🌌 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: 263.3

Radius: 13

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.64 AU - 1.04 AU

Year: 505 Days

Day: 9.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,814,626 km

• M1: 161,865 km (0.085 R)
• M2: 627,114 km (0.084 R)
• M3: 1,252,733 km (0.07 R)
• M4: 2,336,270 km (0.112 R)
• M5: 3,685,643 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 8.1

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.24 AU - 2.78 AU

Year: 2609 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,814,626 km

• M1: 101,128 km (0.102 R)
• M2: 360,830 km (0.09 R)
• M3: 672,143 km (0.103 R)
• M4: 1,210,097 km (0.067 R)
• M5: 1,617,751 km (0.069 R)
• M6: 2,585,201 km (0.071 R)
• M7: 2,854,028 km (0.118 R)
• M8: 3,106,699 km (0.099 R)
• M9: 3,915,724 km (0.101 R)
• M10: 4,358,833 km (0.115 R)
• M11: 4,626,613 km (0.088 R)
• M12: 5,025,142 km (0.117 R)
• M13: 5,446,260 km (0.066 R)
• M14: 5,784,052 km (0.081 R)
• M15: 6,972,009 km (0.11 R)
• M16: 7,655,671 km (0.082 R)
• M17: 8,383,016 km (0.118 R)
• M18: 8,693,581 km (0.117 R)
• M19: 11,005,317 km (0.058 R)
• M20: 12,862,425 km (0.112 R)
• M21: 14,033,178 km (0.06 R)
• M22: 14,520,867 km (0.082 R)
• M23: 15,633,576 km (0.114 R)
• M24: 16,856,389 km (0.074 R)
• M25: 17,631,306 km (0.087 R)
• M26: 17,913,747 km (0.116 R)
• M27: 20,469,028 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 10.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.72 AU - 3.56 AU

Year: 3650 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,814,626 km

• M1: 137,929 km (0.08 R)
• M2: 562,189 km (0.104 R)
• M3: 1,050,327 km (0.065 R)
• M4: 1,516,773 km (0.106 R)
• M5: 2,104,842 km (0.034 R)
• M6: 2,507,859 km (0.104 R)
• M7: 3,219,047 km (0.086 R)
• M8: 3,993,366 km (0.115 R)
• M9: 4,401,319 km (0.102 R)
• M10: 4,762,448 km (0.063 R)
• M11: 5,222,013 km (0.071 R)
• M12: 6,875,967 km (0.12 R)
• M13: 8,372,694 km (0.053 R)
• M14: 15,216,347 km (0.09 R)
• M15: 15,989,768 km (0.077 R)
• M16: 16,329,206 km (0.09 R)
• M17: 17,436,081 km (0.112 R)
• M18: 22,791,984 km (0.063 R)
• M19: 23,366,888 km (0.109 R)
• M20: 24,470,920 km (0.073 R)
• M21: 25,532,467 km (0.041 R)
• M22: 26,074,610 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 13.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.11 AU - 4.47 AU

Year: 4840 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,814,626 km

• M1: 176,077 km (0.062 R)
• M2: 667,506 km (0.103 R)
• M3: 2,585,051 km (0.081 R)
• M4: 3,120,462 km (0.053 R)
• M5: 3,752,214 km (0.091 R)
• M6: 4,318,143 km (0.097 R)
• M7: 4,753,024 km (0.114 R)
• M8: 5,682,026 km (0.118 R)
• M9: 6,174,353 km (0.088 R)
• M10: 6,728,763 km (0.097 R)
• M11: 7,862,864 km (0.072 R)
• M12: 8,358,631 km (0.085 R)
• M13: 8,834,801 km (0.067 R)
• M14: 11,158,655 km (0.103 R)
• M15: 12,693,379 km (0.096 R)
• M16: 15,049,546 km (0.102 R)
• M17: 16,178,262 km (0.06 R)
• M18: 16,670,140 km (0.051 R)
• M19: 19,008,653 km (0.085 R)
• M20: 21,337,294 km (0.114 R)
• M21: 21,780,403 km (0.112 R)
• M22: 28,290,453 km (0.098 R)
• M23: 28,825,415 km (0.086 R)
• M24: 30,007,837 km (0.101 R)
• M25: 32,664,246 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 14.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.97 AU - 4.31 AU

Year: 5526 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,814,626 km

• M1: 179,368 km (0.096 R)
• M2: 655,239 km (0.094 R)
• M3: 1,197,830 km (0.092 R)
• M4: 1,760,019 km (0.114 R)
• M5: 2,922,095 km (0.115 R)
• M6: 3,585,113 km (0.101 R)
• M7: 4,754,370 km (0.085 R)
• M8: 5,384,925 km (0.119 R)
• M9: 7,191,319 km (0.089 R)
• M10: 8,484,742 km (0.099 R)
• M11: 10,503,865 km (0.051 R)
• M12: 11,196,054 km (0.11 R)
• M13: 11,820,476 km (0.12 R)
• M14: 14,107,977 km (0.081 R)
• M15: 16,431,531 km (0.115 R)
• M16: 16,987,586 km (0.079 R)
• M17: 18,665,177 km (0.055 R)
• M18: 19,959,198 km (0.118 R)
• M19: 21,531,322 km (0.11 R)
• M20: 24,121,460 km (0.101 R)
• M21: 25,164,606 km (0.051 R)
• M22: 27,773,443 km (0.118 R)
• M23: 31,779,076 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 8.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.67 AU - 5.95 AU

Year: 6920 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,814,626 km

• M1: 100,979 km (0.089 R)
• M2: 413,638 km (0.05 R)
• M3: 1,104,780 km (0.104 R)
• M4: 1,573,470 km (0.081 R)
• M5: 1,993,242 km (0.113 R)
• M6: 2,371,725 km (0.084 R)
• M7: 2,779,678 km (0.094 R)
• M8: 3,057,930 km (0.109 R)
• M9: 5,589,425 km (0.107 R)
• M10: 7,765,625 km (0.109 R)
• M11: 8,245,236 km (0.106 R)
• M12: 9,677,187 km (0.113 R)
• M13: 10,585,246 km (0.088 R)
• M14: 12,923,162 km (0.088 R)
• M15: 13,491,933 km (0.091 R)
• M16: 14,958,441 km (0.097 R)
• M17: 19,720,291 km (0.061 R)
• M18: 24,532,704 km (0.049 R)
• M19: 27,461,681 km (0.12 R)
• M20: 29,894,890 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.5

Radius: 6.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.47 AU - 13.11 AU

Year: 23251 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,814,626 km

• M1: 166,802 km (0.112 R)
• M2: 532,269 km (0.119 R)
• M3: 760,256 km (0.089 R)
• M4: 1,022,053 km (0.116 R)
• M5: 2,268,801 km (0.079 R)
• M6: 2,544,809 km (0.071 R)
• M7: 2,932,567 km (0.109 R)
• M8: 3,383,904 km (0.074 R)
• M9: 5,735,732 km (0.1 R)
• M10: 7,714,762 km (0.113 R)
• M11: 7,979,401 km (0.087 R)
• M12: 9,394,447 km (0.055 R)
• M13: 10,372,817 km (0.039 R)
• M14: 10,859,309 km (0.117 R)
• M15: 11,135,916 km (0.103 R)
• M16: 11,360,761 km (0.119 R)
• M17: 15,872,932 km (0.067 R)
• M18: 17,107,414 km (0.062 R)
• M19: 19,037,077 km (0.078 R)
• M20: 22,330,025 km (0.099 R)
• M21: 24,440,103 km (0.115 R)
• M22: 24,915,675 km (0.096 R)
• M23: 26,981,173 km (0.116 R)
• M24: 28,420,005 km (0.096 R)
• M25: 31,673,908 km (0.095 R)
• M26: 35,530,841 km (0.074 R)
• M27: 36,634,574 km (0.111 R)
• M28: 37,508,824 km (0.089 R)
• M29: 45,009,063 km (0.109 R)
• M30: 46,156,029 km (0.074 R)
• M31: 49,561,924 km (0.09 R)
• M32: 49,865,757 km (0.101 R)
• M33: 52,498,830 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 13,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit