🌌 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: 463.6

Radius: 10.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.72 AU

Year: 353 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 57 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,569,924 km

• M1: 135,536 km (0.11 R)
• M2: 546,930 km (0.1 R)
• M3: 1,118,842 km (0.074 R)
• M4: 1,463,815 km (0.06 R)
• M5: 1,817,913 km (0.12 R)
• M6: 2,158,398 km (0.119 R)
• M7: 2,498,135 km (0.119 R)
• M8: 2,971,313 km (0.081 R)
• M9: 3,626,552 km (0.066 R)
• M10: 4,123,516 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 9.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.66 AU - 0.7 AU

Year: 387 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,569,924 km

• M1: 118,182 km (0.079 R)
• M2: 491,579 km (0.08 R)
• M3: 794,813 km (0.042 R)
• M4: 1,189,004 km (0.071 R)
• M5: 1,589,328 km (0.104 R)
• M6: 1,929,364 km (0.062 R)
• M7: 2,318,169 km (0.106 R)
• M8: 2,717,595 km (0.093 R)
• M9: 3,185,537 km (0.097 R)
• M10: 3,875,034 km (0.091 R)
• M11: 4,255,311 km (0.108 R)
• M12: 5,219,470 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.4

Radius: 8.1

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.92 AU - 0.94 AU

Year: 619 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,569,924 km

• M1: 104,270 km (0.047 R)
• M2: 359,184 km (0.1 R)
• M3: 659,727 km (0.08 R)
• M4: 2,122,943 km (0.074 R)
• M5: 3,076,031 km (0.104 R)
• M6: 3,487,725 km (0.114 R)
• M7: 4,572,309 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 11.1

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.36 AU - 1.62 AU

Year: 1255 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,569,924 km

• M1: 138,079 km (0.092 R)
• M2: 493,523 km (0.117 R)
• M3: 857,196 km (0.041 R)
• M4: 1,276,369 km (0.089 R)
• M5: 1,707,809 km (0.098 R)
• M6: 2,340,608 km (0.06 R)
• M7: 2,738,688 km (0.107 R)
• M8: 3,452,270 km (0.051 R)
• M9: 3,954,321 km (0.103 R)
• M10: 6,396,506 km (0.049 R)
• M11: 6,855,472 km (0.074 R)
• M12: 7,571,896 km (0.079 R)
• M13: 8,141,415 km (0.087 R)
• M14: 8,536,802 km (0.091 R)
• M15: 11,428,230 km (0.1 R)
• M16: 11,960,799 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 10.4

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.39 AU - 2.03 AU

Year: 1543 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,569,924 km

• M1: 129,402 km (0.102 R)
• M2: 457,021 km (0.057 R)
• M3: 787,034 km (0.089 R)
• M4: 1,573,470 km (0.09 R)
• M5: 1,925,474 km (0.097 R)
• M6: 3,508,369 km (0.079 R)
• M7: 5,435,639 km (0.094 R)
• M8: 6,179,290 km (0.057 R)
• M9: 7,530,906 km (0.081 R)
• M10: 8,099,977 km (0.063 R)
• M11: 11,496,596 km (0.107 R)
• M12: 11,870,142 km (0.1 R)
• M13: 13,039,399 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 14.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.7 AU - 2.42 AU

Year: 2041 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,569,924 km

• M1: 189,690 km (0.058 R)
• M2: 708,645 km (0.04 R)
• M3: 1,191,098 km (0.103 R)
• M4: 2,314,129 km (0.03 R)
• M5: 2,947,826 km (0.077 R)
• M6: 3,948,037 km (0.114 R)
• M7: 4,447,096 km (0.09 R)
• M8: 5,230,839 km (0.082 R)
• M9: 6,434,504 km (0.105 R)
• M10: 6,964,978 km (0.083 R)
• M11: 7,467,327 km (0.092 R)
• M12: 8,482,798 km (0.108 R)
• M13: 9,758,867 km (0.105 R)
• M14: 10,353,669 km (0.057 R)
• M15: 10,972,555 km (0.109 R)
• M16: 12,085,563 km (0.102 R)
• M17: 12,608,408 km (0.079 R)
• M18: 13,484,902 km (0.098 R)
• M19: 14,446,218 km (0.09 R)
• M20: 15,925,741 km (0.065 R)
• M21: 16,408,194 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 14.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.4 AU - 2.86 AU

Year: 2944 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,569,924 km

• M1: 180,714 km (0.078 R)
• M2: 1,185,414 km (0.081 R)
• M3: 1,776,325 km (0.071 R)
• M4: 2,424,383 km (0.117 R)
• M5: 3,227,724 km (0.027 R)
• M6: 5,171,898 km (0.089 R)
• M7: 5,771,785 km (0.09 R)
• M8: 6,351,327 km (0.092 R)
• M9: 7,305,612 km (0.082 R)
• M10: 7,959,205 km (0.111 R)
• M11: 9,735,231 km (0.084 R)
• M12: 10,558,917 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.9

Radius: 9.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.24 AU - 4.28 AU

Year: 5033 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,569,924 km

• M1: 121,922 km (0.066 R)
• M2: 562,039 km (0.109 R)
• M3: 979,567 km (0.068 R)
• M4: 2,308,146 km (0.078 R)
• M5: 3,474,111 km (0.12 R)
• M6: 4,069,511 km (0.083 R)
• M7: 4,994,475 km (0.098 R)
• M8: 5,607,527 km (0.108 R)
• M9: 6,816,876 km (0.106 R)
• M10: 7,360,365 km (0.073 R)
• M11: 10,389,722 km (0.115 R)
• M12: 11,911,431 km (0.09 R)
• M13: 13,211,138 km (0.087 R)
• M14: 16,148,941 km (0.073 R)
• M15: 18,119,444 km (0.107 R)
• M16: 23,432,412 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.7

Radius: 14

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.48 AU - 4.14 AU

Year: 5133 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,569,924 km

• M1: 174,132 km (0.077 R)
• M2: 700,866 km (0.104 R)
• M3: 1,164,769 km (0.055 R)
• M4: 1,829,732 km (0.067 R)
• M5: 3,646,299 km (0.087 R)
• M6: 5,512,382 km (0.113 R)
• M7: 5,957,885 km (0.066 R)
• M8: 7,548,559 km (0.084 R)
• M9: 8,598,736 km (0.108 R)
• M10: 11,269,208 km (0.074 R)
• M11: 12,640,272 km (0.102 R)
• M12: 14,340,452 km (0.099 R)
• M13: 15,015,886 km (0.05 R)
• M14: 18,782,461 km (0.069 R)
• M15: 19,866,298 km (0.076 R)
• M16: 21,789,079 km (0.105 R)
• M17: 23,755,244 km (0.088 R)
• M18: 25,590,810 km (0.108 R)
• M19: 28,651,283 km (0.107 R)
• M20: 29,723,601 km (0.08 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: 470 - 18,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit