🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 11.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,057,233 km

• M1: 138,079 km (0.06 R)
• M2: 514,916 km (0.114 R)
• M3: 961,914 km (0.087 R)
• M4: 1,350,121 km (0.071 R)
• M5: 2,054,428 km (0.118 R)
• M6: 2,416,604 km (0.053 R)
• M7: 3,242,534 km (0.101 R)
• M8: 3,617,576 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 8.4

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.62 AU - 0.94 AU

Year: 467 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,057,233 km

• M1: 104,419 km (0.114 R)
• M2: 412,292 km (0.115 R)
• M3: 695,032 km (0.116 R)
• M4: 1,058,106 km (0.112 R)
• M5: 1,539,063 km (0.102 R)
• M6: 1,944,324 km (0.063 R)
• M7: 2,277,478 km (0.117 R)
• M8: 2,838,470 km (0.073 R)
• M9: 3,281,280 km (0.096 R)
• M10: 3,563,571 km (0.055 R)
• M11: 4,465,496 km (0.084 R)
• M12: 4,736,119 km (0.058 R)
• M13: 5,393,751 km (0.119 R)
• M14: 5,718,528 km (0.087 R)
• M15: 5,984,214 km (0.105 R)
• M16: 6,257,978 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.4

Radius: 11.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.78 AU - 0.86 AU

Year: 504 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,057,233 km

• M1: 144,362 km (0.062 R)
• M2: 556,654 km (0.065 R)
• M3: 1,323,792 km (0.119 R)
• M4: 1,718,132 km (0.094 R)
• M5: 2,182,633 km (0.098 R)
• M6: 2,657,307 km (0.073 R)
• M7: 3,418,012 km (0.045 R)
• M8: 3,883,860 km (0.086 R)
• M9: 4,304,080 km (0.041 R)
• M10: 5,024,095 km (0.094 R)
• M11: 5,387,917 km (0.049 R)
• M12: 5,876,504 km (0.072 R)
• M13: 6,586,794 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 8.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.48 AU

Year: 2079 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,057,233 km

• M1: 101,128 km (0.117 R)
• M2: 357,539 km (0.087 R)
• M3: 632,350 km (0.104 R)
• M4: 983,307 km (0.096 R)
• M5: 1,284,597 km (0.085 R)
• M6: 1,684,921 km (0.116 R)
• M7: 2,122,195 km (0.11 R)
• M8: 2,582,658 km (0.106 R)
• M9: 3,224,283 km (0.06 R)
• M10: 3,496,551 km (0.105 R)
• M11: 3,833,745 km (0.037 R)
• M12: 4,407,602 km (0.097 R)
• M13: 4,957,973 km (0.111 R)
• M14: 5,924,076 km (0.114 R)
• M15: 6,594,424 km (0.108 R)
• M16: 7,288,707 km (0.117 R)
• M17: 7,867,801 km (0.042 R)
• M18: 8,307,768 km (0.098 R)
• M19: 8,822,385 km (0.052 R)
• M20: 9,237,220 km (0.095 R)
• M21: 9,758,269 km (0.108 R)
• M22: 12,004,631 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.14 AU - 2.14 AU

Year: 2123 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,057,233 km

• M1: 99,483 km (0.112 R)
• M2: 608,863 km (0.112 R)
• M3: 1,312,422 km (0.106 R)
• M4: 1,591,273 km (0.082 R)
• M5: 1,999,076 km (0.096 R)
• M6: 3,618,623 km (0.034 R)
• M7: 4,007,278 km (0.06 R)
• M8: 5,568,631 km (0.073 R)
• M9: 6,185,423 km (0.066 R)
• M10: 6,664,436 km (0.055 R)
• M11: 7,526,718 km (0.118 R)
• M12: 8,461,405 km (0.098 R)
• M13: 9,405,966 km (0.11 R)
• M14: 9,702,619 km (0.085 R)
• M15: 10,107,879 km (0.083 R)
• M16: 10,701,184 km (0.085 R)
• M17: 12,227,831 km (0.119 R)
• M18: 13,145,015 km (0.113 R)
• M19: 13,474,579 km (0.112 R)
• M20: 13,936,687 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 14.6

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.27 AU - 4.83 AU

Year: 5528 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,057,233 km

• M1: 181,612 km (0.097 R)
• M2: 813,214 km (0.087 R)
• M3: 1,363,734 km (0.052 R)
• M4: 2,154,359 km (0.033 R)
• M5: 3,509,117 km (0.099 R)
• M6: 4,549,122 km (0.115 R)
• M7: 5,280,655 km (0.103 R)
• M8: 6,115,262 km (0.094 R)
• M9: 6,979,788 km (0.092 R)
• M10: 7,710,723 km (0.117 R)
• M11: 8,299,989 km (0.04 R)
• M12: 9,053,364 km (0.036 R)
• M13: 10,250,446 km (0.112 R)
• M14: 10,964,028 km (0.03 R)
• M15: 14,430,959 km (0.1 R)
• M16: 16,413,280 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 13.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.14 AU - 5.88 AU

Year: 8772 Days

Day: 10.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,057,233 km

• M1: 172,935 km (0.098 R)
• M2: 757,264 km (0.111 R)
• M3: 1,314,068 km (0.107 R)
• M4: 1,824,047 km (0.092 R)
• M5: 2,374,268 km (0.094 R)
• M6: 2,991,509 km (0.066 R)
• M7: 4,268,626 km (0.118 R)
• M8: 5,187,905 km (0.091 R)
• M9: 5,678,137 km (0.095 R)
• M10: 6,490,304 km (0.088 R)
• M11: 8,259,298 km (0.11 R)
• M12: 8,930,394 km (0.031 R)
• M13: 11,873,583 km (0.087 R)
• M14: 16,991,925 km (0.06 R)
• M15: 18,601,897 km (0.084 R)
• M16: 20,152,030 km (0.094 R)
• M17: 24,949,185 km (0.116 R)
• M18: 27,026,052 km (0.091 R)
• M19: 28,607,152 km (0.033 R)
• M20: 34,058,947 km (0.059 R)
• M21: 36,137,759 km (0.097 R)
• M22: 36,849,097 km (0.098 R)
• M23: 37,328,558 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.6

Radius: 6.6

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.49 AU - 9.35 AU

Year: 15117 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,057,233 km

• M1: 82,129 km (0.054 R)
• M2: 455,077 km (0.115 R)
• M3: 913,893 km (0.079 R)
• M4: 1,161,029 km (0.073 R)
• M5: 1,911,412 km (0.096 R)
• M6: 2,719,839 km (0.12 R)
• M7: 4,439,018 km (0.093 R)
• M8: 5,400,334 km (0.096 R)
• M9: 5,615,455 km (0.09 R)
• M10: 7,328,949 km (0.103 R)
• M11: 9,261,903 km (0.081 R)
• M12: 12,479,903 km (0.111 R)
• M13: 14,372,466 km (0.082 R)
• M14: 17,832,964 km (0.099 R)
• M15: 20,396,772 km (0.087 R)
• M16: 28,234,055 km (0.095 R)
• M17: 36,191,016 km (0.101 R)
• M18: 40,131,723 km (0.035 R)
• M19: 40,815,086 km (0.096 R)
• M20: 51,535,270 km (0.111 R)
• M21: 51,857,204 km (0.095 R)
• M22: 56,848,238 km (0.067 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 18,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit