🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.3

Radius: 11.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.88 AU - 1.2 AU

Year: 719 Days

Day: 13.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,043,462 km

• M1: 140,921 km (0.074 R)
• M2: 670,198 km (0.119 R)
• M3: 1,176,138 km (0.114 R)
• M4: 2,385,338 km (0.064 R)
• M5: 2,879,609 km (0.092 R)
• M6: 4,181,709 km (0.066 R)
• M7: 4,964,405 km (0.062 R)
• M8: 5,593,016 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 9.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.27 AU - 1.79 AU

Year: 1284 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,043,462 km

• M1: 113,545 km (0.078 R)
• M2: 660,624 km (0.105 R)
• M3: 1,139,337 km (0.037 R)
• M4: 1,526,497 km (0.118 R)
• M5: 4,250,674 km (0.105 R)
• M6: 5,330,023 km (0.081 R)
• M7: 5,813,224 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 10.4

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.64 AU - 2.1 AU

Year: 1734 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 53,043,462 km

• M1: 129,701 km (0.042 R)
• M2: 567,724 km (0.087 R)
• M3: 2,459,090 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 14.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.54 AU - 2.62 AU

Year: 2811 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,043,462 km

• M1: 177,573 km (0.075 R)
• M2: 751,879 km (0.093 R)
• M3: 1,260,063 km (0.117 R)
• M4: 2,079,560 km (0.072 R)
• M5: 2,858,367 km (0.066 R)
• M6: 3,841,973 km (0.089 R)
• M7: 5,638,493 km (0.114 R)
• M8: 8,546,676 km (0.102 R)
• M9: 9,336,702 km (0.102 R)
• M10: 9,879,144 km (0.088 R)
• M11: 10,818,469 km (0.059 R)
• M12: 11,561,522 km (0.097 R)
• M13: 12,414,080 km (0.116 R)
• M14: 13,468,147 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.6

Radius: 7.6

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.5 AU - 7.08 AU

Year: 10700 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,043,462 km

• M1: 94,995 km (0.102 R)
• M2: 397,930 km (0.112 R)
• M3: 1,006,794 km (0.029 R)
• M4: 1,263,354 km (0.087 R)
• M5: 1,621,192 km (0.084 R)
• M6: 1,945,072 km (0.09 R)
• M7: 2,220,481 km (0.055 R)
• M8: 2,682,888 km (0.099 R)
• M9: 4,317,694 km (0.065 R)
• M10: 5,007,041 km (0.118 R)
• M11: 5,872,016 km (0.056 R)
• M12: 6,602,502 km (0.117 R)
• M13: 7,108,891 km (0.082 R)
• M14: 8,067,963 km (0.103 R)
• M15: 9,640,087 km (0.044 R)
• M16: 11,351,337 km (0.114 R)
• M17: 14,251,890 km (0.111 R)
• M18: 14,508,600 km (0.079 R)
• M19: 16,392,336 km (0.075 R)
• M20: 16,674,029 km (0.092 R)
• M21: 17,392,697 km (0.105 R)
• M22: 18,057,061 km (0.106 R)
• M23: 19,991,063 km (0.098 R)
• M24: 21,382,472 km (0.057 R)
• M25: 23,903,346 km (0.091 R)
• M26: 26,907,421 km (0.066 R)
• M27: 28,499,890 km (0.051 R)
• M28: 30,365,226 km (0.107 R)
• M29: 31,871,378 km (0.118 R)
• M30: 40,027,453 km (0.091 R)
• M31: 40,538,779 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76

Radius: 7.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.57 AU - 8.91 AU

Year: 16043 Days

Day: 18.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,043,462 km

• M1: 98,735 km (0.085 R)
• M2: 360,381 km (0.088 R)
• M3: 1,003,802 km (0.044 R)
• M4: 1,396,795 km (0.106 R)
• M5: 2,391,771 km (0.078 R)
• M6: 2,941,992 km (0.108 R)
• M7: 4,074,597 km (0.113 R)
• M8: 6,107,483 km (0.087 R)
• M9: 6,491,201 km (0.118 R)
• M10: 6,993,551 km (0.055 R)
• M11: 7,813,497 km (0.116 R)
• M12: 8,420,864 km (0.084 R)
• M13: 8,936,977 km (0.054 R)
• M14: 9,474,033 km (0.081 R)
• M15: 21,176,327 km (0.073 R)
• M16: 23,112,123 km (0.09 R)
• M17: 30,260,956 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 5

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.34 AU - 10.08 AU

Year: 18957 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,043,462 km

• M1: 62,831 km (0.11 R)
• M2: 227,090 km (0.105 R)
• M3: 443,109 km (0.115 R)
• M4: 803,789 km (0.106 R)
• M5: 1,004,101 km (0.058 R)
• M6: 1,948,961 km (0.116 R)
• M7: 3,931,582 km (0.102 R)
• M8: 4,453,379 km (0.107 R)
• M9: 8,876,988 km (0.073 R)
• M10: 13,950,899 km (0.106 R)
• M11: 14,278,967 km (0.096 R)
• M12: 16,647,849 km (0.11 R)
• M13: 17,391,500 km (0.112 R)
• M14: 20,757,602 km (0.119 R)
• M15: 22,146,469 km (0.069 R)
• M16: 24,438,907 km (0.098 R)
• M17: 26,482,713 km (0.106 R)
• M18: 27,494,892 km (0.101 R)
• M19: 27,700,439 km (0.112 R)
• M20: 29,381,321 km (0.079 R)
• M21: 38,943,617 km (0.077 R)
• M22: 42,130,500 km (0.117 R)
• M23: 43,927,320 km (0.05 R)
• M24: 45,487,028 km (0.116 R)
• M25: 45,774,555 km (0.053 R)
• M26: 49,927,691 km (0.037 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 19,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit