🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 9.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.66 AU - 0.86 AU

Year: 442 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,702,947 km

• M1: 114,442 km (0.097 R)
• M2: 419,323 km (0.053 R)
• M3: 778,657 km (0.047 R)
• M4: 1,148,463 km (0.094 R)
• M5: 1,442,273 km (0.085 R)
• M6: 1,815,969 km (0.112 R)
• M7: 2,391,472 km (0.079 R)
• M8: 3,443,294 km (0.09 R)
• M9: 3,867,404 km (0.093 R)
• M10: 4,325,922 km (0.085 R)
• M11: 4,806,131 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 12.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.83 AU - 1.27 AU

Year: 717 Days

Day: 12.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,702,947 km

• M1: 157,975 km (0.068 R)
• M2: 567,126 km (0.094 R)
• M3: 1,047,634 km (0.075 R)
• M4: 1,615,208 km (0.083 R)
• M5: 2,109,180 km (0.071 R)
• M6: 2,823,211 km (0.101 R)
• M7: 3,248,967 km (0.118 R)
• M8: 4,138,326 km (0.041 R)
• M9: 4,633,644 km (0.095 R)
• M10: 5,515,225 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 8.6

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.68 AU - 2.48 AU

Year: 2000 Days

Day: 11 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,702,947 km

• M1: 107,112 km (0.064 R)
• M2: 1,516,474 km (0.117 R)
• M3: 1,862,942 km (0.083 R)
• M4: 2,185,475 km (0.112 R)
• M5: 3,134,823 km (0.082 R)
• M6: 3,887,301 km (0.091 R)
• M7: 4,216,117 km (0.089 R)
• M8: 5,063,888 km (0.065 R)
• M9: 5,339,148 km (0.111 R)
• M10: 6,623,147 km (0.035 R)
• M11: 7,093,781 km (0.077 R)
• M12: 7,586,407 km (0.085 R)
• M13: 7,856,282 km (0.08 R)
• M14: 10,180,883 km (0.091 R)
• M15: 10,509,849 km (0.114 R)
• M16: 13,620,587 km (0.088 R)
• M17: 14,611,224 km (0.067 R)
• M18: 15,313,736 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 11.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.01 AU - 3.65 AU

Year: 4052 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,702,947 km

• M1: 148,102 km (0.075 R)
• M2: 660,624 km (0.075 R)
• M3: 1,488,948 km (0.076 R)
• M4: 2,290,044 km (0.088 R)
• M5: 3,339,772 km (0.078 R)
• M6: 5,883,684 km (0.091 R)
• M7: 8,606,066 km (0.077 R)
• M8: 10,178,190 km (0.106 R)
• M9: 15,691,919 km (0.037 R)
• M10: 16,563,925 km (0.104 R)
• M11: 16,981,752 km (0.117 R)
• M12: 19,440,094 km (0.059 R)
• M13: 20,039,383 km (0.118 R)
• M14: 20,445,840 km (0.05 R)
• M15: 26,485,256 km (0.107 R)
• M16: 26,893,060 km (0.068 R)
• M17: 27,637,459 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.1

Radius: 3.1

Gravity: 77.12 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.62 AU - 8.56 AU

Year: 12589 Days

Day: 16.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,702,947 km

• M1: 38,746 km (0.046 R)
• M2: 286,779 km (0.09 R)
• M3: 1,899,743 km (0.115 R)
• M4: 2,117,707 km (0.028 R)
• M5: 2,647,134 km (0.107 R)
• M6: 3,790,960 km (0.045 R)
• M7: 5,510,587 km (0.108 R)
• M8: 5,765,951 km (0.1 R)
• M9: 6,619,855 km (0.107 R)
• M10: 8,477,861 km (0.098 R)
• M11: 9,422,123 km (0.119 R)
• M12: 10,324,347 km (0.054 R)
• M13: 13,505,097 km (0.069 R)
• M14: 15,929,331 km (0.096 R)
• M15: 16,446,640 km (0.118 R)
• M16: 17,359,487 km (0.066 R)
• M17: 20,042,674 km (0.071 R)
• M18: 23,840,814 km (0.091 R)
• M19: 24,032,898 km (0.106 R)
• M20: 26,212,838 km (0.077 R)
• M21: 26,933,152 km (0.088 R)
• M22: 30,620,590 km (0.09 R)
• M23: 30,961,224 km (0.118 R)
• M24: 40,592,784 km (0.051 R)
• M25: 45,562,126 km (0.105 R)
• M26: 46,005,983 km (0.119 R)
• M27: 49,661,407 km (0.108 R)
• M28: 51,399,584 km (0.115 R)
• M29: 52,688,968 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.3

Radius: 3.8

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.78 AU - 10.66 AU

Year: 17171 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,702,947 km

• M1: 50,414 km (0.087 R)
• M2: 271,969 km (0.094 R)
• M3: 493,224 km (0.114 R)
• M4: 613,202 km (0.093 R)
• M5: 826,379 km (0.032 R)
• M6: 1,425,369 km (0.093 R)
• M7: 1,565,542 km (0.045 R)
• M8: 2,961,589 km (0.099 R)
• M9: 4,281,042 km (0.03 R)
• M10: 4,412,838 km (0.116 R)
• M11: 6,313,629 km (0.088 R)
• M12: 8,245,236 km (0.069 R)
• M13: 11,022,670 km (0.075 R)
• M14: 13,502,105 km (0.093 R)
• M15: 14,015,974 km (0.086 R)
• M16: 18,395,901 km (0.082 R)
• M17: 19,599,864 km (0.099 R)
• M18: 21,773,222 km (0.105 R)
• M19: 36,702,940 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 12,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit