🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 9.5

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.32 AU - 2.12 AU

Year: 1456 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,199,067 km

• M1: 118,781 km (0.064 R)
• M2: 419,772 km (0.105 R)
• M3: 867,219 km (0.045 R)
• M4: 1,379,592 km (0.033 R)
• M5: 2,128,628 km (0.069 R)
• M6: 2,659,252 km (0.114 R)
• M7: 3,230,716 km (0.114 R)
• M8: 3,538,139 km (0.104 R)
• M9: 3,848,405 km (0.044 R)
• M10: 4,831,263 km (0.101 R)
• M11: 5,466,755 km (0.108 R)
• M12: 5,793,626 km (0.092 R)
• M13: 6,273,387 km (0.104 R)
• M14: 7,182,942 km (0.077 R)
• M15: 9,170,948 km (0.071 R)
• M16: 9,951,101 km (0.077 R)
• M17: 10,340,803 km (0.081 R)
• M18: 10,639,849 km (0.093 R)
• M19: 11,571,844 km (0.088 R)
• M20: 11,894,228 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 12.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.21 AU - 3.57 AU

Year: 3172 Days

Day: 12.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,199,067 km

• M1: 150,645 km (0.112 R)
• M2: 564,283 km (0.107 R)
• M3: 1,524,253 km (0.11 R)
• M4: 2,675,259 km (0.115 R)
• M5: 4,528,776 km (0.081 R)
• M6: 5,667,665 km (0.119 R)
• M7: 7,920,010 km (0.045 R)
• M8: 8,356,387 km (0.058 R)
• M9: 9,025,539 km (0.098 R)
• M10: 11,249,161 km (0.1 R)
• M11: 11,876,575 km (0.081 R)
• M12: 13,691,796 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 13.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.03 AU - 4.35 AU

Year: 5538 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,199,067 km

• M1: 170,392 km (0.043 R)
• M2: 619,335 km (0.089 R)
• M3: 1,083,388 km (0.059 R)
• M4: 1,724,415 km (0.078 R)
• M5: 2,372,622 km (0.085 R)
• M6: 2,848,194 km (0.093 R)
• M7: 3,923,952 km (0.051 R)
• M8: 4,414,035 km (0.088 R)
• M9: 6,799,822 km (0.095 R)
• M10: 9,900,537 km (0.091 R)
• M11: 15,641,505 km (0.113 R)
• M12: 18,253,932 km (0.059 R)
• M13: 21,818,401 km (0.079 R)
• M14: 22,738,428 km (0.026 R)
• M15: 24,329,102 km (0.098 R)
• M16: 26,077,751 km (0.058 R)
• M17: 27,730,957 km (0.112 R)
• M18: 31,826,199 km (0.109 R)
• M19: 32,512,853 km (0.07 R)
• M20: 33,009,518 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.9

Radius: 10.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.18 AU - 6.3 AU

Year: 8879 Days

Day: 11.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,199,067 km

• M1: 136,134 km (0.105 R)
• M2: 1,425,219 km (0.091 R)
• M3: 1,847,683 km (0.032 R)
• M4: 2,319,515 km (0.059 R)
• M5: 5,423,970 km (0.093 R)
• M6: 6,330,683 km (0.111 R)
• M7: 10,694,004 km (0.067 R)
• M8: 11,288,805 km (0.053 R)
• M9: 13,149,952 km (0.108 R)
• M10: 19,220,035 km (0.097 R)
• M11: 20,323,619 km (0.102 R)
• M12: 23,143,987 km (0.106 R)
• M13: 25,685,805 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 14.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.64 AU - 6.28 AU

Year: 9395 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,199,067 km

• M1: 182,809 km (0.114 R)
• M2: 1,026,241 km (0.112 R)
• M3: 2,500,528 km (0.043 R)
• M4: 4,079,833 km (0.102 R)
• M5: 4,588,615 km (0.105 R)
• M6: 6,963,781 km (0.111 R)
• M7: 7,949,631 km (0.091 R)
• M8: 10,686,075 km (0.096 R)
• M9: 12,046,369 km (0.096 R)
• M10: 12,743,046 km (0.081 R)
• M11: 14,547,346 km (0.073 R)
• M12: 17,502,801 km (0.09 R)
• M13: 20,416,968 km (0.073 R)
• M14: 27,274,983 km (0.111 R)
• M15: 28,390,534 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.7

Radius: 7.5

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.77 AU - 7.69 AU

Year: 10040 Days

Day: 15.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,199,067 km

• M1: 159,471 km (0.099 R)
• M2: 643,271 km (0.077 R)
• M3: 881,879 km (0.112 R)
• M4: 1,941,631 km (0.086 R)
• M5: 2,971,463 km (0.055 R)
• M6: 5,327,180 km (0.105 R)
• M7: 7,859,124 km (0.073 R)
• M8: 9,020,004 km (0.087 R)
• M9: 9,292,721 km (0.085 R)
• M10: 11,254,547 km (0.086 R)
• M11: 13,834,063 km (0.09 R)
• M12: 14,075,514 km (0.113 R)
• M13: 15,844,958 km (0.041 R)
• M14: 16,511,416 km (0.072 R)
• M15: 17,057,897 km (0.115 R)
• M16: 18,259,168 km (0.047 R)
• M17: 27,142,290 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.9

Radius: 6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.79 AU - 11.31 AU

Year: 22126 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,199,067 km

• M1: 1,062,594 km (0.099 R)
• M2: 1,432,250 km (0.091 R)
• M3: 2,623,797 km (0.09 R)
• M4: 2,884,995 km (0.105 R)
• M5: 3,667,093 km (0.092 R)
• M6: 4,199,661 km (0.114 R)
• M7: 4,484,645 km (0.095 R)
• M8: 11,158,655 km (0.096 R)
• M9: 14,392,063 km (0.036 R)
• M10: 15,316,129 km (0.084 R)
• M11: 18,387,523 km (0.05 R)
• M12: 24,176,961 km (0.082 R)
• M13: 25,714,827 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.2

Radius: 3.1

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 11.16 AU - 11.36 AU

Year: 24396 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,199,067 km

• M1: 146,157 km (0.079 R)
• M2: 503,098 km (0.115 R)
• M3: 1,127,968 km (0.061 R)
• M4: 3,808,163 km (0.085 R)
• M5: 4,167,348 km (0.101 R)
• M6: 5,516,870 km (0.093 R)
• M7: 6,460,234 km (0.055 R)
• M8: 10,657,951 km (0.088 R)
• M9: 14,525,205 km (0.12 R)
• M10: 21,540,448 km (0.115 R)
• M11: 22,849,429 km (0.056 R)
• M12: 26,993,141 km (0.077 R)
• M13: 30,518,414 km (0.093 R)
• M14: 33,069,357 km (0.071 R)
• M15: 33,642,168 km (0.102 R)
• M16: 41,701,005 km (0.101 R)
• M17: 46,244,741 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 14,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit