🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.6

Radius: 12.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,647,754 km

• M1: 153,039 km (0.071 R)
• M2: 613,950 km (0.112 R)
• M3: 1,082,041 km (0.062 R)
• M4: 1,514,080 km (0.088 R)
• M5: 1,903,932 km (0.117 R)
• M6: 2,395,361 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 13.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.3 AU - 1.78 AU

Year: 1296 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,647,754 km

• M1: 171,888 km (0.072 R)
• M2: 800,498 km (0.103 R)
• M3: 1,237,324 km (0.061 R)
• M4: 1,945,969 km (0.058 R)
• M5: 2,552,140 km (0.086 R)
• M6: 3,667,691 km (0.083 R)
• M7: 7,132,826 km (0.089 R)
• M8: 8,099,378 km (0.099 R)
• M9: 10,736,340 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 13.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.66 AU - 2.26 AU

Year: 1861 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,647,754 km

• M1: 164,109 km (0.115 R)
• M2: 626,815 km (0.037 R)
• M3: 1,092,663 km (0.119 R)
• M4: 2,554,234 km (0.048 R)
• M5: 3,565,067 km (0.069 R)
• M6: 4,068,164 km (0.086 R)
• M7: 5,151,552 km (0.059 R)
• M8: 6,601,006 km (0.109 R)
• M9: 7,112,481 km (0.097 R)
• M10: 8,154,580 km (0.05 R)
• M11: 8,936,378 km (0.113 R)
• M12: 9,631,261 km (0.097 R)
• M13: 11,166,583 km (0.103 R)
• M14: 12,131,191 km (0.087 R)
• M15: 12,983,749 km (0.098 R)
• M16: 13,832,418 km (0.084 R)
• M17: 15,220,686 km (0.064 R)
• M18: 16,068,307 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.9

Radius: 13.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.04 AU - 3.56 AU

Year: 4066 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,647,754 km

• M1: 170,392 km (0.098 R)
• M2: 658,979 km (0.083 R)
• M3: 1,440,627 km (0.12 R)
• M4: 2,297,524 km (0.05 R)
• M5: 2,950,070 km (0.077 R)
• M6: 3,472,466 km (0.057 R)
• M7: 4,241,997 km (0.08 R)
• M8: 5,176,236 km (0.03 R)
• M9: 5,649,713 km (0.083 R)
• M10: 6,243,617 km (0.027 R)
• M11: 7,145,243 km (0.093 R)
• M12: 8,774,065 km (0.102 R)
• M13: 10,074,669 km (0.041 R)
• M14: 11,453,811 km (0.036 R)
• M15: 12,261,789 km (0.103 R)
• M16: 15,138,108 km (0.106 R)
• M17: 16,228,676 km (0.101 R)
• M18: 17,432,640 km (0.106 R)
• M19: 18,119,743 km (0.094 R)
• M20: 19,151,220 km (0.118 R)
• M21: 19,950,372 km (0.118 R)
• M22: 20,564,172 km (0.114 R)
• M23: 21,331,460 km (0.094 R)
• M24: 28,003,973 km (0.117 R)
• M25: 28,515,598 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 14.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.31 AU - 3.31 AU

Year: 4084 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,647,754 km

• M1: 176,825 km (0.082 R)
• M2: 1,264,252 km (0.07 R)
• M3: 1,874,761 km (0.103 R)
• M4: 3,030,105 km (0.112 R)
• M5: 4,455,623 km (0.112 R)
• M6: 5,052,518 km (0.09 R)
• M7: 6,827,497 km (0.071 R)
• M8: 11,054,086 km (0.117 R)
• M9: 13,371,357 km (0.118 R)
• M10: 14,110,670 km (0.117 R)
• M11: 15,138,557 km (0.097 R)
• M12: 16,215,811 km (0.108 R)
• M13: 16,717,113 km (0.099 R)
• M14: 17,926,911 km (0.115 R)
• M15: 20,976,165 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 8.5

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.93 AU - 3.87 AU

Year: 4252 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,647,754 km

• M1: 105,766 km (0.079 R)
• M2: 391,647 km (0.117 R)
• M3: 792,719 km (0.087 R)
• M4: 1,143,227 km (0.067 R)
• M5: 1,742,666 km (0.081 R)
• M6: 2,408,675 km (0.118 R)
• M7: 3,026,066 km (0.092 R)
• M8: 6,216,689 km (0.086 R)
• M9: 9,014,468 km (0.104 R)
• M10: 9,734,333 km (0.106 R)
• M11: 10,320,308 km (0.083 R)
• M12: 11,107,941 km (0.114 R)
• M13: 13,505,995 km (0.116 R)
• M14: 14,825,747 km (0.087 R)
• M15: 17,233,226 km (0.108 R)
• M16: 18,028,339 km (0.052 R)
• M17: 19,625,745 km (0.061 R)
• M18: 20,156,219 km (0.05 R)
• M19: 26,639,491 km (0.088 R)
• M20: 27,454,201 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 12.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.96 AU - 4.2 AU

Year: 4594 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,647,754 km

• M1: 153,487 km (0.118 R)
• M2: 1,069,475 km (0.053 R)
• M3: 1,641,986 km (0.08 R)
• M4: 2,143,737 km (0.083 R)
• M5: 3,112,085 km (0.111 R)
• M6: 4,792,517 km (0.09 R)
• M7: 5,717,930 km (0.097 R)
• M8: 6,318,565 km (0.092 R)
• M9: 7,037,832 km (0.116 R)
• M10: 8,034,154 km (0.12 R)
• M11: 8,699,415 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 15

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.05 AU - 4.55 AU

Year: 5024 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,647,754 km

• M1: 186,549 km (0.042 R)
• M2: 681,717 km (0.097 R)
• M3: 1,427,762 km (0.116 R)
• M4: 2,102,448 km (0.083 R)
• M5: 2,599,413 km (0.083 R)
• M6: 4,147,900 km (0.105 R)
• M7: 5,160,827 km (0.032 R)
• M8: 7,611,839 km (0.066 R)
• M9: 8,278,297 km (0.112 R)
• M10: 9,614,356 km (0.118 R)
• M11: 10,116,556 km (0.072 R)
• M12: 11,470,866 km (0.118 R)
• M13: 11,992,214 km (0.104 R)
• M14: 12,942,909 km (0.051 R)
• M15: 14,139,542 km (0.118 R)
• M16: 14,638,451 km (0.084 R)
• M17: 16,260,241 km (0.108 R)

Asteroid Belt

Center: 6.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.4

Radius: 4.5

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.51 AU - 10.95 AU

Year: 19019 Days

Day: 15.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 151.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,647,754 km

• M1: 56,099 km (0.056 R)
• M2: 360,980 km (0.093 R)
• M3: 531,222 km (0.05 R)
• M4: 827,575 km (0.1 R)
• M5: 1,062,893 km (0.115 R)
• M6: 1,548,637 km (0.056 R)
• M7: 2,639,355 km (0.096 R)
• M8: 4,078,337 km (0.106 R)
• M9: 5,546,790 km (0.083 R)
• M10: 16,531,761 km (0.049 R)
• M11: 27,342,751 km (0.09 R)
• M12: 28,463,987 km (0.06 R)
• M13: 43,432,151 km (0.117 R)
• M14: 45,096,727 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 19,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit