🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 8.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.7 AU - 0.78 AU

Year: 411 Days

Day: 14.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,809,049 km

• M1: 103,522 km (0.118 R)
• M2: 409,001 km (0.115 R)
• M3: 726,447 km (0.079 R)
• M4: 1,127,669 km (0.106 R)
• M5: 1,561,203 km (0.109 R)
• M6: 2,001,470 km (0.052 R)
• M7: 2,264,014 km (0.109 R)
• M8: 2,782,072 km (0.113 R)
• M9: 3,498,795 km (0.104 R)
• M10: 4,166,749 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.83 AU - 1.33 AU

Year: 725 Days

Day: 9.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,809,049 km

• M1: 148,251 km (0.106 R)
• M2: 451,486 km (0.091 R)
• M3: 780,901 km (0.085 R)
• M4: 1,288,786 km (0.07 R)
• M5: 1,655,600 km (0.114 R)
• M6: 2,072,230 km (0.037 R)
• M7: 3,039,829 km (0.039 R)
• M8: 3,682,800 km (0.075 R)
• M9: 4,202,354 km (0.097 R)
• M10: 5,000,309 km (0.096 R)
• M11: 5,579,552 km (0.119 R)
• M12: 6,542,364 km (0.113 R)
• M13: 7,493,058 km (0.086 R)
• M14: 8,404,408 km (0.117 R)
• M15: 8,820,739 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 12.1

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.99 AU - 1.47 AU

Year: 881 Days

Day: 14.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,809,049 km

• M1: 150,944 km (0.116 R)
• M2: 674,686 km (0.111 R)
• M3: 1,097,001 km (0.055 R)
• M4: 1,675,047 km (0.113 R)
• M5: 3,011,854 km (0.084 R)
• M6: 3,408,887 km (0.045 R)
• M7: 4,532,666 km (0.075 R)
• M8: 5,462,117 km (0.112 R)
• M9: 5,888,771 km (0.115 R)
• M10: 6,447,967 km (0.108 R)
• M11: 7,042,170 km (0.057 R)
• M12: 8,908,104 km (0.034 R)
• M13: 9,617,049 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 13.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.37 AU - 1.49 AU

Year: 1104 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,809,049 km

• M1: 164,109 km (0.109 R)
• M2: 579,093 km (0.087 R)
• M3: 1,432,250 km (0.1 R)
• M4: 1,921,285 km (0.104 R)
• M5: 2,421,092 km (0.107 R)
• M6: 3,046,710 km (0.076 R)
• M7: 3,541,430 km (0.102 R)
• M8: 4,154,034 km (0.059 R)
• M9: 5,455,236 km (0.074 R)
• M10: 6,896,911 km (0.082 R)
• M11: 7,756,500 km (0.069 R)
• M12: 9,318,302 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.7

Radius: 9.1

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.58 AU - 2.2 AU

Year: 1678 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,809,049 km

• M1: 113,096 km (0.069 R)
• M2: 415,284 km (0.105 R)
• M3: 825,331 km (0.048 R)
• M4: 1,198,728 km (0.104 R)
• M5: 1,643,781 km (0.096 R)
• M6: 2,076,867 km (0.075 R)
• M7: 2,516,835 km (0.091 R)
• M8: 2,839,068 km (0.107 R)
• M9: 3,723,790 km (0.058 R)
• M10: 4,144,160 km (0.095 R)
• M11: 4,455,174 km (0.117 R)
• M12: 5,234,579 km (0.076 R)
• M13: 6,226,413 km (0.095 R)
• M14: 7,338,524 km (0.084 R)
• M15: 8,240,748 km (0.106 R)
• M16: 10,334,670 km (0.111 R)
• M17: 10,727,215 km (0.052 R)
• M18: 11,019,080 km (0.061 R)
• M19: 12,121,467 km (0.069 R)
• M20: 13,295,810 km (0.107 R)
• M21: 14,633,365 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 9.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.09 AU - 2.77 AU

Year: 2446 Days

Day: 9 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,809,049 km

• M1: 123,119 km (0.083 R)
• M2: 870,360 km (0.063 R)
• M3: 1,550,133 km (0.077 R)
• M4: 2,645,190 km (0.072 R)
• M5: 2,968,321 km (0.053 R)
• M6: 4,137,428 km (0.092 R)
• M7: 4,614,795 km (0.067 R)
• M8: 5,128,664 km (0.116 R)
• M9: 5,864,985 km (0.033 R)
• M10: 6,644,689 km (0.038 R)
• M11: 6,980,536 km (0.08 R)
• M12: 8,589,910 km (0.098 R)
• M13: 9,594,908 km (0.08 R)
• M14: 10,125,831 km (0.048 R)
• M15: 11,319,323 km (0.052 R)
• M16: 12,801,090 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.9

Radius: 11.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.76 AU - 3.16 AU

Year: 3288 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,809,049 km

• M1: 146,606 km (0.053 R)
• M2: 786,436 km (0.1 R)
• M3: 2,080,906 km (0.098 R)
• M4: 6,494,044 km (0.072 R)
• M5: 7,067,901 km (0.118 R)
• M6: 10,627,732 km (0.116 R)
• M7: 12,300,535 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 12

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.87 AU - 5.57 AU

Year: 6621 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,809,049 km

• M1: 158,873 km (0.115 R)
• M2: 748,139 km (0.046 R)
• M3: 1,203,664 km (0.113 R)
• M4: 1,601,146 km (0.092 R)
• M5: 2,162,736 km (0.08 R)
• M6: 3,140,658 km (0.103 R)
• M7: 4,075,944 km (0.096 R)
• M8: 4,570,365 km (0.092 R)
• M9: 5,244,602 km (0.029 R)
• M10: 6,691,214 km (0.11 R)
• M11: 7,381,757 km (0.064 R)
• M12: 7,930,333 km (0.025 R)
• M13: 8,388,701 km (0.111 R)
• M14: 13,031,171 km (0.11 R)
• M15: 14,840,258 km (0.033 R)
• M16: 17,250,729 km (0.056 R)
• M17: 17,956,980 km (0.103 R)
• M18: 18,749,251 km (0.041 R)
• M19: 20,474,713 km (0.115 R)
• M20: 21,706,950 km (0.09 R)
• M21: 22,834,769 km (0.111 R)
• M22: 25,206,942 km (0.069 R)
• M23: 25,949,546 km (0.042 R)
• M24: 31,562,608 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.8

Radius: 5.5

Gravity: 29.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.87 AU - 8.01 AU

Year: 14446 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,809,049 km

• M1: 102,624 km (0.035 R)
• M2: 352,153 km (0.097 R)
• M3: 1,870,422 km (0.088 R)
• M4: 2,056,672 km (0.106 R)
• M5: 4,088,659 km (0.112 R)
• M6: 6,649,775 km (0.111 R)
• M7: 7,776,995 km (0.1 R)
• M8: 13,429,999 km (0.114 R)
• M9: 15,068,694 km (0.085 R)
• M10: 23,955,556 km (0.094 R)
• M11: 26,677,040 km (0.047 R)
• M12: 27,554,282 km (0.098 R)
• M13: 28,563,769 km (0.053 R)
• M14: 31,862,252 km (0.109 R)
• M15: 33,224,640 km (0.115 R)
• M16: 34,884,279 km (0.087 R)
• M17: 43,263,854 km (0.057 R)
• M18: 44,932,917 km (0.085 R)
• M19: 46,173,383 km (0.09 R)
• M20: 63,076,596 km (0.103 R)
• M21: 66,210,222 km (0.119 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: 387 - 13,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit