🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 8.9

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,699,660 km

• M1: 110,702 km (0.085 R)
• M2: 400,174 km (0.102 R)
• M3: 682,615 km (0.067 R)
• M4: 973,733 km (0.095 R)
• M5: 1,263,055 km (0.101 R)
• M6: 1,623,436 km (0.12 R)
• M7: 2,261,621 km (0.113 R)
• M8: 2,546,156 km (0.117 R)
• M9: 3,158,011 km (0.077 R)
• M10: 3,482,788 km (0.103 R)
• M11: 3,760,890 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 8.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.41 AU - 0.63 AU

Year: 250 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,699,660 km

• M1: 100,829 km (0.116 R)
• M2: 404,064 km (0.073 R)
• M3: 731,833 km (0.114 R)
• M4: 1,245,402 km (0.045 R)
• M5: 1,514,828 km (0.104 R)
• M6: 1,895,854 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.2

Radius: 13.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 416 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,699,660 km

• M1: 163,211 km (0.096 R)
• M2: 588,069 km (0.061 R)
• M3: 1,106,426 km (0.069 R)
• M4: 1,901,239 km (0.11 R)
• M5: 2,541,967 km (0.11 R)
• M6: 2,962,786 km (0.09 R)
• M7: 3,651,086 km (0.112 R)
• M8: 4,472,827 km (0.035 R)
• M9: 5,123,577 km (0.095 R)
• M10: 5,906,423 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 11.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.76 AU - 1.14 AU

Year: 617 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,699,660 km

• M1: 138,079 km (0.099 R)
• M2: 574,905 km (0.095 R)
• M3: 980,913 km (0.033 R)
• M4: 1,478,326 km (0.062 R)
• M5: 1,833,322 km (0.12 R)
• M6: 2,268,951 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.3

Radius: 11.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.91 AU - 1.97 AU

Year: 1802 Days

Day: 14 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,699,660 km

• M1: 143,016 km (0.115 R)
• M2: 519,553 km (0.079 R)
• M3: 952,041 km (0.079 R)
• M4: 1,594,115 km (0.085 R)
• M5: 1,993,242 km (0.115 R)
• M6: 3,126,745 km (0.059 R)
• M7: 4,535,059 km (0.069 R)
• M8: 5,412,451 km (0.048 R)
• M9: 5,959,381 km (0.04 R)
• M10: 8,240,000 km (0.109 R)
• M11: 9,420,328 km (0.116 R)
• M12: 9,954,841 km (0.117 R)
• M13: 12,708,938 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 13.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.63 AU - 3.73 AU

Year: 3782 Days

Day: 11.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,699,660 km

• M1: 164,109 km (0.111 R)
• M2: 625,020 km (0.063 R)
• M3: 1,174,792 km (0.114 R)
• M4: 1,923,679 km (0.095 R)
• M5: 3,158,909 km (0.105 R)
• M6: 5,910,313 km (0.111 R)
• M7: 9,442,468 km (0.056 R)
• M8: 11,103,752 km (0.096 R)
• M9: 11,933,123 km (0.047 R)
• M10: 16,127,398 km (0.111 R)
• M11: 16,831,556 km (0.08 R)
• M12: 19,590,440 km (0.079 R)
• M13: 20,527,969 km (0.059 R)
• M14: 25,988,591 km (0.094 R)
• M15: 27,450,012 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193

Radius: 10.4

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.82 AU - 4.66 AU

Year: 4823 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,699,660 km

• M1: 129,402 km (0.109 R)
• M2: 528,529 km (0.083 R)
• M3: 877,242 km (0.109 R)
• M4: 1,623,885 km (0.076 R)
• M5: 2,225,867 km (0.095 R)
• M6: 2,782,072 km (0.081 R)
• M7: 3,952,974 km (0.103 R)
• M8: 4,508,132 km (0.071 R)
• M9: 5,021,402 km (0.051 R)
• M10: 6,490,752 km (0.037 R)
• M11: 6,942,239 km (0.026 R)
• M12: 8,099,079 km (0.096 R)
• M13: 8,556,250 km (0.114 R)
• M14: 8,893,294 km (0.104 R)
• M15: 10,947,871 km (0.119 R)
• M16: 11,345,652 km (0.095 R)
• M17: 11,753,007 km (0.068 R)
• M18: 12,770,572 km (0.115 R)
• M19: 13,526,191 km (0.117 R)
• M20: 15,077,670 km (0.104 R)
• M21: 16,073,992 km (0.09 R)
• M22: 19,153,913 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.3

Radius: 5.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.97 AU - 11.41 AU

Year: 18578 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,699,660 km

• M1: 113,545 km (0.07 R)
• M2: 431,590 km (0.108 R)
• M3: 608,863 km (0.103 R)
• M4: 1,760,019 km (0.036 R)
• M5: 2,194,152 km (0.118 R)
• M6: 2,390,424 km (0.106 R)
• M7: 3,296,239 km (0.099 R)
• M8: 5,858,701 km (0.104 R)
• M9: 8,473,672 km (0.087 R)
• M10: 19,154,960 km (0.096 R)
• M11: 22,641,189 km (0.117 R)
• M12: 23,062,307 km (0.108 R)
• M13: 24,977,309 km (0.032 R)
• M14: 31,146,875 km (0.064 R)
• M15: 37,433,426 km (0.045 R)
• M16: 37,785,879 km (0.115 R)
• M17: 38,736,723 km (0.118 R)
• M18: 41,684,699 km (0.115 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: 516 - 11,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit