
• M35: 52,821,512 km (0.069 R)
• M36: 55,924,770 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.3

Radius: 4.3

Gravity: 29.65 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.53 AU - 11.41 AU

Year: 22224 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,792,976 km

• M1: 56,997 km (0.055 R)
• M2: 289,173 km (0.079 R)
• M3: 556,803 km (0.096 R)
• M4: 816,804 km (0.114 R)
• M5: 999,314 km (0.117 R)
• M6: 1,140,235 km (0.111 R)
• M7: 1,462,918 km (0.09 R)
• M8: 2,160,343 km (0.036 R)
• M9: 3,030,404 km (0.12 R)
• M10: 3,676,218 km (0.095 R)
• M11: 5,585,087 km (0.07 R)
• M12: 6,863,550 km (0.12 R)
• M13: 8,640,773 km (0.113 R)
• M14: 9,924,173 km (0.115 R)
• M15: 10,219,031 km (0.107 R)
• M16: 12,046,069 km (0.104 R)
• M17: 12,381,767 km (0.091 R)
• M18: 12,517,602 km (0.11 R)
• M19: 13,714,086 km (0.106 R)
• M20: 14,907,727 km (0.052 R)
• M21: 17,160,521 km (0.064 R)
• M22: 20,282,779 km (0.104 R)
• M23: 20,662,009 km (0.112 R)
• M24: 29,760,252 km (0.074 R)
• M25: 32,006,016 km (0.089 R)
• M26: 33,564,526 km (0.103 R)
• M27: 34,631,009 km (0.107 R)
• M28: 36,134,169 km (0.056 R)
• M29: 46,239,505 km (0.054 R)
• M30: 62,760,944 km (0.083 R)
• M31: 63,768,037 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 18,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit