🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 310 Days

Day: 44.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894

Radius: 12.9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.07 AU - 1.47 AU

Year: 910 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,555,021 km

• M1: 160,519 km (0.072 R)
• M2: 667,954 km (0.064 R)
• M3: 1,080,097 km (0.084 R)
• M4: 1,688,062 km (0.114 R)
• M5: 2,113,668 km (0.107 R)
• M6: 3,299,531 km (0.057 R)
• M7: 4,545,980 km (0.036 R)
• M8: 5,484,258 km (0.041 R)
• M9: 6,236,735 km (0.093 R)
• M10: 8,691,786 km (0.086 R)
• M11: 9,165,712 km (0.038 R)
• M12: 10,410,815 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.4

Radius: 8.2

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2 AU - 2.04 AU

Year: 1825 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 161.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,555,021 km

• M1: 102,624 km (0.093 R)
• M2: 504,743 km (0.088 R)
• M3: 888,761 km (0.102 R)
• M4: 2,037,673 km (0.116 R)
• M5: 2,514,291 km (0.089 R)
• M6: 3,192,119 km (0.036 R)
• M7: 4,179,465 km (0.116 R)
• M8: 4,732,977 km (0.092 R)
• M9: 6,852,330 km (0.119 R)
• M10: 8,134,983 km (0.107 R)
• M11: 10,678,595 km (0.097 R)
• M12: 12,394,932 km (0.082 R)
• M13: 14,743,020 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 12.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.09 AU - 4.41 AU

Year: 4617 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,555,021 km

• M1: 156,479 km (0.077 R)
• M2: 578,794 km (0.072 R)
• M3: 1,382,434 km (0.103 R)
• M4: 2,275,683 km (0.087 R)
• M5: 2,790,150 km (0.057 R)
• M6: 3,441,499 km (0.111 R)
• M7: 4,331,457 km (0.112 R)
• M8: 6,754,942 km (0.094 R)
• M9: 8,627,459 km (0.108 R)
• M10: 9,361,984 km (0.06 R)
• M11: 9,929,708 km (0.093 R)
• M12: 11,313,788 km (0.083 R)
• M13: 12,052,203 km (0.105 R)
• M14: 13,676,985 km (0.113 R)
• M15: 14,947,071 km (0.104 R)
• M16: 15,554,887 km (0.082 R)
• M17: 19,164,983 km (0.092 R)
• M18: 20,415,921 km (0.07 R)
• M19: 21,510,827 km (0.044 R)
• M20: 23,743,127 km (0.057 R)
• M21: 24,343,314 km (0.095 R)
• M22: 25,496,264 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 13.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.15 AU - 4.45 AU

Year: 4710 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,555,021 km

• M1: 170,392 km (0.06 R)
• M2: 631,303 km (0.069 R)
• M3: 1,121,834 km (0.098 R)
• M4: 2,229,008 km (0.047 R)
• M5: 2,709,367 km (0.115 R)
• M6: 4,845,475 km (0.085 R)
• M7: 5,350,667 km (0.085 R)
• M8: 5,867,677 km (0.092 R)
• M9: 6,295,527 km (0.054 R)
• M10: 7,762,334 km (0.107 R)
• M11: 10,002,862 km (0.116 R)
• M12: 11,038,378 km (0.101 R)
• M13: 12,528,822 km (0.08 R)
• M14: 13,040,895 km (0.113 R)
• M15: 14,191,752 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 8.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.18 AU - 5.3 AU

Year: 5551 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,555,021 km

• M1: 105,018 km (0.114 R)
• M2: 372,050 km (0.114 R)
• M3: 638,334 km (0.043 R)
• M4: 1,086,679 km (0.08 R)
• M5: 1,870,871 km (0.12 R)
• M6: 2,144,336 km (0.09 R)
• M7: 4,041,386 km (0.055 R)
• M8: 4,765,440 km (0.036 R)
• M9: 7,051,146 km (0.109 R)
• M10: 7,588,651 km (0.119 R)
• M11: 8,403,361 km (0.092 R)
• M12: 8,832,109 km (0.049 R)
• M13: 9,889,167 km (0.099 R)
• M14: 11,682,247 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.5

Radius: 8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.44 AU - 8.96 AU

Year: 16316 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,555,021 km

• M1: 108,758 km (0.038 R)
• M2: 436,527 km (0.12 R)
• M3: 787,782 km (0.104 R)
• M4: 2,502,324 km (0.084 R)
• M5: 3,087,999 km (0.118 R)
• M6: 3,426,090 km (0.107 R)
• M7: 3,682,501 km (0.052 R)
• M8: 5,130,758 km (0.118 R)
• M9: 7,591,194 km (0.097 R)
• M10: 10,637,755 km (0.092 R)
• M11: 11,298,529 km (0.111 R)
• M12: 12,340,628 km (0.112 R)
• M13: 14,217,632 km (0.064 R)
• M14: 17,005,837 km (0.031 R)
• M15: 19,809,600 km (0.103 R)
• M16: 21,841,289 km (0.099 R)
• M17: 22,281,406 km (0.038 R)
• M18: 24,951,578 km (0.115 R)
• M19: 30,917,841 km (0.113 R)
• M20: 31,921,642 km (0.094 R)
• M21: 35,545,052 km (0.111 R)
• M22: 37,142,907 km (0.103 R)
• M23: 43,458,032 km (0.1 R)
• M24: 45,999,700 km (0.037 R)
• M25: 47,306,886 km (0.091 R)
• M26: 48,340,607 km (0.111 R)
• M27: 50,147,600 km (0.039 R)
• M28: 50,606,267 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.4

Radius: 7.9

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7 AU - 10.84 AU

Year: 16939 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,555,021 km

• M1: 98,735 km (0.1 R)
• M2: 589,116 km (0.071 R)
• M3: 911,500 km (0.089 R)
• M4: 1,212,341 km (0.064 R)
• M5: 1,678,339 km (0.057 R)
• M6: 2,019,721 km (0.072 R)
• M7: 3,197,355 km (0.1 R)
• M8: 4,374,840 km (0.097 R)
• M9: 6,265,159 km (0.065 R)
• M10: 7,046,060 km (0.028 R)
• M11: 8,747,735 km (0.05 R)
• M12: 12,339,431 km (0.119 R)
• M13: 13,215,177 km (0.078 R)
• M14: 14,421,983 km (0.112 R)
• M15: 14,864,942 km (0.053 R)
• M16: 17,053,110 km (0.11 R)
• M17: 21,288,974 km (0.061 R)
• M18: 21,863,430 km (0.08 R)
• M19: 24,472,716 km (0.088 R)
• M20: 27,846,447 km (0.11 R)
• M21: 30,905,125 km (0.076 R)
• M22: 31,518,027 km (0.077 R)
• M23: 35,499,874 km (0.063 R)
• M24: 36,172,167 km (0.05 R)
• M25: 38,099,287 km (0.094 R)
• M26: 40,676,409 km (0.114 R)
• M27: 41,264,478 km (0.095 R)
• M28: 43,214,935 km (0.111 R)
• M29: 49,101,462 km (0.084 R)
• M30: 51,119,537 km (0.069 R)
• M31: 52,843,054 km (0.061 R)
• M32: 54,605,018 km (0.112 R)
• M33: 55,680,776 km (0.099 R)
• M34: 62,239,297 km (0.087 R)
• M35: 63,020,048 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 16,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit