🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 11.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.91 AU - 1.15 AU

Year: 686 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,270,148 km

• M1: 138,079 km (0.079 R)
• M2: 696,528 km (0.086 R)
• M3: 1,213,538 km (0.081 R)
• M4: 1,862,344 km (0.112 R)
• M5: 2,670,920 km (0.037 R)
• M6: 3,926,196 km (0.025 R)
• M7: 4,366,463 km (0.11 R)
• M8: 5,158,284 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 12.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.01 AU - 1.47 AU

Year: 906 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 75.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,270,148 km

• M1: 164,408 km (0.071 R)
• M2: 573,857 km (0.025 R)
• M3: 1,210,546 km (0.105 R)
• M4: 1,655,600 km (0.099 R)
• M5: 2,183,531 km (0.12 R)
• M6: 2,638,906 km (0.101 R)
• M7: 3,744,883 km (0.085 R)
• M8: 5,240,563 km (0.106 R)
• M9: 5,880,094 km (0.109 R)
• M10: 6,571,086 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 8.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.05 AU - 2.27 AU

Year: 2083 Days

Day: 9.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,270,148 km

• M1: 104,419 km (0.092 R)
• M2: 397,033 km (0.091 R)
• M3: 867,967 km (0.056 R)
• M4: 1,305,989 km (0.053 R)
• M5: 1,822,850 km (0.082 R)
• M6: 2,381,748 km (0.119 R)
• M7: 3,155,169 km (0.067 R)
• M8: 4,675,382 km (0.112 R)
• M9: 5,126,569 km (0.073 R)
• M10: 6,021,464 km (0.11 R)
• M11: 7,255,198 km (0.065 R)
• M12: 8,410,392 km (0.095 R)
• M13: 8,770,624 km (0.118 R)
• M14: 10,046,245 km (0.055 R)
• M15: 10,939,045 km (0.089 R)
• M16: 11,846,506 km (0.044 R)
• M17: 12,376,232 km (0.09 R)
• M18: 13,442,117 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 11

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.14 AU - 2.4 AU

Year: 2244 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,270,148 km

• M1: 136,732 km (0.074 R)
• M2: 516,711 km (0.057 R)
• M3: 872,904 km (0.112 R)
• M4: 1,544,299 km (0.118 R)
• M5: 2,641,300 km (0.043 R)
• M6: 3,160,853 km (0.076 R)
• M7: 4,104,666 km (0.108 R)
• M8: 5,447,008 km (0.103 R)
• M9: 6,721,283 km (0.113 R)
• M10: 7,893,681 km (0.062 R)
• M11: 10,222,770 km (0.039 R)
• M12: 11,140,254 km (0.072 R)
• M13: 12,896,683 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 8.7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.76 AU - 3.38 AU

Year: 3529 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,270,148 km

• M1: 108,159 km (0.087 R)
• M2: 1,186,910 km (0.097 R)
• M3: 1,595,162 km (0.078 R)
• M4: 2,188,018 km (0.11 R)
• M5: 2,743,326 km (0.029 R)
• M6: 3,020,830 km (0.099 R)
• M7: 4,368,258 km (0.115 R)
• M8: 5,175,189 km (0.112 R)
• M9: 6,410,718 km (0.099 R)
• M10: 7,767,869 km (0.116 R)
• M11: 11,080,415 km (0.077 R)
• M12: 11,493,904 km (0.113 R)
• M13: 11,917,565 km (0.114 R)
• M14: 13,022,644 km (0.112 R)
• M15: 14,002,510 km (0.094 R)
• M16: 15,588,996 km (0.043 R)
• M17: 16,213,716 km (0.064 R)
• M18: 17,291,868 km (0.078 R)
• M19: 17,680,224 km (0.119 R)
• M20: 18,131,262 km (0.045 R)
• M21: 19,056,375 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 14.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.02 AU - 4.76 AU

Year: 5033 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,270,148 km

• M1: 175,329 km (0.118 R)
• M2: 679,324 km (0.109 R)
• M3: 1,226,403 km (0.087 R)
• M4: 1,974,841 km (0.082 R)
• M5: 2,617,963 km (0.063 R)
• M6: 5,234,579 km (0.09 R)
• M7: 6,559,567 km (0.113 R)
• M8: 7,877,525 km (0.101 R)
• M9: 8,550,266 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 12.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.76 AU - 5.86 AU

Year: 6920 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,270,148 km

• M1: 153,188 km (0.058 R)
• M2: 708,645 km (0.106 R)
• M3: 1,178,233 km (0.065 R)
• M4: 1,659,788 km (0.1 R)
• M5: 2,072,529 km (0.1 R)
• M6: 2,519,976 km (0.048 R)
• M7: 3,251,959 km (0.057 R)
• M8: 4,025,380 km (0.092 R)
• M9: 4,945,107 km (0.091 R)
• M10: 5,338,849 km (0.113 R)
• M11: 6,547,899 km (0.097 R)
• M12: 7,706,983 km (0.047 R)
• M13: 8,277,101 km (0.083 R)
• M14: 8,957,023 km (0.07 R)
• M15: 9,587,728 km (0.08 R)
• M16: 10,383,439 km (0.112 R)
• M17: 12,056,092 km (0.085 R)
• M18: 13,036,108 km (0.101 R)
• M19: 14,805,701 km (0.097 R)
• M20: 15,808,456 km (0.042 R)
• M21: 16,918,921 km (0.118 R)
• M22: 22,187,159 km (0.048 R)
• M23: 23,342,504 km (0.096 R)
• M24: 25,356,689 km (0.114 R)
• M25: 26,619,445 km (0.096 R)
• M26: 27,049,689 km (0.038 R)
• M27: 28,546,864 km (0.105 R)
• M28: 30,098,493 km (0.113 R)
• M29: 32,189,273 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 16,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit