🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 11.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.65 AU - 0.87 AU

Year: 457 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,304,517 km

• M1: 140,622 km (0.109 R)
• M2: 539,749 km (0.087 R)
• M3: 1,058,854 km (0.098 R)
• M4: 1,428,809 km (0.105 R)
• M5: 2,002,068 km (0.106 R)
• M6: 2,561,564 km (0.102 R)
• M7: 2,925,237 km (0.107 R)
• M8: 3,425,791 km (0.094 R)
• M9: 3,970,327 km (0.069 R)
• M10: 4,557,798 km (0.114 R)
• M11: 5,005,994 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 12.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.9 AU - 1.18 AU

Year: 732 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,304,517 km

• M1: 153,039 km (0.093 R)
• M2: 536,159 km (0.113 R)
• M3: 936,782 km (0.069 R)
• M4: 1,324,689 km (0.119 R)
• M5: 2,484,222 km (0.103 R)
• M6: 3,790,361 km (0.063 R)
• M7: 4,244,989 km (0.098 R)
• M8: 4,751,228 km (0.094 R)
• M9: 5,362,485 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 14

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.93 AU - 1.21 AU

Year: 764 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,304,517 km

• M1: 174,581 km (0.068 R)
• M2: 668,104 km (0.118 R)
• M3: 1,182,422 km (0.098 R)
• M4: 2,305,303 km (0.06 R)
• M5: 3,174,616 km (0.097 R)
• M6: 4,317,245 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 10.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.05 AU - 1.69 AU

Year: 1107 Days

Day: 5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,304,517 km

• M1: 135,087 km (0.084 R)
• M2: 517,459 km (0.051 R)
• M3: 1,156,242 km (0.104 R)
• M4: 1,570,628 km (0.045 R)
• M5: 1,918,144 km (0.098 R)
• M6: 2,825,455 km (0.12 R)
• M7: 3,199,450 km (0.033 R)
• M8: 4,526,084 km (0.106 R)
• M9: 5,241,760 km (0.12 R)
• M10: 6,031,038 km (0.039 R)
• M11: 7,246,820 km (0.043 R)
• M12: 7,980,149 km (0.075 R)
• M13: 11,008,608 km (0.09 R)
• M14: 11,590,394 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 14.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.43 AU - 2.05 AU

Year: 1584 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,304,517 km

• M1: 175,329 km (0.077 R)
• M2: 702,811 km (0.115 R)
• M3: 1,243,757 km (0.055 R)
• M4: 1,888,823 km (0.081 R)
• M5: 3,012,752 km (0.041 R)
• M6: 3,666,345 km (0.07 R)
• M7: 4,230,927 km (0.114 R)
• M8: 4,972,932 km (0.11 R)
• M9: 5,667,366 km (0.094 R)
• M10: 6,142,339 km (0.061 R)
• M11: 7,757,398 km (0.071 R)
• M12: 8,961,511 km (0.052 R)
• M13: 10,024,853 km (0.061 R)
• M14: 11,417,010 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.5

Radius: 8.1

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.34 AU - 3.42 AU

Year: 3374 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,304,517 km

• M1: 100,679 km (0.097 R)
• M2: 464,801 km (0.092 R)
• M3: 1,131,558 km (0.104 R)
• M4: 1,453,493 km (0.085 R)
• M5: 3,031,451 km (0.096 R)
• M6: 3,700,902 km (0.068 R)
• M7: 4,350,156 km (0.082 R)
• M8: 5,873,512 km (0.098 R)
• M9: 6,158,346 km (0.12 R)
• M10: 6,973,804 km (0.054 R)
• M11: 7,825,165 km (0.088 R)
• M12: 8,205,593 km (0.067 R)
• M13: 8,670,992 km (0.073 R)
• M14: 9,812,274 km (0.077 R)
• M15: 10,419,043 km (0.093 R)
• M16: 10,752,796 km (0.1 R)
• M17: 11,932,076 km (0.097 R)
• M18: 13,292,369 km (0.06 R)
• M19: 15,121,054 km (0.082 R)
• M20: 15,875,625 km (0.109 R)
• M21: 16,939,266 km (0.09 R)
• M22: 20,806,820 km (0.117 R)
• M23: 22,423,075 km (0.049 R)
• M24: 22,909,867 km (0.117 R)
• M25: 23,545,957 km (0.075 R)
• M26: 24,485,581 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 9.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.63 AU - 6.09 AU

Year: 8566 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,304,517 km

• M1: 121,773 km (0.074 R)
• M2: 538,702 km (0.073 R)
• M3: 1,675,347 km (0.117 R)
• M4: 1,983,967 km (0.07 R)
• M5: 5,064,636 km (0.078 R)
• M6: 6,754,493 km (0.066 R)
• M7: 10,122,989 km (0.076 R)
• M8: 12,020,189 km (0.12 R)
• M9: 12,820,986 km (0.116 R)
• M10: 13,234,624 km (0.114 R)
• M11: 16,932,684 km (0.07 R)
• M12: 17,305,332 km (0.086 R)
• M13: 18,983,970 km (0.083 R)
• M14: 19,589,542 km (0.108 R)
• M15: 21,339,538 km (0.108 R)
• M16: 29,119,375 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.4

Radius: 4

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.69 AU - 10.85 AU

Year: 19482 Days

Day: 18.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,304,517 km

• M1: 49,816 km (0.094 R)
• M2: 198,068 km (0.077 R)
• M3: 350,957 km (0.115 R)
• M4: 517,459 km (0.105 R)
• M5: 1,549,984 km (0.051 R)
• M6: 2,655,362 km (0.101 R)
• M7: 4,325,323 km (0.052 R)
• M8: 5,991,544 km (0.044 R)
• M9: 7,491,562 km (0.025 R)
• M10: 7,809,757 km (0.106 R)
• M11: 9,590,570 km (0.113 R)
• M12: 10,239,525 km (0.072 R)
• M13: 10,518,525 km (0.075 R)
• M14: 12,236,956 km (0.114 R)
• M15: 12,678,270 km (0.07 R)
• M16: 14,689,913 km (0.07 R)
• M17: 17,215,723 km (0.114 R)
• M18: 18,498,674 km (0.106 R)
• M19: 22,074,363 km (0.103 R)
• M20: 23,780,078 km (0.068 R)
• M21: 25,065,123 km (0.119 R)
• M22: 27,025,603 km (0.097 R)
• M23: 31,015,977 km (0.064 R)
• M24: 31,482,273 km (0.064 R)
• M25: 31,717,142 km (0.03 R)
• M26: 35,635,559 km (0.108 R)
• M27: 36,404,492 km (0.117 R)
• M28: 38,375,145 km (0.095 R)
• M29: 38,777,563 km (0.119 R)
• M30: 50,899,329 km (0.116 R)
• M31: 52,365,987 km (0.101 R)
• M32: 54,028,468 km (0.041 R)
• M33: 55,725,805 km (0.037 R)
• M34: 58,337,934 km (0.116 R)
• M35: 58,869,904 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 15,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit