🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 9.8

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.63 AU - 2.03 AU

Year: 1651 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,438,030 km

• M1: 122,221 km (0.083 R)
• M2: 463,155 km (0.066 R)
• M3: 770,579 km (0.068 R)
• M4: 1,230,293 km (0.085 R)
• M5: 1,953,449 km (0.119 R)
• M6: 2,311,138 km (0.033 R)
• M7: 3,175,514 km (0.089 R)
• M8: 3,589,900 km (0.043 R)
• M9: 4,076,392 km (0.104 R)
• M10: 5,897,298 km (0.081 R)
• M11: 6,779,327 km (0.088 R)
• M12: 8,060,184 km (0.107 R)
• M13: 9,113,951 km (0.089 R)
• M14: 9,431,398 km (0.055 R)
• M15: 10,987,515 km (0.028 R)
• M16: 11,939,256 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.9

Radius: 11.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.12 AU - 3.42 AU

Year: 3943 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,438,030 km

• M1: 143,016 km (0.113 R)
• M2: 877,691 km (0.101 R)
• M3: 1,253,929 km (0.109 R)
• M4: 1,627,026 km (0.057 R)
• M5: 2,484,671 km (0.118 R)
• M6: 2,947,377 km (0.106 R)
• M7: 3,602,018 km (0.075 R)
• M8: 4,351,353 km (0.073 R)
• M9: 8,493,120 km (0.103 R)
• M10: 9,935,393 km (0.108 R)
• M11: 11,278,333 km (0.054 R)
• M12: 11,795,493 km (0.08 R)
• M13: 12,923,760 km (0.099 R)
• M14: 14,221,821 km (0.116 R)
• M15: 16,139,217 km (0.116 R)
• M16: 18,755,983 km (0.095 R)
• M17: 19,482,729 km (0.112 R)
• M18: 21,316,350 km (0.112 R)
• M19: 22,987,209 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.3

Radius: 14.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.72 AU - 5 AU

Year: 7145 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,438,030 km

• M1: 180,714 km (0.074 R)
• M2: 648,656 km (0.061 R)
• M3: 1,314,217 km (0.118 R)
• M4: 1,763,759 km (0.049 R)
• M5: 2,467,617 km (0.07 R)
• M6: 3,132,131 km (0.111 R)
• M7: 4,239,903 km (0.057 R)
• M8: 5,097,248 km (0.077 R)
• M9: 5,813,972 km (0.118 R)
• M10: 6,627,485 km (0.103 R)
• M11: 8,058,089 km (0.073 R)
• M12: 8,772,868 km (0.103 R)
• M13: 9,725,507 km (0.094 R)
• M14: 11,524,272 km (0.089 R)
• M15: 11,972,617 km (0.117 R)
• M16: 14,807,796 km (0.12 R)
• M17: 18,004,553 km (0.087 R)
• M18: 20,245,977 km (0.028 R)
• M19: 21,976,376 km (0.041 R)
• M20: 22,667,668 km (0.117 R)
• M21: 24,093,635 km (0.031 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.7

Radius: 3.3

Gravity: 32.02 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.1 AU - 9.8 AU

Year: 19372 Days

Day: 19.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,438,030 km

• M1: 46,076 km (0.094 R)
• M2: 317,895 km (0.115 R)
• M3: 639,980 km (0.061 R)
• M4: 904,469 km (0.102 R)
• M5: 1,345,782 km (0.116 R)
• M6: 1,613,862 km (0.111 R)
• M7: 3,731,868 km (0.072 R)
• M8: 4,571,412 km (0.086 R)
• M9: 5,940,083 km (0.061 R)
• M10: 7,604,957 km (0.067 R)
• M11: 8,939,670 km (0.082 R)
• M12: 9,142,225 km (0.107 R)
• M13: 9,768,591 km (0.084 R)
• M14: 11,878,969 km (0.034 R)
• M15: 16,973,374 km (0.109 R)
• M16: 17,284,089 km (0.096 R)
• M17: 17,519,556 km (0.079 R)
• M18: 18,157,890 km (0.051 R)
• M19: 25,316,148 km (0.088 R)
• M20: 28,681,951 km (0.1 R)
• M21: 29,011,964 km (0.101 R)
• M22: 29,791,967 km (0.119 R)
• M23: 31,626,935 km (0.081 R)
• M24: 36,412,571 km (0.087 R)
• M25: 40,959,747 km (0.053 R)
• M26: 43,513,383 km (0.108 R)
• M27: 52,624,941 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.6

Radius: 7.4

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.62 AU - 12.32 AU

Year: 24229 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,438,030 km

• M1: 102,923 km (0.093 R)
• M2: 404,662 km (0.091 R)
• M3: 1,259,016 km (0.077 R)
• M4: 1,749,098 km (0.087 R)
• M5: 2,293,186 km (0.119 R)
• M6: 3,078,275 km (0.114 R)
• M7: 4,063,527 km (0.073 R)
• M8: 4,399,823 km (0.073 R)
• M9: 6,020,267 km (0.103 R)
• M10: 6,548,198 km (0.053 R)
• M11: 13,717,676 km (0.09 R)
• M12: 14,944,079 km (0.092 R)
• M13: 15,828,652 km (0.072 R)
• M14: 16,747,482 km (0.115 R)
• M15: 18,599,802 km (0.106 R)
• M16: 21,176,476 km (0.094 R)
• M17: 22,394,652 km (0.114 R)
• M18: 27,026,052 km (0.036 R)
• M19: 36,526,115 km (0.108 R)
• M20: 39,470,800 km (0.106 R)
• M21: 44,998,441 km (0.099 R)
• M22: 45,329,052 km (0.114 R)
• M23: 47,006,493 km (0.092 R)
• M24: 56,208,558 km (0.118 R)
• M25: 61,128,383 km (0.106 R)
• M26: 72,039,603 km (0.08 R)
• M27: 72,946,465 km (0.047 R)
• M28: 76,885,826 km (0.109 R)
• M29: 78,070,940 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 19,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit