🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 12.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 11.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,677,023 km

• M1: 160,519 km (0.041 R)
• M2: 626,815 km (0.08 R)
• M3: 1,216,979 km (0.092 R)
• M4: 1,626,877 km (0.101 R)
• M5: 2,374,118 km (0.105 R)
• M6: 2,854,926 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 9.6

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.72 AU - 0.86 AU

Year: 468 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,677,023 km

• M1: 119,529 km (0.116 R)
• M2: 437,723 km (0.089 R)
• M3: 786,286 km (0.062 R)
• M4: 1,139,038 km (0.055 R)
• M5: 1,464,114 km (0.072 R)
• M6: 1,951,055 km (0.088 R)
• M7: 2,404,038 km (0.098 R)
• M8: 2,881,704 km (0.104 R)
• M9: 3,522,431 km (0.111 R)
• M10: 3,822,974 km (0.103 R)
• M11: 4,566,325 km (0.1 R)
• M12: 5,086,328 km (0.116 R)
• M13: 5,592,716 km (0.059 R)
• M14: 6,377,058 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.5

Radius: 9.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.7 AU - 0.94 AU

Year: 495 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,677,023 km

• M1: 120,875 km (0.117 R)
• M2: 529,128 km (0.111 R)
• M3: 1,186,610 km (0.103 R)
• M4: 1,714,392 km (0.075 R)
• M5: 2,016,430 km (0.072 R)
• M6: 2,688,274 km (0.057 R)
• M7: 3,860,074 km (0.098 R)
• M8: 4,158,222 km (0.078 R)
• M9: 4,530,422 km (0.101 R)
• M10: 5,178,929 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 10.4

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.19 AU - 1.41 AU

Year: 988 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,677,023 km

• M1: 130,001 km (0.107 R)
• M2: 659,427 km (0.075 R)
• M3: 1,042,847 km (0.05 R)
• M4: 1,380,788 km (0.094 R)
• M5: 1,990,400 km (0.113 R)
• M6: 2,341,805 km (0.091 R)
• M7: 3,158,161 km (0.119 R)
• M8: 3,536,942 km (0.112 R)
• M9: 4,219,707 km (0.076 R)
• M10: 4,734,025 km (0.086 R)
• M11: 5,081,092 km (0.092 R)
• M12: 5,623,683 km (0.092 R)
• M13: 6,801,916 km (0.065 R)
• M14: 7,221,388 km (0.037 R)
• M15: 7,633,231 km (0.106 R)
• M16: 7,958,607 km (0.108 R)
• M17: 8,293,407 km (0.07 R)
• M18: 9,213,733 km (0.112 R)
• M19: 9,844,737 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.2

Radius: 14

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.78 AU - 3.1 AU

Year: 3362 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,677,023 km

• M1: 176,077 km (0.063 R)
• M2: 663,018 km (0.116 R)
• M3: 1,779,915 km (0.095 R)
• M4: 2,215,694 km (0.108 R)
• M5: 2,710,713 km (0.102 R)
• M6: 3,279,784 km (0.117 R)
• M7: 8,542,188 km (0.081 R)
• M8: 9,083,284 km (0.079 R)
• M9: 10,068,685 km (0.112 R)
• M10: 11,588,599 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 10.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.18 AU - 4.66 AU

Year: 5176 Days

Day: 11 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,677,023 km

• M1: 128,654 km (0.066 R)
• M2: 915,539 km (0.117 R)
• M3: 1,855,612 km (0.104 R)
• M4: 2,785,662 km (0.12 R)
• M5: 3,561,925 km (0.053 R)
• M6: 4,429,443 km (0.029 R)
• M7: 4,838,444 km (0.117 R)
• M8: 7,709,676 km (0.096 R)
• M9: 10,476,788 km (0.069 R)
• M10: 14,936,001 km (0.075 R)
• M11: 15,693,415 km (0.06 R)
• M12: 18,981,127 km (0.098 R)
• M13: 19,934,066 km (0.086 R)
• M14: 20,389,741 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 9.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.91 AU - 5.69 AU

Year: 7013 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,677,023 km

• M1: 113,246 km (0.057 R)
• M2: 438,471 km (0.053 R)
• M3: 1,720,076 km (0.117 R)
• M4: 2,456,247 km (0.103 R)
• M5: 3,636,126 km (0.111 R)
• M6: 4,168,395 km (0.087 R)
• M7: 4,574,852 km (0.101 R)
• M8: 8,020,839 km (0.085 R)
• M9: 8,463,948 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 8.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.21 AU - 6.77 AU

Year: 8578 Days

Day: 12.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,677,023 km

• M1: 105,766 km (0.072 R)
• M2: 498,011 km (0.111 R)
• M3: 865,872 km (0.098 R)
• M4: 1,606,083 km (0.045 R)
• M5: 1,917,097 km (0.112 R)
• M6: 2,417,202 km (0.029 R)
• M7: 3,391,533 km (0.082 R)
• M8: 3,837,933 km (0.099 R)
• M9: 5,299,205 km (0.072 R)
• M10: 7,643,554 km (0.055 R)
• M11: 10,651,069 km (0.065 R)
• M12: 11,075,329 km (0.094 R)
• M13: 11,807,461 km (0.041 R)
• M14: 12,262,089 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.6

Radius: 5.4

Gravity: 33.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.24 AU - 8.04 AU

Year: 14082 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,677,023 km

• M1: 72,106 km (0.078 R)
• M2: 291,267 km (0.074 R)
• M3: 524,490 km (0.1 R)
• M4: 1,460,524 km (0.042 R)
• M5: 1,651,710 km (0.089 R)
• M6: 1,841,699 km (0.079 R)
• M7: 2,545,857 km (0.079 R)
• M8: 3,783,779 km (0.113 R)
• M9: 4,804,036 km (0.072 R)
• M10: 5,121,334 km (0.071 R)
• M11: 6,076,217 km (0.105 R)
• M12: 6,363,744 km (0.042 R)
• M13: 6,789,948 km (0.086 R)
• M14: 7,938,860 km (0.106 R)
• M15: 9,105,125 km (0.098 R)
• M16: 9,481,663 km (0.059 R)
• M17: 10,037,419 km (0.065 R)
• M18: 14,992,250 km (0.08 R)
• M19: 15,215,749 km (0.085 R)
• M20: 16,132,036 km (0.076 R)
• M21: 16,683,304 km (0.073 R)
• M22: 21,364,820 km (0.081 R)
• M23: 24,003,876 km (0.113 R)
• M24: 27,292,636 km (0.11 R)
• M25: 30,749,543 km (0.045 R)
• M26: 33,589,659 km (0.115 R)
• M27: 34,487,545 km (0.059 R)
• M28: 34,877,098 km (0.066 R)
• M29: 37,140,813 km (0.1 R)
• M30: 40,070,089 km (0.113 R)
• M31: 42,551,319 km (0.066 R)
• M32: 44,824,160 km (0.072 R)
• M33: 52,125,732 km (0.05 R)
• M34: 57,047,203 km (0.074 R)
• M35: 57,228,366 km (0.078 R)
• M36: 58,324,171 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.1

Radius: 7

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.13 AU - 9.83 AU

Year: 19464 Days

Day: 15.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,677,023 km

• M1: 90,058 km (0.051 R)
• M2: 317,447 km (0.061 R)
• M3: 551,268 km (0.067 R)
• M4: 960,119 km (0.045 R)
• M5: 1,280,259 km (0.085 R)
• M6: 1,621,491 km (0.093 R)
• M7: 1,858,006 km (0.102 R)
• M8: 2,216,292 km (0.098 R)
• M9: 2,509,055 km (0.118 R)
• M10: 2,733,901 km (0.045 R)
• M11: 3,329,151 km (0.107 R)
• M12: 4,284,782 km (0.12 R)
• M13: 4,911,896 km (0.106 R)
• M14: 6,429,716 km (0.119 R)
• M15: 6,767,209 km (0.039 R)
• M16: 7,898,468 km (0.083 R)
• M17: 8,736,516 km (0.093 R)
• M18: 8,993,974 km (0.111 R)
• M19: 10,357,857 km (0.09 R)
• M20: 12,950,688 km (0.111 R)
• M21: 13,489,539 km (0.051 R)
• M22: 14,396,701 km (0.091 R)
• M23: 14,974,747 km (0.07 R)
• M24: 19,462,833 km (0.057 R)
• M25: 21,540,448 km (0.052 R)
• M26: 22,200,922 km (0.116 R)
• M27: 30,500,163 km (0.031 R)
• M28: 37,320,031 km (0.083 R)
• M29: 40,083,852 km (0.118 R)
• M30: 40,509,757 km (0.079 R)
• M31: 43,726,560 km (0.084 R)
• M32: 45,090,294 km (0.096 R)
• M33: 47,109,716 km (0.057 R)
• M34: 48,542,564 km (0.091 R)
• M35: 51,662,428 km (0.07 R)
• M36: 52,167,021 km (0.097 R)
• M37: 56,322,252 km (0.078 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit