🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.6

Radius: 12.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.44 AU - 0.62 AU

Year: 262 Days

Day: 5.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,409,863 km

• M1: 150,495 km (0.044 R)
• M2: 560,244 km (0.034 R)
• M3: 1,055,413 km (0.116 R)
• M4: 1,719,478 km (0.11 R)
• M5: 2,284,509 km (0.071 R)
• M6: 3,320,624 km (0.102 R)
• M7: 3,981,697 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 11.4

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.78 AU - 1.08 AU

Year: 608 Days

Day: 9 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,409,863 km

• M1: 145,559 km (0.106 R)
• M2: 641,625 km (0.086 R)
• M3: 1,271,582 km (0.119 R)
• M4: 1,692,550 km (0.089 R)
• M5: 2,620,655 km (0.06 R)
• M6: 4,324,874 km (0.117 R)
• M7: 4,809,572 km (0.109 R)
• M8: 5,888,471 km (0.091 R)
• M9: 7,523,875 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 12.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.4 AU - 2.14 AU

Year: 1597 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,409,863 km

• M1: 154,385 km (0.055 R)
• M2: 545,583 km (0.11 R)
• M3: 1,055,114 km (0.059 R)
• M4: 1,511,238 km (0.083 R)
• M5: 3,661,857 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 13.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.59 AU - 1.95 AU

Year: 1597 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,409,863 km

• M1: 162,912 km (0.076 R)
• M2: 667,655 km (0.098 R)
• M3: 1,118,543 km (0.106 R)
• M4: 1,652,009 km (0.038 R)
• M5: 2,196,994 km (0.117 R)
• M6: 3,050,450 km (0.097 R)
• M7: 3,624,457 km (0.103 R)
• M8: 4,217,613 km (0.116 R)
• M9: 4,630,054 km (0.083 R)
• M10: 5,330,023 km (0.047 R)
• M11: 6,820,616 km (0.078 R)
• M12: 9,877,349 km (0.093 R)
• M13: 10,972,405 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.4

Radius: 11.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.52 AU - 2.08 AU

Year: 1638 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,409,863 km

• M1: 146,157 km (0.101 R)
• M2: 511,924 km (0.109 R)
• M3: 1,220,270 km (0.051 R)
• M4: 2,028,846 km (0.092 R)
• M5: 2,463,727 km (0.11 R)
• M6: 2,946,480 km (0.048 R)
• M7: 3,318,530 km (0.064 R)
• M8: 3,755,804 km (0.119 R)
• M9: 4,194,874 km (0.039 R)
• M10: 5,412,601 km (0.09 R)
• M11: 6,575,874 km (0.069 R)
• M12: 7,593,588 km (0.078 R)
• M13: 8,040,287 km (0.117 R)
• M14: 9,048,278 km (0.114 R)
• M15: 9,518,913 km (0.046 R)
• M16: 9,940,031 km (0.08 R)
• M17: 12,502,193 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 12.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.32 AU - 2.56 AU

Year: 2585 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,409,863 km

• M1: 150,495 km (0.113 R)
• M2: 607,517 km (0.061 R)
• M3: 1,033,871 km (0.071 R)
• M4: 1,506,151 km (0.071 R)
• M5: 1,918,892 km (0.052 R)
• M6: 2,824,707 km (0.096 R)
• M7: 3,358,173 km (0.105 R)
• M8: 5,302,646 km (0.089 R)
• M9: 6,489,406 km (0.106 R)
• M10: 6,903,194 km (0.116 R)
• M11: 8,188,688 km (0.076 R)
• M12: 11,150,876 km (0.114 R)
• M13: 12,363,067 km (0.116 R)
• M14: 13,218,767 km (0.111 R)
• M15: 15,143,942 km (0.062 R)
• M16: 18,317,960 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 8.5

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.12 AU - 4.8 AU

Year: 6388 Days

Day: 8.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,409,863 km

• M1: 105,766 km (0.086 R)
• M2: 461,509 km (0.061 R)
• M3: 769,531 km (0.117 R)
• M4: 1,113,756 km (0.078 R)
• M5: 2,154,509 km (0.097 R)
• M6: 2,660,149 km (0.084 R)
• M7: 3,462,892 km (0.098 R)
• M8: 4,031,812 km (0.087 R)
• M9: 4,498,258 km (0.101 R)
• M10: 5,235,327 km (0.115 R)
• M11: 5,855,261 km (0.072 R)
• M12: 6,250,049 km (0.116 R)
• M13: 6,592,629 km (0.1 R)
• M14: 7,580,573 km (0.101 R)
• M15: 8,251,370 km (0.088 R)
• M16: 8,538,747 km (0.047 R)
• M17: 9,620,489 km (0.119 R)
• M18: 11,537,437 km (0.099 R)
• M19: 12,371,146 km (0.102 R)
• M20: 12,748,132 km (0.105 R)
• M21: 14,392,811 km (0.092 R)
• M22: 15,482,033 km (0.115 R)
• M23: 17,084,825 km (0.036 R)
• M24: 20,095,183 km (0.097 R)
• M25: 20,918,719 km (0.087 R)
• M26: 21,998,965 km (0.102 R)
• M27: 23,116,013 km (0.101 R)
• M28: 30,722,616 km (0.116 R)
• M29: 33,241,993 km (0.104 R)
• M30: 34,076,450 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.2

Radius: 6.4

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.77 AU - 7.39 AU

Year: 10168 Days

Day: 23.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,409,863 km

• M1: 85,271 km (0.101 R)
• M2: 319,092 km (0.113 R)
• M3: 666,159 km (0.106 R)
• M4: 932,743 km (0.07 R)
• M5: 1,316,162 km (0.116 R)
• M6: 4,687,200 km (0.076 R)
• M7: 5,707,757 km (0.111 R)
• M8: 7,817,686 km (0.105 R)
• M9: 10,737,836 km (0.036 R)
• M10: 14,673,008 km (0.087 R)
• M11: 15,598,869 km (0.083 R)
• M12: 17,362,927 km (0.088 R)
• M13: 18,398,294 km (0.094 R)
• M14: 27,188,366 km (0.097 R)
• M15: 32,325,557 km (0.09 R)
• M16: 34,101,134 km (0.09 R)
• M17: 34,958,778 km (0.09 R)
• M18: 36,717,002 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.1

Radius: 4.2

Gravity: 32.94 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.34 AU - 9.2 AU

Year: 16131 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,409,863 km

• M1: 52,210 km (0.112 R)
• M2: 369,507 km (0.09 R)
• M3: 1,279,660 km (0.085 R)
• M4: 5,256,121 km (0.107 R)
• M5: 5,400,334 km (0.109 R)
• M6: 5,547,239 km (0.108 R)
• M7: 6,043,006 km (0.07 R)
• M8: 7,388,489 km (0.073 R)
• M9: 7,847,007 km (0.106 R)
• M10: 8,520,197 km (0.088 R)
• M11: 9,708,603 km (0.03 R)
• M12: 10,828,193 km (0.119 R)
• M13: 14,275,975 km (0.071 R)
• M14: 15,349,490 km (0.092 R)
• M15: 19,060,115 km (0.049 R)
• M16: 29,986,893 km (0.112 R)
• M17: 31,148,521 km (0.106 R)
• M18: 57,140,552 km (0.071 R)
• M19: 60,925,229 km (0.049 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: 388 - 13,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit