🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.9

Radius: 11.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.81 AU - 0.83 AU

Year: 522 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,252,740 km

• M1: 145,559 km (0.066 R)
• M2: 792,121 km (0.11 R)
• M3: 1,361,041 km (0.105 R)
• M4: 1,863,989 km (0.038 R)
• M5: 2,294,831 km (0.1 R)
• M6: 2,684,983 km (0.06 R)
• M7: 3,061,520 km (0.101 R)
• M8: 3,977,807 km (0.108 R)
• M9: 4,425,105 km (0.102 R)
• M10: 5,019,308 km (0.094 R)
• M11: 5,560,403 km (0.076 R)
• M12: 6,464,124 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.5

Radius: 9.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.82 AU - 0.9 AU

Year: 561 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,252,740 km

• M1: 114,891 km (0.094 R)
• M2: 701,614 km (0.11 R)
• M3: 1,956,890 km (0.11 R)
• M4: 2,260,125 km (0.116 R)
• M5: 2,564,855 km (0.076 R)
• M6: 3,341,119 km (0.086 R)
• M7: 4,614,795 km (0.066 R)
• M8: 5,452,693 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 14

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.88 AU - 1.12 AU

Year: 703 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,252,740 km

• M1: 174,282 km (0.106 R)
• M2: 671,395 km (0.058 R)
• M3: 1,190,500 km (0.082 R)
• M4: 2,815,133 km (0.071 R)
• M5: 3,282,776 km (0.079 R)
• M6: 5,720,323 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 12

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.52 AU - 2.14 AU

Year: 1740 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,252,740 km

• M1: 149,299 km (0.082 R)
• M2: 661,971 km (0.095 R)
• M3: 1,035,217 km (0.12 R)
• M4: 1,628,373 km (0.119 R)
• M5: 2,203,427 km (0.111 R)
• M6: 3,213,512 km (0.073 R)
• M7: 3,666,195 km (0.088 R)
• M8: 4,108,107 km (0.058 R)
• M9: 4,585,624 km (0.118 R)
• M10: 5,141,230 km (0.088 R)
• M11: 5,741,417 km (0.091 R)
• M12: 6,630,327 km (0.114 R)
• M13: 7,031,100 km (0.095 R)
• M14: 7,501,286 km (0.117 R)
• M15: 7,881,564 km (0.117 R)
• M16: 9,009,233 km (0.112 R)
• M17: 10,045,048 km (0.078 R)
• M18: 11,263,822 km (0.043 R)
• M19: 12,018,992 km (0.051 R)
• M20: 12,961,608 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 11.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.32 AU - 3.28 AU

Year: 3293 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,252,740 km

• M1: 140,622 km (0.116 R)
• M2: 618,886 km (0.099 R)
• M3: 1,206,806 km (0.048 R)
• M4: 1,633,160 km (0.109 R)
• M5: 1,985,613 km (0.089 R)
• M6: 2,882,601 km (0.098 R)
• M7: 3,366,550 km (0.099 R)
• M8: 3,718,853 km (0.034 R)
• M9: 4,662,367 km (0.067 R)
• M10: 5,229,044 km (0.111 R)
• M11: 6,150,567 km (0.102 R)
• M12: 7,176,958 km (0.067 R)
• M13: 8,279,045 km (0.12 R)
• M14: 8,634,490 km (0.078 R)
• M15: 9,111,707 km (0.115 R)
• M16: 11,415,514 km (0.076 R)
• M17: 16,242,290 km (0.079 R)
• M18: 16,631,842 km (0.108 R)
• M19: 18,613,565 km (0.084 R)
• M20: 19,913,421 km (0.093 R)
• M21: 21,605,373 km (0.086 R)
• M22: 24,175,913 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545

Radius: 11.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.07 AU - 5.81 AU

Year: 7718 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,252,740 km

• M1: 141,819 km (0.043 R)
• M2: 506,688 km (0.051 R)
• M3: 1,146,967 km (0.114 R)
• M4: 1,807,292 km (0.117 R)
• M5: 2,860,760 km (0.063 R)
• M6: 3,227,424 km (0.09 R)
• M7: 5,286,490 km (0.097 R)
• M8: 5,939,185 km (0.064 R)
• M9: 8,345,168 km (0.092 R)
• M10: 8,928,899 km (0.109 R)
• M11: 9,318,451 km (0.078 R)
• M12: 11,288,955 km (0.106 R)
• M13: 12,425,150 km (0.11 R)
• M14: 13,466,501 km (0.102 R)
• M15: 14,565,148 km (0.085 R)
• M16: 15,228,016 km (0.086 R)
• M17: 15,785,119 km (0.034 R)
• M18: 17,138,082 km (0.113 R)
• M19: 19,707,874 km (0.109 R)
• M20: 20,073,790 km (0.079 R)
• M21: 20,819,386 km (0.073 R)
• M22: 23,656,809 km (0.102 R)
• M23: 24,997,056 km (0.117 R)
• M24: 29,702,657 km (0.038 R)
• M25: 30,378,092 km (0.108 R)
• M26: 34,014,965 km (0.075 R)
• M27: 36,704,885 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.5

Radius: 7.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.28 AU - 9.6 AU

Year: 18789 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,252,740 km

• M1: 97,388 km (0.065 R)
• M2: 757,264 km (0.06 R)
• M3: 1,268,740 km (0.114 R)
• M4: 1,959,283 km (0.069 R)
• M5: 2,445,925 km (0.099 R)
• M6: 4,168,844 km (0.092 R)
• M7: 4,694,531 km (0.118 R)
• M8: 5,842,545 km (0.069 R)
• M9: 6,615,367 km (0.057 R)
• M10: 7,921,506 km (0.103 R)
• M11: 8,773,766 km (0.118 R)
• M12: 9,986,555 km (0.056 R)
• M13: 11,585,009 km (0.09 R)
• M14: 14,616,310 km (0.118 R)
• M15: 14,879,453 km (0.105 R)
• M16: 18,442,725 km (0.077 R)
• M17: 18,827,640 km (0.101 R)
• M18: 19,375,467 km (0.107 R)
• M19: 20,833,149 km (0.106 R)
• M20: 25,169,243 km (0.109 R)
• M21: 25,643,020 km (0.085 R)
• M22: 29,023,184 km (0.105 R)
• M23: 39,507,900 km (0.102 R)
• M24: 41,316,688 km (0.086 R)
• M25: 43,858,954 km (0.075 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: 402 - 16,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit