🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.3

Radius: 14

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.88 AU - 1.24 AU

Year: 753 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,597,086 km

• M1: 174,132 km (0.104 R)
• M2: 677,230 km (0.106 R)
• M3: 1,123,330 km (0.106 R)
• M4: 2,041,562 km (0.114 R)
• M5: 2,721,036 km (0.113 R)
• M6: 3,188,828 km (0.111 R)
• M7: 4,505,738 km (0.094 R)
• M8: 5,011,977 km (0.115 R)
• M9: 5,629,218 km (0.107 R)
• M10: 6,217,886 km (0.115 R)
• M11: 6,974,253 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 11.1

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.01 AU - 1.59 AU

Year: 1023 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,597,086 km

• M1: 138,079 km (0.084 R)
• M2: 525,687 km (0.117 R)
• M3: 1,238,371 km (0.078 R)
• M4: 1,714,840 km (0.108 R)
• M5: 2,105,740 km (0.12 R)
• M6: 2,654,315 km (0.061 R)
• M7: 3,112,683 km (0.054 R)
• M8: 3,779,740 km (0.042 R)
• M9: 4,207,141 km (0.109 R)
• M10: 4,852,207 km (0.115 R)
• M11: 6,007,551 km (0.114 R)
• M12: 6,499,579 km (0.104 R)
• M13: 7,115,473 km (0.111 R)
• M14: 7,926,742 km (0.095 R)
• M15: 8,798,449 km (0.11 R)
• M16: 9,945,865 km (0.045 R)
• M17: 10,699,988 km (0.107 R)
• M18: 11,058,125 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 9.2

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.53 AU - 2.05 AU

Year: 1653 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,597,086 km

• M1: 114,442 km (0.099 R)
• M2: 408,253 km (0.12 R)
• M3: 733,329 km (0.095 R)
• M4: 1,047,335 km (0.108 R)
• M5: 1,334,712 km (0.099 R)
• M6: 1,921,734 km (0.057 R)
• M7: 2,760,679 km (0.054 R)
• M8: 3,292,051 km (0.096 R)
• M9: 3,857,830 km (0.093 R)
• M10: 4,155,978 km (0.108 R)
• M11: 5,262,853 km (0.118 R)
• M12: 5,609,471 km (0.112 R)
• M13: 6,058,863 km (0.1 R)
• M14: 6,718,889 km (0.097 R)
• M15: 8,101,173 km (0.111 R)
• M16: 8,564,478 km (0.109 R)
• M17: 9,395,494 km (0.083 R)
• M18: 10,061,055 km (0.112 R)
• M19: 10,532,737 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 8

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.89 AU - 2.01 AU

Year: 1880 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,597,086 km

• M1: 99,483 km (0.079 R)
• M2: 402,867 km (0.109 R)
• M3: 685,457 km (0.104 R)
• M4: 952,490 km (0.109 R)
• M5: 2,065,199 km (0.115 R)
• M6: 2,378,905 km (0.042 R)
• M7: 2,695,604 km (0.103 R)
• M8: 2,962,935 km (0.081 R)
• M9: 3,764,182 km (0.119 R)
• M10: 4,314,103 km (0.064 R)
• M11: 4,723,553 km (0.118 R)
• M12: 5,047,582 km (0.106 R)
• M13: 5,935,445 km (0.064 R)
• M14: 6,364,641 km (0.074 R)
• M15: 7,005,967 km (0.088 R)
• M16: 7,428,133 km (0.107 R)
• M17: 9,937,338 km (0.096 R)
• M18: 10,470,654 km (0.12 R)
• M19: 14,615,862 km (0.107 R)
• M20: 15,493,103 km (0.058 R)
• M21: 16,016,696 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 13.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.23 AU - 3.55 AU

Year: 4308 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,597,086 km

• M1: 165,455 km (0.05 R)
• M2: 1,040,453 km (0.119 R)
• M3: 1,521,111 km (0.098 R)
• M4: 3,291,602 km (0.12 R)
• M5: 4,657,879 km (0.093 R)
• M6: 7,102,907 km (0.107 R)
• M7: 8,838,691 km (0.037 R)
• M8: 9,514,125 km (0.081 R)
• M9: 9,943,770 km (0.071 R)
• M10: 10,633,267 km (0.109 R)
• M11: 14,163,478 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.9

Radius: 12.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.87 AU - 4.21 AU

Year: 4597 Days

Day: 12 Hours

Environment

Temp: -224 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,597,086 km

• M1: 157,975 km (0.109 R)
• M2: 675,135 km (0.052 R)
• M3: 1,386,922 km (0.091 R)
• M4: 2,039,169 km (0.097 R)
• M5: 2,761,128 km (0.062 R)
• M6: 3,386,896 km (0.106 R)
• M7: 4,647,258 km (0.084 R)
• M8: 5,384,775 km (0.111 R)
• M9: 5,795,122 km (0.108 R)
• M10: 6,592,778 km (0.055 R)
• M11: 8,138,723 km (0.051 R)
• M12: 8,750,578 km (0.075 R)
• M13: 9,283,894 km (0.116 R)
• M14: 9,725,956 km (0.106 R)
• M15: 11,014,742 km (0.104 R)
• M16: 11,427,033 km (0.103 R)
• M17: 11,849,647 km (0.049 R)
• M18: 13,226,397 km (0.073 R)
• M19: 15,106,692 km (0.113 R)
• M20: 16,084,613 km (0.093 R)
• M21: 16,508,873 km (0.106 R)
• M22: 18,109,720 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 13.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.74 AU - 4.36 AU

Year: 4617 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,597,086 km

• M1: 164,109 km (0.067 R)
• M2: 577,298 km (0.058 R)
• M3: 1,808,489 km (0.107 R)
• M4: 2,443,382 km (0.092 R)
• M5: 3,283,972 km (0.046 R)
• M6: 3,750,119 km (0.116 R)
• M7: 4,188,292 km (0.062 R)
• M8: 5,451,047 km (0.118 R)
• M9: 6,139,796 km (0.097 R)
• M10: 6,818,821 km (0.068 R)
• M11: 7,619,319 km (0.099 R)
• M12: 8,061,380 km (0.072 R)
• M13: 8,481,601 km (0.079 R)
• M14: 9,617,946 km (0.073 R)
• M15: 11,557,632 km (0.043 R)
• M16: 12,901,470 km (0.087 R)
• M17: 14,071,625 km (0.088 R)
• M18: 14,682,732 km (0.064 R)
• M19: 15,138,108 km (0.102 R)
• M20: 16,745,537 km (0.1 R)
• M21: 18,861,150 km (0.115 R)
• M22: 21,366,465 km (0.117 R)
• M23: 23,462,780 km (0.116 R)
• M24: 24,007,616 km (0.085 R)
• M25: 24,481,392 km (0.059 R)
• M26: 25,041,786 km (0.049 R)
• M27: 30,112,256 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 17,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit