🌌 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: 581.5

Radius: 14.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,143,444 km

• M1: 177,872 km (0.113 R)
• M2: 666,907 km (0.069 R)
• M3: 1,246,898 km (0.07 R)
• M4: 1,691,653 km (0.082 R)
• M5: 2,699,494 km (0.09 R)
• M6: 3,300,727 km (0.051 R)
• M7: 3,821,478 km (0.099 R)
• M8: 4,706,349 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 11.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.82 AU - 1.22 AU

Year: 711 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,143,444 km

• M1: 146,756 km (0.093 R)
• M2: 577,747 km (0.104 R)
• M3: 1,063,790 km (0.111 R)
• M4: 1,935,497 km (0.075 R)
• M5: 3,553,997 km (0.101 R)
• M6: 3,982,295 km (0.084 R)
• M7: 5,629,218 km (0.101 R)
• M8: 6,335,769 km (0.109 R)
• M9: 7,100,663 km (0.075 R)
• M10: 7,784,176 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 11

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.91 AU - 2.05 AU

Year: 1923 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,143,444 km

• M1: 136,882 km (0.067 R)
• M2: 534,214 km (0.114 R)
• M3: 899,083 km (0.097 R)
• M4: 1,528,591 km (0.086 R)
• M5: 1,921,734 km (0.044 R)
• M6: 2,319,665 km (0.09 R)
• M7: 2,946,629 km (0.064 R)
• M8: 3,513,306 km (0.029 R)
• M9: 4,114,091 km (0.103 R)
• M10: 4,949,595 km (0.049 R)
• M11: 5,318,503 km (0.098 R)
• M12: 5,729,299 km (0.062 R)
• M13: 6,210,406 km (0.092 R)
• M14: 6,692,410 km (0.098 R)
• M15: 7,760,240 km (0.064 R)
• M16: 9,323,388 km (0.099 R)
• M17: 10,266,154 km (0.052 R)
• M18: 10,796,628 km (0.094 R)
• M19: 11,951,075 km (0.09 R)
• M20: 12,340,628 km (0.052 R)
• M21: 13,227,294 km (0.113 R)
• M22: 13,855,904 km (0.085 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 8.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.7 AU - 4.1 AU

Year: 4327 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,143,444 km

• M1: 110,702 km (0.087 R)
• M2: 598,391 km (0.118 R)
• M3: 1,344,586 km (0.109 R)
• M4: 1,633,310 km (0.1 R)
• M5: 1,989,951 km (0.095 R)
• M6: 2,679,597 km (0.085 R)
• M7: 3,017,987 km (0.119 R)
• M8: 3,659,014 km (0.057 R)
• M9: 4,076,991 km (0.056 R)
• M10: 4,836,050 km (0.082 R)
• M11: 5,134,349 km (0.12 R)
• M12: 6,306,298 km (0.093 R)
• M13: 6,693,458 km (0.087 R)
• M14: 6,970,662 km (0.093 R)
• M15: 11,096,422 km (0.12 R)
• M16: 12,154,528 km (0.111 R)
• M17: 13,326,926 km (0.047 R)
• M18: 14,521,615 km (0.072 R)
• M19: 15,145,139 km (0.069 R)
• M20: 17,410,499 km (0.117 R)
• M21: 17,701,467 km (0.114 R)
• M22: 19,020,322 km (0.037 R)
• M23: 22,190,899 km (0.049 R)
• M24: 22,809,337 km (0.103 R)
• M25: 23,937,006 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.4

Radius: 12.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.77 AU - 4.37 AU

Year: 4656 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,143,444 km

• M1: 160,818 km (0.035 R)
• M2: 593,904 km (0.062 R)
• M3: 1,163,572 km (0.114 R)
• M4: 1,957,189 km (0.116 R)
• M5: 3,220,992 km (0.083 R)
• M6: 3,970,926 km (0.119 R)
• M7: 7,618,122 km (0.082 R)
• M8: 13,832,717 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.2

Radius: 4.6

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.51 AU - 8.87 AU

Year: 14720 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,143,444 km

• M1: 57,296 km (0.085 R)
• M2: 506,239 km (0.098 R)
• M3: 1,214,286 km (0.084 R)
• M4: 2,243,519 km (0.116 R)
• M5: 4,043,032 km (0.104 R)
• M6: 6,042,408 km (0.086 R)
• M7: 6,185,722 km (0.104 R)
• M8: 7,054,587 km (0.084 R)
• M9: 17,115,792 km (0.052 R)
• M10: 17,840,444 km (0.113 R)
• M11: 18,736,984 km (0.075 R)
• M12: 20,057,783 km (0.1 R)
• M13: 24,846,561 km (0.112 R)
• M14: 27,113,118 km (0.074 R)
• M15: 29,616,788 km (0.1 R)
• M16: 32,379,562 km (0.038 R)
• M17: 36,127,437 km (0.103 R)
• M18: 39,027,840 km (0.116 R)
• M19: 42,210,236 km (0.104 R)
• M20: 44,470,361 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.2

Radius: 5.8

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.99 AU - 11.47 AU

Year: 20950 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 54.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,143,444 km

• M1: 72,106 km (0.073 R)
• M2: 339,587 km (0.109 R)
• M3: 526,585 km (0.111 R)
• M4: 742,005 km (0.11 R)
• M5: 944,561 km (0.056 R)
• M6: 1,208,152 km (0.077 R)
• M7: 1,464,414 km (0.088 R)
• M8: 1,835,566 km (0.111 R)
• M9: 2,249,054 km (0.025 R)
• M10: 3,028,011 km (0.104 R)
• M11: 3,759,843 km (0.082 R)
• M12: 4,223,746 km (0.105 R)
• M13: 4,694,531 km (0.068 R)
• M14: 8,280,990 km (0.056 R)
• M15: 11,155,663 km (0.055 R)
• M16: 11,767,219 km (0.098 R)
• M17: 12,815,601 km (0.071 R)
• M18: 14,179,933 km (0.112 R)
• M19: 14,568,140 km (0.091 R)
• M20: 15,365,945 km (0.118 R)
• M21: 16,052,749 km (0.117 R)
• M22: 16,545,524 km (0.102 R)
• M23: 21,783,694 km (0.119 R)
• M24: 28,435,862 km (0.113 R)
• M25: 28,949,582 km (0.097 R)
• M26: 30,850,671 km (0.069 R)
• M27: 36,565,310 km (0.113 R)
• M28: 37,540,688 km (0.107 R)
• M29: 45,694,370 km (0.118 R)
• M30: 48,556,926 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 17,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit