🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 13.8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.51 AU

Year: 932 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,786,301 km

• M1: 171,589 km (0.112 R)
• M2: 715,078 km (0.071 R)
• M3: 1,261,409 km (0.109 R)
• M4: 1,862,942 km (0.043 R)
• M5: 2,687,825 km (0.082 R)
• M6: 3,185,537 km (0.103 R)
• M7: 4,017,900 km (0.114 R)
• M8: 4,759,905 km (0.11 R)
• M9: 6,346,540 km (0.1 R)
• M10: 7,191,469 km (0.067 R)
• M11: 7,689,779 km (0.094 R)
• M12: 8,364,615 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 13.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.95 AU - 2.39 AU

Year: 2132 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,786,301 km

• M1: 169,345 km (0.06 R)
• M2: 666,010 km (0.119 R)
• M3: 1,623,137 km (0.095 R)
• M4: 2,063,254 km (0.097 R)
• M5: 2,863,004 km (0.099 R)
• M6: 3,303,869 km (0.114 R)
• M7: 4,763,047 km (0.048 R)
• M8: 6,513,790 km (0.1 R)
• M9: 7,038,729 km (0.118 R)
• M10: 7,478,846 km (0.075 R)
• M11: 9,038,554 km (0.099 R)
• M12: 11,133,522 km (0.109 R)
• M13: 12,079,430 km (0.109 R)
• M14: 12,552,159 km (0.112 R)
• M15: 13,037,155 km (0.08 R)
• M16: 14,131,314 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.4

Radius: 10.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.6 AU - 3.94 AU

Year: 4881 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,786,301 km

• M1: 127,158 km (0.115 R)
• M2: 458,817 km (0.113 R)
• M3: 857,794 km (0.074 R)
• M4: 1,208,152 km (0.043 R)
• M5: 2,288,399 km (0.115 R)
• M6: 2,765,317 km (0.051 R)
• M7: 3,964,792 km (0.109 R)
• M8: 4,580,836 km (0.082 R)
• M9: 4,964,555 km (0.057 R)
• M10: 6,185,573 km (0.113 R)
• M11: 6,817,325 km (0.101 R)
• M12: 7,284,668 km (0.115 R)
• M13: 7,666,741 km (0.066 R)
• M14: 11,316,032 km (0.081 R)
• M15: 12,653,586 km (0.091 R)
• M16: 13,412,047 km (0.07 R)
• M17: 16,277,595 km (0.074 R)
• M18: 16,692,130 km (0.113 R)
• M19: 21,164,808 km (0.074 R)
• M20: 21,516,961 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.3

Radius: 14

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.45 AU - 5.07 AU

Year: 6925 Days

Day: 12.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,786,301 km

• M1: 174,132 km (0.047 R)
• M2: 857,794 km (0.106 R)
• M3: 1,330,523 km (0.098 R)
• M4: 1,776,325 km (0.108 R)
• M5: 3,403,352 km (0.073 R)
• M6: 4,177,670 km (0.028 R)
• M7: 5,618,896 km (0.116 R)
• M8: 6,958,994 km (0.103 R)
• M9: 8,502,694 km (0.029 R)
• M10: 9,355,252 km (0.114 R)
• M11: 12,428,441 km (0.084 R)
• M12: 13,892,107 km (0.087 R)
• M13: 16,791,314 km (0.109 R)
• M14: 17,426,955 km (0.082 R)
• M15: 18,023,701 km (0.049 R)
• M16: 19,200,887 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.7

Radius: 6.3

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.17 AU - 6.47 AU

Year: 9363 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 30,786,301 km

• M1: 78,539 km (0.075 R)
• M2: 386,112 km (0.097 R)
• M3: 615,296 km (0.062 R)
• M4: 910,602 km (0.108 R)
• M5: 1,876,107 km (0.104 R)
• M6: 2,781,024 km (0.078 R)
• M7: 3,286,516 km (0.049 R)
• M8: 3,572,696 km (0.115 R)
• M9: 3,780,488 km (0.109 R)
• M10: 4,070,109 km (0.088 R)
• M11: 6,129,623 km (0.112 R)
• M12: 6,564,205 km (0.091 R)
• M13: 6,947,624 km (0.044 R)
• M14: 8,428,643 km (0.086 R)
• M15: 8,715,123 km (0.112 R)
• M16: 9,350,914 km (0.084 R)
• M17: 9,613,758 km (0.109 R)
• M18: 10,385,234 km (0.104 R)
• M19: 10,714,798 km (0.091 R)
• M20: 12,258,050 km (0.079 R)
• M21: 12,520,145 km (0.1 R)
• M22: 13,439,424 km (0.092 R)
• M23: 14,057,712 km (0.089 R)
• M24: 14,344,940 km (0.093 R)
• M25: 14,871,824 km (0.092 R)
• M26: 17,109,209 km (0.088 R)
• M27: 18,444,370 km (0.117 R)
• M28: 19,067,296 km (0.036 R)
• M29: 20,355,034 km (0.098 R)
• M30: 21,320,389 km (0.032 R)
• M31: 24,564,868 km (0.073 R)
• M32: 25,658,578 km (0.054 R)
• M33: 27,942,788 km (0.063 R)
• M34: 28,305,862 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.1

Radius: 5.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.76 AU - 8.74 AU

Year: 13018 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,786,301 km

• M1: 64,776 km (0.104 R)
• M2: 329,265 km (0.119 R)
• M3: 556,354 km (0.074 R)
• M4: 813,962 km (0.114 R)
• M5: 1,109,567 km (0.047 R)
• M6: 1,450,800 km (0.09 R)
• M7: 3,974,367 km (0.081 R)
• M8: 4,956,177 km (0.076 R)
• M9: 5,148,112 km (0.103 R)
• M10: 6,568,693 km (0.092 R)
• M11: 7,037,832 km (0.072 R)
• M12: 8,308,367 km (0.046 R)
• M13: 10,692,807 km (0.053 R)
• M14: 15,617,868 km (0.069 R)
• M15: 17,003,593 km (0.086 R)
• M16: 24,065,361 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 11,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit