🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

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: 383

Radius: 11.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.76 AU

Year: 429 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,323,974 km

• M1: 145,559 km (0.048 R)
• M2: 614,698 km (0.065 R)
• M3: 1,033,871 km (0.104 R)
• M4: 1,405,921 km (0.112 R)
• M5: 2,025,854 km (0.109 R)
• M6: 2,408,975 km (0.114 R)
• M7: 2,909,679 km (0.073 R)
• M8: 3,357,275 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 11.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.84 AU - 0.98 AU

Year: 610 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,323,974 km

• M1: 146,756 km (0.081 R)
• M2: 606,320 km (0.06 R)
• M3: 1,230,143 km (0.115 R)
• M4: 1,904,830 km (0.115 R)
• M5: 2,747,514 km (0.116 R)
• M6: 3,138,713 km (0.102 R)
• M7: 4,466,244 km (0.072 R)
• M8: 6,730,408 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 14.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.34 AU - 1.46 AU

Year: 1164 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,323,974 km

• M1: 181,612 km (0.089 R)
• M2: 726,447 km (0.086 R)
• M3: 1,300,454 km (0.04 R)
• M4: 1,777,971 km (0.1 R)
• M5: 2,443,083 km (0.092 R)
• M6: 3,806,667 km (0.108 R)
• M7: 5,447,906 km (0.08 R)
• M8: 6,586,645 km (0.059 R)
• M9: 7,103,804 km (0.091 R)
• M10: 7,930,782 km (0.114 R)
• M11: 8,848,864 km (0.11 R)
• M12: 9,304,988 km (0.1 R)
• M13: 10,609,331 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 15

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.37 AU - 1.83 AU

Year: 1423 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,323,974 km

• M1: 186,549 km (0.12 R)
• M2: 710,739 km (0.085 R)
• M3: 1,229,096 km (0.117 R)
• M4: 1,869,973 km (0.101 R)
• M5: 2,699,494 km (0.111 R)
• M6: 4,134,287 km (0.084 R)
• M7: 5,094,555 km (0.111 R)
• M8: 6,620,603 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 14.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.39 AU - 2.05 AU

Year: 1586 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,323,974 km

• M1: 175,777 km (0.039 R)
• M2: 614,548 km (0.105 R)
• M3: 1,327,831 km (0.071 R)
• M4: 1,876,556 km (0.068 R)
• M5: 2,615,420 km (0.068 R)
• M6: 3,156,365 km (0.064 R)
• M7: 3,738,451 km (0.1 R)
• M8: 4,619,582 km (0.085 R)
• M9: 5,309,528 km (0.052 R)
• M10: 6,067,390 km (0.039 R)
• M11: 6,644,988 km (0.083 R)
• M12: 7,259,087 km (0.039 R)
• M13: 8,396,031 km (0.065 R)
• M14: 9,145,666 km (0.112 R)
• M15: 12,408,395 km (0.096 R)
• M16: 13,381,978 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 13.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.79 AU - 6.01 AU

Year: 8821 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,323,974 km

• M1: 172,935 km (0.118 R)
• M2: 1,674,898 km (0.079 R)
• M3: 3,024,420 km (0.054 R)
• M4: 4,515,013 km (0.113 R)
• M5: 6,903,044 km (0.12 R)
• M6: 8,029,367 km (0.064 R)
• M7: 11,038,079 km (0.109 R)
• M8: 11,936,265 km (0.088 R)
• M9: 12,403,309 km (0.12 R)
• M10: 12,971,033 km (0.087 R)
• M11: 13,465,005 km (0.103 R)
• M12: 15,819,825 km (0.096 R)
• M13: 16,436,019 km (0.101 R)
• M14: 17,607,370 km (0.116 R)
• M15: 19,467,769 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.4

Radius: 5

Gravity: 30.58 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.28 AU - 7.06 AU

Year: 10773 Days

Day: 24 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,323,974 km

• M1: 62,382 km (0.11 R)
• M2: 323,131 km (0.083 R)
• M3: 485,894 km (0.113 R)
• M4: 1,123,929 km (0.112 R)
• M5: 1,348,176 km (0.116 R)
• M6: 1,528,292 km (0.109 R)
• M7: 1,693,298 km (0.102 R)
• M8: 2,261,471 km (0.095 R)
• M9: 2,558,273 km (0.071 R)
• M10: 2,792,244 km (0.117 R)
• M11: 3,792,007 km (0.084 R)
• M12: 4,507,533 km (0.079 R)
• M13: 5,108,618 km (0.052 R)
• M14: 5,584,638 km (0.098 R)
• M15: 6,783,067 km (0.11 R)
• M16: 11,561,223 km (0.105 R)
• M17: 14,393,709 km (0.06 R)
• M18: 15,898,663 km (0.119 R)
• M19: 18,898,250 km (0.083 R)
• M20: 21,553,762 km (0.101 R)
• M21: 23,517,234 km (0.069 R)
• M22: 25,306,275 km (0.113 R)
• M23: 26,283,299 km (0.114 R)
• M24: 28,312,444 km (0.08 R)
• M25: 31,436,796 km (0.107 R)
• M26: 32,223,830 km (0.108 R)
• M27: 33,024,029 km (0.069 R)
• M28: 37,852,450 km (0.056 R)
• M29: 38,105,420 km (0.097 R)
• M30: 39,128,969 km (0.115 R)
• M31: 39,387,773 km (0.104 R)
• M32: 40,831,093 km (0.091 R)
• M33: 44,102,051 km (0.108 R)
• M34: 45,801,183 km (0.094 R)
• M35: 49,028,608 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.3

Radius: 6.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.39 AU - 7.13 AU

Year: 12355 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,323,974 km

• M1: 84,224 km (0.09 R)
• M2: 321,187 km (0.075 R)
• M3: 627,563 km (0.086 R)
• M4: 896,091 km (0.116 R)
• M5: 1,475,633 km (0.068 R)
• M6: 2,667,779 km (0.06 R)
• M7: 3,285,468 km (0.1 R)
• M8: 12,962,356 km (0.104 R)
• M9: 18,416,395 km (0.089 R)
• M10: 19,027,802 km (0.119 R)
• M11: 21,541,495 km (0.086 R)
• M12: 22,083,189 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.8

Radius: 6.1

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.13 AU - 7.81 AU

Year: 14351 Days

Day: 15.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,323,974 km

• M1: 114,742 km (0.117 R)
• M2: 4,680,917 km (0.119 R)
• M3: 6,627,784 km (0.06 R)
• M4: 9,344,332 km (0.1 R)
• M5: 12,488,131 km (0.083 R)
• M6: 12,842,828 km (0.082 R)
• M7: 14,914,459 km (0.087 R)
• M8: 21,005,785 km (0.096 R)
• M9: 22,884,136 km (0.091 R)
• M10: 23,594,127 km (0.086 R)
• M11: 25,527,381 km (0.084 R)
• M12: 29,186,395 km (0.12 R)
• M13: 31,628,730 km (0.105 R)
• M14: 31,957,097 km (0.051 R)
• M15: 35,014,728 km (0.104 R)
• M16: 35,366,133 km (0.107 R)
• M17: 45,904,855 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 14,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit