🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 13.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.53 AU - 0.67 AU

Year: 321 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,402,966 km

• M1: 165,455 km (0.052 R)
• M2: 652,546 km (0.117 R)
• M3: 1,194,240 km (0.117 R)
• M4: 1,820,008 km (0.069 R)
• M5: 2,586,398 km (0.099 R)
• M6: 3,121,210 km (0.085 R)
• M7: 3,536,793 km (0.105 R)
• M8: 4,174,080 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 10.4

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.04 AU - 1.4 AU

Year: 930 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,402,966 km

• M1: 129,552 km (0.113 R)
• M2: 475,123 km (0.079 R)
• M3: 927,956 km (0.075 R)
• M4: 1,604,587 km (0.044 R)
• M5: 2,307,547 km (0.116 R)
• M6: 2,818,424 km (0.109 R)
• M7: 3,345,906 km (0.046 R)
• M8: 3,764,331 km (0.073 R)
• M9: 4,200,708 km (0.088 R)
• M10: 5,695,789 km (0.062 R)
• M11: 6,250,648 km (0.056 R)
• M12: 7,394,174 km (0.103 R)
• M13: 8,893,893 km (0.103 R)
• M14: 9,233,929 km (0.111 R)
• M15: 10,586,892 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 14.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.56 AU - 1.66 AU

Year: 1410 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,402,966 km

• M1: 177,124 km (0.116 R)
• M2: 661,372 km (0.055 R)
• M3: 1,204,861 km (0.075 R)
• M4: 1,669,063 km (0.083 R)
• M5: 2,161,988 km (0.096 R)
• M6: 2,740,932 km (0.096 R)
• M7: 3,215,157 km (0.068 R)
• M8: 4,248,729 km (0.074 R)
• M9: 5,261,208 km (0.082 R)
• M10: 5,773,879 km (0.104 R)
• M11: 6,992,803 km (0.081 R)
• M12: 7,713,117 km (0.115 R)
• M13: 8,831,510 km (0.115 R)
• M14: 9,529,833 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.9

Radius: 8.7

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.54 AU - 2.08 AU

Year: 1681 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,402,966 km

• M1: 108,159 km (0.082 R)
• M2: 389,254 km (0.095 R)
• M3: 865,274 km (0.095 R)
• M4: 1,311,973 km (0.082 R)
• M5: 1,906,625 km (0.112 R)
• M6: 2,670,621 km (0.112 R)
• M7: 3,090,991 km (0.101 R)
• M8: 3,786,023 km (0.097 R)
• M9: 4,540,146 km (0.107 R)
• M10: 5,276,167 km (0.07 R)
• M11: 5,648,965 km (0.107 R)
• M12: 5,940,232 km (0.111 R)
• M13: 6,500,027 km (0.045 R)
• M14: 6,792,940 km (0.033 R)
• M15: 8,361,324 km (0.062 R)
• M16: 8,708,242 km (0.085 R)
• M17: 13,101,183 km (0.088 R)
• M18: 13,612,957 km (0.099 R)
• M19: 14,858,809 km (0.104 R)
• M20: 16,471,773 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 11.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.79 AU - 2.95 AU

Year: 2518 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,402,966 km

• M1: 142,417 km (0.117 R)
• M2: 618,138 km (0.055 R)
• M3: 1,716,486 km (0.072 R)
• M4: 2,597,917 km (0.091 R)
• M5: 3,183,293 km (0.081 R)
• M6: 4,318,741 km (0.086 R)
• M7: 4,729,686 km (0.092 R)
• M8: 5,911,809 km (0.112 R)
• M9: 6,337,714 km (0.078 R)
• M10: 6,727,117 km (0.088 R)
• M11: 7,341,366 km (0.069 R)
• M12: 8,749,830 km (0.12 R)
• M13: 9,735,381 km (0.102 R)
• M14: 13,452,439 km (0.078 R)
• M15: 14,286,148 km (0.113 R)
• M16: 15,751,609 km (0.075 R)
• M17: 16,572,901 km (0.115 R)
• M18: 17,047,425 km (0.112 R)
• M19: 18,245,405 km (0.085 R)
• M20: 19,674,065 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 10.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.14 AU - 2.7 AU

Year: 2599 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,402,966 km

• M1: 134,488 km (0.105 R)
• M2: 782,846 km (0.076 R)
• M3: 1,435,691 km (0.09 R)
• M4: 1,951,205 km (0.1 R)
• M5: 2,438,296 km (0.08 R)
• M6: 4,884,221 km (0.112 R)
• M7: 6,336,816 km (0.114 R)
• M8: 7,474,658 km (0.103 R)
• M9: 8,125,857 km (0.057 R)
• M10: 9,173,042 km (0.056 R)
• M11: 9,881,388 km (0.057 R)
• M12: 10,666,029 km (0.119 R)
• M13: 18,800,862 km (0.036 R)
• M14: 19,456,699 km (0.103 R)
• M15: 21,580,989 km (0.071 R)

Asteroid Belt

Center: 3.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 8.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.22 AU - 4.48 AU

Year: 6262 Days

Day: 7 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,402,966 km

• M1: 110,702 km (0.056 R)
• M2: 521,947 km (0.063 R)
• M3: 953,986 km (0.12 R)
• M4: 1,492,837 km (0.069 R)
• M5: 1,980,676 km (0.093 R)
• M6: 2,401,195 km (0.116 R)
• M7: 2,677,951 km (0.111 R)
• M8: 3,337,977 km (0.057 R)
• M9: 4,054,401 km (0.098 R)
• M10: 4,788,927 km (0.094 R)
• M11: 6,292,086 km (0.068 R)
• M12: 7,491,113 km (0.046 R)
• M13: 7,972,968 km (0.089 R)
• M14: 8,674,433 km (0.101 R)
• M15: 10,110,722 km (0.094 R)
• M16: 13,993,385 km (0.096 R)
• M17: 14,724,918 km (0.083 R)
• M18: 16,264,131 km (0.06 R)
• M19: 17,518,958 km (0.046 R)
• M20: 19,108,734 km (0.097 R)
• M21: 25,265,285 km (0.08 R)
• M22: 27,376,859 km (0.082 R)
• M23: 29,970,587 km (0.11 R)
• M24: 32,140,803 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.1

Radius: 14.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.29 AU - 5.77 AU

Year: 7787 Days

Day: 11.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,402,966 km

• M1: 178,021 km (0.095 R)
• M2: 1,280,857 km (0.11 R)
• M3: 1,803,103 km (0.103 R)
• M4: 2,395,062 km (0.092 R)
• M5: 2,922,993 km (0.089 R)
• M6: 3,410,233 km (0.061 R)
• M7: 3,874,884 km (0.066 R)
• M8: 4,843,381 km (0.105 R)
• M9: 5,466,007 km (0.114 R)
• M10: 6,463,825 km (0.118 R)
• M11: 7,064,460 km (0.111 R)
• M12: 8,378,079 km (0.107 R)
• M13: 10,143,184 km (0.082 R)
• M14: 11,757,645 km (0.039 R)
• M15: 13,417,732 km (0.101 R)
• M16: 15,756,695 km (0.08 R)
• M17: 17,128,507 km (0.113 R)
• M18: 20,266,622 km (0.084 R)
• M19: 22,901,639 km (0.086 R)
• M20: 23,419,995 km (0.112 R)
• M21: 25,296,402 km (0.114 R)
• M22: 30,164,615 km (0.094 R)
• M23: 35,394,108 km (0.119 R)
• M24: 43,135,499 km (0.05 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 15,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit