🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 8.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.73 AU - 0.83 AU

Year: 438 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,308,825 km

• M1: 112,049 km (0.061 R)
• M2: 849,417 km (0.12 R)
• M3: 1,170,155 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 10.4

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.86 AU - 2.56 AU

Year: 2089 Days

Day: 13 Hours

Environment

Temp: -197 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,308,825 km

• M1: 129,701 km (0.034 R)
• M2: 455,825 km (0.093 R)
• M3: 786,436 km (0.057 R)
• M4: 1,368,372 km (0.083 R)
• M5: 1,970,354 km (0.07 R)
• M6: 2,879,609 km (0.109 R)
• M7: 3,324,364 km (0.071 R)
• M8: 4,963,358 km (0.111 R)
• M9: 5,730,346 km (0.091 R)
• M10: 7,774,601 km (0.109 R)
• M11: 9,642,331 km (0.075 R)
• M12: 11,874,032 km (0.092 R)
• M13: 12,503,091 km (0.072 R)
• M14: 13,873,407 km (0.109 R)
• M15: 17,226,045 km (0.112 R)
• M16: 17,977,775 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 11

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.03 AU - 3.51 AU

Year: 3760 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,308,825 km

• M1: 138,827 km (0.108 R)
• M2: 623,225 km (0.111 R)
• M3: 1,060,051 km (0.098 R)
• M4: 1,459,178 km (0.106 R)
• M5: 2,300,965 km (0.055 R)
• M6: 2,847,595 km (0.05 R)
• M7: 3,197,804 km (0.058 R)
• M8: 4,246,336 km (0.062 R)
• M9: 6,002,016 km (0.057 R)
• M10: 7,073,287 km (0.093 R)
• M11: 8,337,688 km (0.114 R)
• M12: 9,323,687 km (0.046 R)
• M13: 9,669,109 km (0.062 R)
• M14: 10,385,683 km (0.076 R)
• M15: 11,052,141 km (0.085 R)
• M16: 13,367,916 km (0.096 R)
• M17: 15,557,580 km (0.04 R)
• M18: 17,976,428 km (0.087 R)
• M19: 19,430,370 km (0.12 R)
• M20: 20,700,755 km (0.074 R)
• M21: 22,502,512 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 9.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.33 AU - 3.67 AU

Year: 4163 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,308,825 km

• M1: 123,119 km (0.08 R)
• M2: 562,937 km (0.088 R)
• M3: 2,104,244 km (0.053 R)
• M4: 2,906,836 km (0.111 R)
• M5: 4,141,617 km (0.098 R)
• M6: 4,776,810 km (0.086 R)
• M7: 5,089,768 km (0.09 R)
• M8: 5,818,908 km (0.095 R)
• M9: 6,774,839 km (0.104 R)
• M10: 8,479,955 km (0.097 R)
• M11: 9,475,230 km (0.097 R)
• M12: 9,853,114 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.4

Radius: 4.8

Gravity: 28.75 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.45 AU - 8.09 AU

Year: 13771 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 43,308,825 km

• M1: 61,934 km (0.052 R)
• M2: 363,224 km (0.085 R)
• M3: 701,016 km (0.097 R)
• M4: 1,008,888 km (0.032 R)
• M5: 1,200,523 km (0.042 R)
• M6: 1,416,542 km (0.081 R)
• M7: 1,722,619 km (0.039 R)
• M8: 1,944,473 km (0.115 R)
• M9: 2,283,013 km (0.105 R)
• M10: 2,508,607 km (0.08 R)
• M11: 6,144,882 km (0.08 R)
• M12: 7,788,813 km (0.108 R)
• M13: 8,206,191 km (0.045 R)
• M14: 9,085,228 km (0.115 R)
• M15: 9,340,143 km (0.073 R)
• M16: 10,025,451 km (0.116 R)
• M17: 10,407,973 km (0.074 R)
• M18: 10,800,218 km (0.084 R)
• M19: 11,614,031 km (0.111 R)
• M20: 13,232,829 km (0.055 R)
• M21: 13,428,802 km (0.103 R)
• M22: 13,893,603 km (0.118 R)
• M23: 14,576,069 km (0.096 R)
• M24: 15,209,167 km (0.053 R)
• M25: 15,568,650 km (0.048 R)
• M26: 17,766,692 km (0.079 R)
• M27: 18,326,637 km (0.102 R)
• M28: 18,898,400 km (0.091 R)
• M29: 19,481,832 km (0.074 R)
• M30: 21,214,923 km (0.11 R)
• M31: 23,237,187 km (0.08 R)
• M32: 29,398,226 km (0.087 R)
• M33: 31,092,721 km (0.088 R)
• M34: 42,219,810 km (0.108 R)
• M35: 50,311,110 km (0.108 R)
• M36: 51,752,935 km (0.114 R)
• M37: 52,402,489 km (0.104 R)
• M38: 52,729,210 km (0.097 R)
• M39: 53,552,148 km (0.03 R)
• M40: 55,731,939 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.4

Radius: 6.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.98 AU - 11.5 AU

Year: 20835 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,308,825 km

• M1: 79,586 km (0.086 R)
• M2: 295,755 km (0.08 R)
• M3: 1,734,139 km (0.075 R)
• M4: 2,030,043 km (0.059 R)
• M5: 2,451,610 km (0.107 R)
• M6: 2,887,987 km (0.089 R)
• M7: 4,098,234 km (0.084 R)
• M8: 5,103,382 km (0.075 R)
• M9: 5,915,848 km (0.056 R)
• M10: 6,773,792 km (0.068 R)
• M11: 9,652,503 km (0.06 R)
• M12: 13,552,669 km (0.04 R)
• M13: 14,907,278 km (0.114 R)
• M14: 16,147,744 km (0.097 R)
• M15: 18,610,274 km (0.089 R)
• M16: 21,312,461 km (0.113 R)
• M17: 24,441,899 km (0.118 R)
• M18: 27,193,901 km (0.087 R)
• M19: 31,175,448 km (0.115 R)
• M20: 32,334,832 km (0.099 R)
• M21: 35,642,441 km (0.103 R)
• M22: 36,677,060 km (0.061 R)
• M23: 37,731,575 km (0.096 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: 208 - 14,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit