🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 14.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.72 AU - 0.9 AU

Year: 486 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,067,029 km

• M1: 179,069 km (0.116 R)
• M2: 745,147 km (0.105 R)
• M3: 1,195,437 km (0.081 R)
• M4: 1,759,720 km (0.119 R)
• M5: 3,008,264 km (0.118 R)
• M6: 3,545,619 km (0.065 R)
• M7: 4,147,152 km (0.116 R)
• M8: 4,692,287 km (0.118 R)
• M9: 5,819,956 km (0.119 R)
• M10: 6,372,121 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.3

Radius: 9.1

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.05 AU - 1.37 AU

Year: 888 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,067,029 km

• M1: 113,246 km (0.083 R)
• M2: 443,258 km (0.097 R)
• M3: 757,863 km (0.116 R)
• M4: 1,112,859 km (0.067 R)
• M5: 1,779,766 km (0.082 R)
• M6: 2,078,363 km (0.115 R)
• M7: 2,467,467 km (0.114 R)
• M8: 2,753,498 km (0.117 R)
• M9: 3,935,621 km (0.116 R)
• M10: 4,413,586 km (0.092 R)
• M11: 5,079,297 km (0.093 R)
• M12: 5,626,226 km (0.093 R)
• M13: 6,040,612 km (0.035 R)
• M14: 6,722,928 km (0.119 R)
• M15: 7,118,615 km (0.079 R)
• M16: 7,753,508 km (0.092 R)
• M17: 8,694,479 km (0.106 R)
• M18: 9,975,485 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 9.3

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.6 AU - 1.62 AU

Year: 1362 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,067,029 km

• M1: 115,789 km (0.079 R)
• M2: 415,732 km (0.111 R)
• M3: 1,024,147 km (0.103 R)
• M4: 2,184,279 km (0.111 R)
• M5: 3,041,774 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 9.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.35 AU - 2.21 AU

Year: 1584 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,067,029 km

• M1: 116,986 km (0.117 R)
• M2: 417,228 km (0.035 R)
• M3: 807,829 km (0.109 R)
• M4: 1,146,817 km (0.098 R)
• M5: 1,573,171 km (0.109 R)
• M6: 1,930,860 km (0.051 R)
• M7: 2,773,993 km (0.119 R)
• M8: 3,159,507 km (0.066 R)
• M9: 3,876,679 km (0.052 R)
• M10: 4,607,614 km (0.107 R)
• M11: 6,012,039 km (0.064 R)
• M12: 7,455,210 km (0.096 R)
• M13: 7,966,386 km (0.061 R)
• M14: 8,284,281 km (0.068 R)
• M15: 8,805,031 km (0.112 R)
• M16: 9,821,100 km (0.064 R)
• M17: 10,720,782 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 14.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.26 AU - 4.5 AU

Year: 5097 Days

Day: 7.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,067,029 km

• M1: 185,651 km (0.048 R)
• M2: 733,628 km (0.119 R)
• M3: 1,533,079 km (0.105 R)
• M4: 2,149,273 km (0.068 R)
• M5: 2,666,732 km (0.104 R)
• M6: 3,209,772 km (0.093 R)
• M7: 4,328,764 km (0.109 R)
• M8: 5,273,624 km (0.09 R)
• M9: 5,781,210 km (0.096 R)
• M10: 6,797,278 km (0.102 R)
• M11: 7,608,847 km (0.088 R)
• M12: 9,425,863 km (0.076 R)
• M13: 11,751,960 km (0.098 R)
• M14: 12,622,769 km (0.11 R)
• M15: 15,666,338 km (0.115 R)
• M16: 18,075,013 km (0.1 R)
• M17: 20,104,607 km (0.115 R)
• M18: 21,279,998 km (0.037 R)
• M19: 22,721,074 km (0.1 R)
• M20: 24,925,100 km (0.098 R)
• M21: 28,536,093 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.1

Radius: 5.4

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.03 AU - 6.59 AU

Year: 10570 Days

Day: 19.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,067,029 km

• M1: 67,319 km (0.109 R)
• M2: 448,345 km (0.09 R)
• M3: 1,270,385 km (0.113 R)
• M4: 1,478,625 km (0.076 R)
• M5: 1,667,268 km (0.108 R)
• M6: 2,403,589 km (0.096 R)
• M7: 3,497,748 km (0.073 R)
• M8: 3,687,887 km (0.086 R)
• M9: 4,381,123 km (0.105 R)
• M10: 5,249,240 km (0.078 R)
• M11: 6,506,759 km (0.046 R)
• M12: 7,592,391 km (0.067 R)
• M13: 10,068,984 km (0.114 R)
• M14: 11,990,269 km (0.094 R)
• M15: 14,688,117 km (0.089 R)
• M16: 16,341,922 km (0.11 R)
• M17: 17,695,483 km (0.108 R)
• M18: 17,974,932 km (0.114 R)
• M19: 19,122,348 km (0.105 R)
• M20: 19,639,208 km (0.116 R)
• M21: 21,561,840 km (0.102 R)
• M22: 21,880,633 km (0.09 R)
• M23: 22,691,454 km (0.058 R)
• M24: 24,805,870 km (0.087 R)
• M25: 29,617,536 km (0.026 R)
• M26: 30,110,611 km (0.079 R)
• M27: 34,145,864 km (0.107 R)
• M28: 35,900,647 km (0.1 R)
• M29: 37,255,555 km (0.057 R)
• M30: 38,177,526 km (0.04 R)
• M31: 39,947,119 km (0.08 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 10,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit