🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.1

Radius: 12.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.97 AU - 1.25 AU

Year: 807 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,807,427 km

• M1: 150,495 km (0.09 R)
• M2: 611,706 km (0.12 R)
• M3: 1,134,550 km (0.084 R)
• M4: 1,565,691 km (0.098 R)
• M5: 2,117,259 km (0.075 R)
• M6: 2,772,049 km (0.067 R)
• M7: 3,262,281 km (0.101 R)
• M8: 3,948,935 km (0.101 R)
• M9: 4,963,059 km (0.101 R)
• M10: 5,811,728 km (0.118 R)
• M11: 6,292,535 km (0.071 R)
• M12: 7,028,856 km (0.1 R)
• M13: 7,430,077 km (0.118 R)
• M14: 8,150,092 km (0.109 R)
• M15: 8,620,129 km (0.116 R)
• M16: 9,218,969 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 13.9

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.38 AU - 2.22 AU

Year: 1667 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,807,427 km

• M1: 172,935 km (0.081 R)
• M2: 744,100 km (0.119 R)
• M3: 1,202,168 km (0.101 R)
• M4: 1,732,194 km (0.099 R)
• M5: 2,367,685 km (0.076 R)
• M6: 2,914,167 km (0.088 R)
• M7: 3,378,818 km (0.101 R)
• M8: 4,559,294 km (0.061 R)
• M9: 6,549,694 km (0.086 R)
• M10: 7,106,647 km (0.107 R)
• M11: 7,608,996 km (0.082 R)
• M12: 8,135,132 km (0.108 R)
• M13: 9,033,916 km (0.116 R)
• M14: 10,451,954 km (0.097 R)
• M15: 11,214,305 km (0.083 R)
• M16: 11,742,984 km (0.083 R)
• M17: 12,367,555 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 13.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.88 AU - 1.96 AU

Year: 1836 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,807,427 km

• M1: 170,990 km (0.098 R)
• M2: 796,010 km (0.041 R)
• M3: 1,292,376 km (0.108 R)
• M4: 2,564,855 km (0.1 R)
• M5: 3,892,387 km (0.069 R)
• M6: 4,532,965 km (0.079 R)
• M7: 5,243,256 km (0.111 R)
• M8: 5,878,598 km (0.082 R)
• M9: 6,724,574 km (0.104 R)
• M10: 7,446,982 km (0.118 R)
• M11: 8,916,781 km (0.111 R)
• M12: 11,129,184 km (0.114 R)
• M13: 11,744,929 km (0.1 R)
• M14: 12,383,413 km (0.097 R)
• M15: 14,438,887 km (0.102 R)
• M16: 15,453,161 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 10.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.91 AU - 2.17 AU

Year: 2011 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,807,427 km

• M1: 126,859 km (0.097 R)
• M2: 527,183 km (0.083 R)
• M3: 1,352,365 km (0.048 R)
• M4: 2,917,009 km (0.069 R)
• M5: 3,284,870 km (0.067 R)
• M6: 5,720,772 km (0.112 R)
• M7: 6,652,617 km (0.068 R)
• M8: 7,788,364 km (0.095 R)
• M9: 9,620,190 km (0.12 R)
• M10: 11,513,800 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 8.3

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.91 AU - 2.51 AU

Year: 2268 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,807,427 km

• M1: 103,372 km (0.044 R)
• M2: 644,318 km (0.055 R)
• M3: 1,089,372 km (0.061 R)
• M4: 1,504,955 km (0.076 R)
• M5: 1,917,845 km (0.108 R)
• M6: 2,758,585 km (0.096 R)
• M7: 3,146,941 km (0.111 R)
• M8: 3,807,116 km (0.112 R)
• M9: 4,130,996 km (0.108 R)
• M10: 4,683,161 km (0.079 R)
• M11: 5,330,172 km (0.066 R)
• M12: 10,858,561 km (0.108 R)
• M13: 11,512,155 km (0.098 R)
• M14: 17,096,942 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 14.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.49 AU - 2.85 AU

Year: 3011 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,807,427 km

• M1: 179,218 km (0.108 R)
• M2: 630,106 km (0.075 R)
• M3: 1,269,637 km (0.111 R)
• M4: 2,283,911 km (0.086 R)
• M5: 2,976,100 km (0.098 R)
• M6: 3,787,519 km (0.051 R)
• M7: 4,314,702 km (0.091 R)
• M8: 4,848,168 km (0.109 R)
• M9: 5,311,024 km (0.111 R)
• M10: 6,199,336 km (0.096 R)
• M11: 7,128,787 km (0.071 R)
• M12: 8,210,380 km (0.08 R)
• M13: 9,365,275 km (0.104 R)
• M14: 10,444,325 km (0.108 R)
• M15: 10,920,794 km (0.086 R)
• M16: 12,357,383 km (0.102 R)
• M17: 13,184,509 km (0.117 R)
• M18: 13,785,444 km (0.088 R)
• M19: 14,404,480 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 14.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.62 AU - 4.32 AU

Year: 4462 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 154.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,807,427 km

• M1: 176,825 km (0.089 R)
• M2: 790,475 km (0.041 R)
• M3: 1,360,742 km (0.103 R)
• M4: 1,911,262 km (0.059 R)
• M5: 2,658,504 km (0.105 R)
• M6: 3,398,714 km (0.087 R)
• M7: 3,944,896 km (0.106 R)
• M8: 5,694,892 km (0.11 R)
• M9: 7,024,817 km (0.09 R)
• M10: 7,746,327 km (0.113 R)
• M11: 9,222,858 km (0.1 R)
• M12: 9,967,557 km (0.114 R)
• M13: 10,922,440 km (0.053 R)
• M14: 11,533,098 km (0.109 R)
• M15: 13,159,825 km (0.09 R)
• M16: 15,416,061 km (0.106 R)
• M17: 16,241,093 km (0.086 R)
• M18: 16,922,212 km (0.032 R)
• M19: 17,681,421 km (0.069 R)
• M20: 19,142,843 km (0.116 R)
• M21: 20,355,782 km (0.098 R)
• M22: 22,653,456 km (0.086 R)
• M23: 23,432,562 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 13.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.34 AU - 3.66 AU

Year: 4520 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,807,427 km

• M1: 170,392 km (0.113 R)
• M2: 697,126 km (0.075 R)
• M3: 1,292,825 km (0.074 R)
• M4: 3,520,337 km (0.041 R)
• M5: 4,215,219 km (0.057 R)
• M6: 4,973,531 km (0.104 R)
• M7: 6,729,660 km (0.065 R)
• M8: 7,480,642 km (0.091 R)
• M9: 8,024,131 km (0.068 R)
• M10: 8,750,428 km (0.095 R)
• M11: 9,772,481 km (0.097 R)
• M12: 10,736,340 km (0.083 R)
• M13: 11,288,356 km (0.058 R)
• M14: 12,904,612 km (0.117 R)
• M15: 13,902,579 km (0.083 R)
• M16: 15,640,457 km (0.085 R)
• M17: 16,713,972 km (0.034 R)
• M18: 17,206,448 km (0.107 R)
• M19: 17,963,563 km (0.118 R)
• M20: 20,368,648 km (0.106 R)
• M21: 22,605,585 km (0.11 R)
• M22: 25,646,760 km (0.073 R)
• M23: 29,662,565 km (0.113 R)
• M24: 30,476,677 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.4

Radius: 13.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.01 AU - 4.69 AU

Year: 5214 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,807,427 km

• M1: 201,508 km (0.094 R)
• M2: 784,641 km (0.099 R)
• M3: 1,638,097 km (0.087 R)
• M4: 2,357,513 km (0.111 R)
• M5: 3,701,201 km (0.109 R)
• M6: 5,656,295 km (0.11 R)
• M7: 7,303,817 km (0.099 R)
• M8: 8,112,393 km (0.118 R)
• M9: 9,069,820 km (0.055 R)
• M10: 11,775,148 km (0.093 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.6

Radius: 13.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.59 AU - 5.73 AU

Year: 8091 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,807,427 km

• M1: 203,453 km (0.116 R)
• M2: 926,460 km (0.116 R)
• M3: 1,426,715 km (0.112 R)
• M4: 2,404,636 km (0.068 R)
• M5: 3,202,741 km (0.075 R)
• M6: 4,254,713 km (0.074 R)
• M7: 4,896,039 km (0.09 R)
• M8: 5,833,270 km (0.12 R)
• M9: 7,094,081 km (0.119 R)
• M10: 8,803,535 km (0.115 R)
• M11: 9,226,000 km (0.113 R)
• M12: 9,847,878 km (0.076 R)
• M13: 10,536,627 km (0.067 R)
• M14: 13,021,597 km (0.114 R)
• M15: 16,186,490 km (0.103 R)
• M16: 16,768,725 km (0.076 R)
• M17: 19,832,339 km (0.12 R)
• M18: 20,622,216 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 16,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit