🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 13.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 429 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,811,469 km

• M1: 169,195 km (0.054 R)
• M2: 599,439 km (0.089 R)
• M3: 1,180,178 km (0.102 R)
• M4: 1,611,169 km (0.051 R)
• M5: 2,067,143 km (0.098 R)
• M6: 2,629,781 km (0.08 R)
• M7: 3,563,122 km (0.036 R)
• M8: 4,041,386 km (0.051 R)
• M9: 4,824,831 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.1

Radius: 14.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.33 AU - 1.53 AU

Year: 1202 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,811,469 km

• M1: 181,911 km (0.067 R)
• M2: 659,128 km (0.057 R)
• M3: 1,210,995 km (0.079 R)
• M4: 1,717,084 km (0.058 R)
• M5: 2,445,626 km (0.07 R)
• M6: 3,081,417 km (0.116 R)
• M7: 3,953,722 km (0.101 R)
• M8: 5,333,912 km (0.105 R)
• M9: 6,124,238 km (0.083 R)
• M10: 7,281,976 km (0.114 R)
• M11: 7,965,488 km (0.118 R)
• M12: 8,942,961 km (0.071 R)
• M13: 9,549,430 km (0.103 R)
• M14: 10,526,155 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 12.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.03 AU - 3.11 AU

Year: 2896 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,811,469 km

• M1: 150,495 km (0.07 R)
• M2: 664,813 km (0.1 R)
• M3: 1,340,696 km (0.11 R)
• M4: 1,719,628 km (0.12 R)
• M5: 2,382,795 km (0.105 R)
• M6: 3,086,653 km (0.051 R)
• M7: 3,662,305 km (0.047 R)
• M8: 4,199,661 km (0.114 R)
• M9: 4,789,226 km (0.118 R)
• M10: 5,203,912 km (0.112 R)
• M11: 5,589,874 km (0.103 R)
• M12: 6,022,661 km (0.074 R)
• M13: 7,586,706 km (0.073 R)
• M14: 9,368,716 km (0.097 R)
• M15: 11,287,010 km (0.095 R)
• M16: 17,719,419 km (0.085 R)
• M17: 19,138,355 km (0.032 R)
• M18: 19,627,839 km (0.118 R)
• M19: 20,695,818 km (0.109 R)
• M20: 22,067,930 km (0.053 R)
• M21: 22,878,750 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 9.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.34 AU - 3.44 AU

Year: 3453 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,811,469 km

• M1: 119,379 km (0.119 R)
• M2: 523,593 km (0.061 R)
• M3: 874,250 km (0.118 R)
• M4: 1,187,657 km (0.071 R)
• M5: 1,614,610 km (0.099 R)
• M6: 2,030,492 km (0.04 R)
• M7: 2,809,298 km (0.054 R)
• M8: 6,111,073 km (0.048 R)
• M9: 6,569,291 km (0.072 R)
• M10: 9,914,150 km (0.091 R)
• M11: 10,615,914 km (0.088 R)
• M12: 12,610,951 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 12.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.87 AU - 3.27 AU

Year: 3781 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,811,469 km

• M1: 155,432 km (0.098 R)
• M2: 767,437 km (0.064 R)
• M3: 1,201,570 km (0.115 R)
• M4: 1,931,009 km (0.109 R)
• M5: 2,565,005 km (0.104 R)
• M6: 2,965,927 km (0.103 R)
• M7: 4,972,783 km (0.115 R)
• M8: 5,729,898 km (0.1 R)
• M9: 6,376,011 km (0.115 R)
• M10: 8,028,170 km (0.064 R)
• M11: 9,549,131 km (0.107 R)
• M12: 10,426,224 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 9.4

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.46 AU - 3.68 AU

Year: 4741 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,811,469 km

• M1: 116,986 km (0.085 R)
• M2: 580,589 km (0.079 R)
• M3: 927,806 km (0.114 R)
• M4: 1,404,574 km (0.093 R)
• M5: 1,844,243 km (0.065 R)
• M6: 2,763,521 km (0.068 R)
• M7: 3,254,950 km (0.067 R)
• M8: 3,737,553 km (0.08 R)
• M9: 4,388,753 km (0.108 R)
• M10: 5,223,509 km (0.074 R)
• M11: 6,379,751 km (0.076 R)
• M12: 6,900,351 km (0.041 R)
• M13: 8,790,670 km (0.084 R)
• M14: 12,188,786 km (0.096 R)
• M15: 12,686,049 km (0.082 R)
• M16: 13,197,075 km (0.056 R)
• M17: 14,042,902 km (0.062 R)
• M18: 14,700,684 km (0.099 R)
• M19: 18,431,206 km (0.072 R)
• M20: 19,554,985 km (0.105 R)
• M21: 22,304,444 km (0.094 R)
• M22: 24,118,917 km (0.042 R)
• M23: 24,430,679 km (0.103 R)
• M24: 24,823,971 km (0.105 R)
• M25: 28,731,617 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.3

Radius: 5.3

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.25 AU - 7.13 AU

Year: 10825 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,811,469 km

• M1: 66,272 km (0.038 R)
• M2: 762,800 km (0.12 R)
• M3: 1,755,830 km (0.04 R)
• M4: 2,435,753 km (0.1 R)
• M5: 2,895,616 km (0.109 R)
• M6: 3,082,464 km (0.042 R)
• M7: 3,886,702 km (0.116 R)
• M8: 4,404,610 km (0.115 R)
• M9: 4,996,868 km (0.111 R)
• M10: 5,545,294 km (0.06 R)
• M11: 6,725,471 km (0.08 R)
• M12: 7,241,285 km (0.078 R)
• M13: 9,434,689 km (0.076 R)
• M14: 10,657,352 km (0.104 R)
• M15: 11,563,317 km (0.099 R)
• M16: 13,816,560 km (0.104 R)
• M17: 17,412,145 km (0.104 R)
• M18: 18,952,105 km (0.076 R)
• M19: 23,112,721 km (0.066 R)
• M20: 25,580,039 km (0.11 R)
• M21: 29,167,246 km (0.077 R)
• M22: 30,040,300 km (0.086 R)
• M23: 35,647,078 km (0.117 R)
• M24: 36,421,397 km (0.098 R)
• M25: 36,981,342 km (0.081 R)
• M26: 37,660,666 km (0.041 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 16,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit