🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.5 AU - 0.78 AU

Year: 353 Days

Day: 7.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,039,947 km

• M1: 99,483 km (0.05 R)
• M2: 409,449 km (0.114 R)
• M3: 706,401 km (0.078 R)
• M4: 989,740 km (0.083 R)
• M5: 1,313,320 km (0.091 R)
• M6: 1,608,925 km (0.037 R)
• M7: 2,118,755 km (0.072 R)
• M8: 2,521,023 km (0.114 R)
• M9: 3,019,783 km (0.117 R)
• M10: 3,582,570 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 14.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.75 AU - 0.95 AU

Year: 541 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,039,947 km

• M1: 185,352 km (0.025 R)
• M2: 727,644 km (0.113 R)
• M3: 1,527,544 km (0.102 R)
• M4: 3,325,710 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 13.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.98 AU - 1.1 AU

Year: 732 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,039,947 km

• M1: 166,652 km (0.089 R)
• M2: 1,112,410 km (0.076 R)
• M3: 1,607,728 km (0.105 R)
• M4: 2,375,913 km (0.109 R)
• M5: 3,050,749 km (0.046 R)
• M6: 5,146,915 km (0.108 R)
• M7: 7,044,564 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.91 AU - 1.47 AU

Year: 896 Days

Day: 8.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,039,947 km

• M1: 184,005 km (0.102 R)
• M2: 693,536 km (0.119 R)
• M3: 1,577,958 km (0.099 R)
• M4: 2,408,077 km (0.095 R)
• M5: 3,598,577 km (0.117 R)
• M6: 4,807,477 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.1

Radius: 14

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.75 AU - 1.87 AU

Year: 1681 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,039,947 km

• M1: 174,132 km (0.038 R)
• M2: 613,950 km (0.102 R)
• M3: 1,216,530 km (0.118 R)
• M4: 1,682,527 km (0.115 R)
• M5: 2,418,549 km (0.074 R)
• M6: 2,905,789 km (0.101 R)
• M7: 3,345,906 km (0.077 R)
• M8: 4,211,479 km (0.052 R)
• M9: 4,965,453 km (0.092 R)
• M10: 5,645,824 km (0.12 R)
• M11: 7,112,930 km (0.109 R)
• M12: 8,514,064 km (0.041 R)
• M13: 10,263,461 km (0.093 R)
• M14: 12,555,300 km (0.092 R)
• M15: 13,403,820 km (0.079 R)
• M16: 14,376,655 km (0.096 R)
• M17: 14,947,071 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 12

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.8 AU - 2.82 AU

Year: 2423 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,039,947 km

• M1: 152,739 km (0.078 R)
• M2: 531,820 km (0.092 R)
• M3: 906,264 km (0.111 R)
• M4: 2,350,332 km (0.068 R)
• M5: 3,556,839 km (0.12 R)
• M6: 4,538,201 km (0.068 R)
• M7: 5,422,624 km (0.099 R)
• M8: 5,970,451 km (0.064 R)
• M9: 6,720,684 km (0.109 R)
• M10: 7,776,397 km (0.063 R)
• M11: 8,215,765 km (0.101 R)
• M12: 9,247,841 km (0.11 R)
• M13: 10,031,435 km (0.086 R)
• M14: 12,184,298 km (0.108 R)
• M15: 13,258,261 km (0.117 R)
• M16: 13,886,572 km (0.094 R)
• M17: 18,192,148 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 11.6

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.56 AU - 3.86 AU

Year: 3970 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,039,947 km

• M1: 145,708 km (0.1 R)
• M2: 515,065 km (0.08 R)
• M3: 1,555,070 km (0.103 R)
• M4: 2,237,386 km (0.104 R)
• M5: 3,091,590 km (0.09 R)
• M6: 3,773,905 km (0.094 R)
• M7: 4,267,279 km (0.118 R)
• M8: 6,220,429 km (0.093 R)
• M9: 6,591,133 km (0.101 R)
• M10: 7,141,653 km (0.107 R)
• M11: 8,709,887 km (0.087 R)
• M12: 10,197,040 km (0.107 R)
• M13: 11,847,104 km (0.115 R)
• M14: 13,771,980 km (0.087 R)
• M15: 14,565,148 km (0.099 R)
• M16: 15,897,167 km (0.083 R)
• M17: 17,921,077 km (0.079 R)
• M18: 19,124,143 km (0.094 R)
• M19: 19,844,756 km (0.079 R)
• M20: 21,550,022 km (0.071 R)
• M21: 23,277,129 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 9.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.69 AU - 3.77 AU

Year: 4007 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 133 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,039,947 km

• M1: 122,072 km (0.099 R)
• M2: 426,952 km (0.096 R)
• M3: 981,811 km (0.115 R)
• M4: 1,313,918 km (0.066 R)
• M5: 2,442,784 km (0.096 R)
• M6: 2,930,772 km (0.098 R)
• M7: 3,370,739 km (0.104 R)
• M8: 3,754,159 km (0.087 R)
• M9: 4,317,993 km (0.083 R)
• M10: 5,407,664 km (0.11 R)
• M11: 5,934,996 km (0.115 R)
• M12: 6,701,087 km (0.112 R)
• M13: 8,291,761 km (0.039 R)
• M14: 8,637,781 km (0.056 R)
• M15: 9,696,635 km (0.111 R)
• M16: 11,635,872 km (0.06 R)
• M17: 13,297,605 km (0.114 R)
• M18: 15,998,744 km (0.116 R)
• M19: 17,141,373 km (0.062 R)
• M20: 18,163,425 km (0.12 R)
• M21: 19,710,716 km (0.116 R)
• M22: 20,516,600 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.4

Radius: 13.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.65 AU - 4.91 AU

Year: 7214 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,039,947 km

• M1: 166,353 km (0.1 R)
• M2: 802,742 km (0.062 R)
• M3: 1,339,948 km (0.082 R)
• M4: 1,828,086 km (0.113 R)
• M5: 2,400,148 km (0.105 R)
• M6: 2,966,526 km (0.095 R)
• M7: 3,437,609 km (0.116 R)
• M8: 4,186,945 km (0.091 R)
• M9: 4,614,795 km (0.049 R)
• M10: 6,213,099 km (0.106 R)
• M11: 6,736,392 km (0.109 R)
• M12: 7,713,416 km (0.112 R)
• M13: 8,999,359 km (0.099 R)
• M14: 9,579,350 km (0.103 R)
• M15: 10,327,339 km (0.119 R)
• M16: 11,573,639 km (0.066 R)
• M17: 12,806,625 km (0.088 R)
• M18: 13,948,505 km (0.1 R)
• M19: 15,659,756 km (0.117 R)
• M20: 23,748,363 km (0.106 R)
• M21: 24,256,248 km (0.047 R)
• M22: 25,734,424 km (0.077 R)
• M23: 26,450,549 km (0.114 R)
• M24: 27,087,986 km (0.05 R)
• M25: 29,545,729 km (0.119 R)
• M26: 31,130,120 km (0.109 R)
• M27: 32,458,549 km (0.069 R)
• M28: 35,778,575 km (0.079 R)
• M29: 36,222,731 km (0.093 R)
• M30: 37,122,412 km (0.113 R)
• M31: 38,152,095 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.9

Radius: 3.2

Gravity: 64.64 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.73 AU - 6.57 AU

Year: 10527 Days

Day: 17.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,039,947 km

• M1: 39,793 km (0.117 R)
• M2: 140,173 km (0.073 R)
• M3: 344,973 km (0.089 R)
• M4: 461,958 km (0.089 R)
• M5: 575,952 km (0.064 R)
• M6: 931,247 km (0.114 R)
• M7: 1,499,569 km (0.044 R)
• M8: 2,836,076 km (0.09 R)
• M9: 3,542,029 km (0.114 R)
• M10: 3,801,282 km (0.089 R)
• M11: 4,017,750 km (0.071 R)
• M12: 5,094,705 km (0.057 R)
• M13: 5,458,826 km (0.053 R)
• M14: 6,055,273 km (0.057 R)
• M15: 6,850,386 km (0.092 R)
• M16: 9,799,558 km (0.092 R)
• M17: 10,571,034 km (0.09 R)
• M18: 10,676,800 km (0.061 R)
• M19: 10,890,575 km (0.06 R)
• M20: 11,326,803 km (0.099 R)
• M21: 14,449,808 km (0.072 R)
• M22: 16,206,835 km (0.073 R)
• M23: 16,774,858 km (0.119 R)
• M24: 17,577,451 km (0.066 R)
• M25: 18,481,770 km (0.105 R)
• M26: 18,712,749 km (0.062 R)
• M27: 27,654,363 km (0.087 R)
• M28: 30,238,367 km (0.102 R)
• M29: 32,641,507 km (0.115 R)
• M30: 32,978,701 km (0.067 R)
• M31: 33,318,288 km (0.053 R)
• M32: 38,320,243 km (0.042 R)
• M33: 41,786,575 km (0.099 R)
• M34: 42,184,056 km (0.108 R)
• M35: 49,039,977 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 19,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit