🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 15

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.76 AU - 0.92 AU

Year: 531 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,244,200 km

• M1: 186,549 km (0.059 R)
• M2: 708,496 km (0.109 R)
• M3: 1,423,723 km (0.086 R)
• M4: 3,453,916 km (0.066 R)
• M5: 4,183,205 km (0.072 R)
• M6: 4,703,806 km (0.102 R)
• M7: 5,638,793 km (0.078 R)
• M8: 6,141,441 km (0.098 R)
• M9: 7,237,545 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 13.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.32 AU - 1.66 AU

Year: 1255 Days

Day: 15 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,244,200 km

• M1: 165,904 km (0.096 R)
• M2: 780,003 km (0.084 R)
• M3: 1,256,473 km (0.118 R)
• M4: 1,751,791 km (0.108 R)
• M5: 2,487,663 km (0.104 R)
• M6: 3,106,101 km (0.099 R)
• M7: 3,842,421 km (0.05 R)
• M8: 4,334,598 km (0.046 R)
• M9: 5,235,327 km (0.102 R)
• M10: 5,686,365 km (0.109 R)
• M11: 6,520,223 km (0.098 R)
• M12: 8,345,467 km (0.106 R)
• M13: 10,257,477 km (0.029 R)
• M14: 11,529,209 km (0.077 R)
• M15: 12,296,347 km (0.108 R)
• M16: 13,253,773 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 13.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.64 AU - 1.92 AU

Year: 1639 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,244,200 km

• M1: 169,195 km (0.054 R)
• M2: 673,938 km (0.096 R)
• M3: 1,222,963 km (0.116 R)
• M4: 1,688,362 km (0.115 R)
• M5: 2,296,926 km (0.083 R)
• M6: 3,006,917 km (0.049 R)
• M7: 3,595,884 km (0.081 R)
• M8: 4,171,537 km (0.117 R)
• M9: 4,788,777 km (0.098 R)
• M10: 5,574,316 km (0.091 R)
• M11: 6,160,291 km (0.104 R)
• M12: 6,737,290 km (0.071 R)
• M13: 7,245,623 km (0.091 R)
• M14: 7,670,631 km (0.107 R)
• M15: 8,541,889 km (0.032 R)
• M16: 9,077,449 km (0.111 R)
• M17: 10,957,446 km (0.12 R)
• M18: 11,412,223 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.9

Radius: 8.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.1 AU - 2.54 AU

Year: 2439 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,244,200 km

• M1: 110,702 km (0.115 R)
• M2: 388,057 km (0.115 R)
• M3: 713,432 km (0.1 R)
• M4: 1,153,848 km (0.066 R)
• M5: 1,572,124 km (0.12 R)
• M6: 2,114,117 km (0.096 R)
• M7: 2,449,516 km (0.101 R)
• M8: 2,988,517 km (0.053 R)
• M9: 3,766,575 km (0.073 R)
• M10: 4,066,818 km (0.1 R)
• M11: 4,589,214 km (0.118 R)
• M12: 5,269,884 km (0.101 R)
• M13: 6,219,831 km (0.086 R)
• M14: 6,560,615 km (0.071 R)
• M15: 7,569,802 km (0.116 R)
• M16: 8,019,643 km (0.068 R)
• M17: 9,374,700 km (0.106 R)
• M18: 9,858,500 km (0.074 R)
• M19: 10,615,315 km (0.06 R)
• M20: 13,034,014 km (0.081 R)
• M21: 13,812,671 km (0.113 R)
• M22: 14,123,834 km (0.102 R)
• M23: 15,085,150 km (0.081 R)
• M24: 16,335,040 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 14.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.65 AU - 3.07 AU

Year: 3339 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,244,200 km

• M1: 177,872 km (0.101 R)
• M2: 644,318 km (0.049 R)
• M3: 1,124,976 km (0.044 R)
• M4: 2,209,860 km (0.067 R)
• M5: 2,876,019 km (0.093 R)
• M6: 3,870,097 km (0.114 R)
• M7: 4,414,783 km (0.044 R)
• M8: 5,817,263 km (0.115 R)
• M9: 6,945,829 km (0.116 R)
• M10: 7,562,621 km (0.066 R)
• M11: 8,316,894 km (0.078 R)
• M12: 10,014,530 km (0.05 R)
• M13: 10,884,442 km (0.118 R)
• M14: 12,549,616 km (0.118 R)
• M15: 14,086,584 km (0.114 R)
• M16: 14,625,885 km (0.099 R)
• M17: 17,814,414 km (0.092 R)
• M18: 21,569,171 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 3.2

Gravity: 46.93 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.41 AU - 8.89 AU

Year: 13197 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,244,200 km

• M1: 39,793 km (0.044 R)
• M2: 177,273 km (0.059 R)
• M3: 774,468 km (0.105 R)
• M4: 960,718 km (0.097 R)
• M5: 1,314,666 km (0.104 R)
• M6: 1,913,656 km (0.054 R)
• M7: 9,723,562 km (0.087 R)
• M8: 10,934,856 km (0.055 R)
• M9: 13,088,767 km (0.062 R)
• M10: 13,652,302 km (0.075 R)
• M11: 24,526,272 km (0.093 R)
• M12: 24,809,311 km (0.119 R)
• M13: 25,189,888 km (0.11 R)
• M14: 31,485,714 km (0.097 R)
• M15: 32,495,201 km (0.106 R)
• M16: 32,950,726 km (0.093 R)
• M17: 39,394,206 km (0.08 R)
• M18: 40,434,360 km (0.111 R)
• M19: 42,163,412 km (0.082 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 16,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit