🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.45 AU - 0.61 AU

Year: 245 Days

Day: 28.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.69 AU

Year: 266 Days

Day: 23 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 9.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.08 AU - 1.22 AU

Year: 784 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,813,872 km

• M1: 123,119 km (0.064 R)
• M2: 672,592 km (0.051 R)
• M3: 1,084,734 km (0.093 R)
• M4: 1,994,888 km (0.029 R)
• M5: 2,321,909 km (0.083 R)
• M6: 2,803,165 km (0.086 R)
• M7: 3,228,023 km (0.118 R)
• M8: 3,656,022 km (0.057 R)
• M9: 4,862,080 km (0.053 R)
• M10: 5,239,067 km (0.086 R)
• M11: 5,547,687 km (0.088 R)
• M12: 6,430,614 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.3

Radius: 9.9

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.81 AU - 1.91 AU

Year: 1613 Days

Day: 12.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,813,872 km

• M1: 123,119 km (0.083 R)
• M2: 584,180 km (0.047 R)
• M3: 911,051 km (0.079 R)
• M4: 1,288,636 km (0.059 R)
• M5: 2,775,190 km (0.06 R)
• M6: 3,257,194 km (0.102 R)
• M7: 3,883,411 km (0.087 R)
• M8: 4,292,561 km (0.106 R)
• M9: 4,771,723 km (0.053 R)
• M10: 5,626,226 km (0.115 R)
• M11: 6,709,165 km (0.101 R)
• M12: 8,433,131 km (0.109 R)
• M13: 9,381,432 km (0.073 R)
• M14: 10,575,672 km (0.105 R)
• M15: 10,971,209 km (0.099 R)
• M16: 11,451,418 km (0.111 R)
• M17: 12,295,898 km (0.059 R)
• M18: 14,195,043 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 9.3

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.75 AU - 2.23 AU

Year: 1785 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,813,872 km

• M1: 115,639 km (0.08 R)
• M2: 498,909 km (0.067 R)
• M3: 886,068 km (0.076 R)
• M4: 1,365,081 km (0.109 R)
• M5: 1,831,826 km (0.072 R)
• M6: 2,212,403 km (0.103 R)
• M7: 2,508,457 km (0.102 R)
• M8: 3,326,608 km (0.055 R)
• M9: 3,989,027 km (0.079 R)
• M10: 4,633,345 km (0.063 R)
• M11: 6,153,559 km (0.117 R)
• M12: 6,824,804 km (0.116 R)
• M13: 7,345,555 km (0.043 R)
• M14: 7,659,112 km (0.105 R)
• M15: 10,392,115 km (0.084 R)
• M16: 14,061,751 km (0.092 R)
• M17: 15,455,405 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 9.7

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.59 AU - 3.95 AU

Year: 3760 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,813,872 km

• M1: 120,576 km (0.111 R)
• M2: 434,731 km (0.109 R)
• M3: 864,975 km (0.103 R)
• M4: 1,375,104 km (0.048 R)
• M5: 1,794,127 km (0.091 R)
• M6: 2,177,846 km (0.057 R)
• M7: 2,533,739 km (0.116 R)
• M8: 3,735,010 km (0.12 R)
• M9: 4,132,940 km (0.099 R)
• M10: 4,559,145 km (0.116 R)
• M11: 7,246,820 km (0.084 R)
• M12: 8,789,623 km (0.071 R)
• M13: 9,177,680 km (0.092 R)
• M14: 11,247,516 km (0.07 R)
• M15: 12,707,292 km (0.114 R)
• M16: 16,578,586 km (0.105 R)
• M17: 18,527,247 km (0.064 R)
• M18: 22,296,815 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.8

Radius: 3

Gravity: 19.42 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.38 AU - 7.86 AU

Year: 10830 Days

Day: 20 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,813,872 km

• M1: 37,250 km (0.109 R)
• M2: 168,447 km (0.105 R)
• M3: 568,322 km (0.072 R)
• M4: 778,657 km (0.082 R)
• M5: 2,495,741 km (0.095 R)
• M6: 3,278,138 km (0.108 R)
• M7: 4,488,535 km (0.089 R)
• M8: 5,192,991 km (0.115 R)
• M9: 5,631,313 km (0.106 R)
• M10: 5,844,190 km (0.097 R)
• M11: 8,237,308 km (0.115 R)
• M12: 8,471,877 km (0.109 R)
• M13: 10,834,775 km (0.034 R)
• M14: 11,694,365 km (0.026 R)
• M15: 14,095,560 km (0.115 R)
• M16: 14,544,204 km (0.078 R)
• M17: 15,118,361 km (0.065 R)
• M18: 17,373,998 km (0.107 R)
• M19: 21,787,284 km (0.095 R)
• M20: 22,386,573 km (0.104 R)
• M21: 26,552,126 km (0.081 R)
• M22: 26,807,041 km (0.108 R)
• M23: 29,265,831 km (0.076 R)
• M24: 30,456,780 km (0.102 R)
• M25: 31,775,186 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.7

Radius: 8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.94 AU - 11.26 AU

Year: 21943 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,813,872 km

• M1: 99,931 km (0.036 R)
• M2: 401,670 km (0.087 R)
• M3: 915,838 km (0.102 R)
• M4: 1,367,624 km (0.109 R)
• M5: 1,925,025 km (0.089 R)
• M6: 2,494,844 km (0.119 R)
• M7: 2,950,070 km (0.087 R)
• M8: 3,432,673 km (0.096 R)
• M9: 3,792,456 km (0.066 R)
• M10: 5,025,142 km (0.04 R)
• M11: 5,905,526 km (0.111 R)
• M12: 6,382,444 km (0.03 R)
• M13: 6,672,364 km (0.034 R)
• M14: 6,927,877 km (0.042 R)
• M15: 7,595,383 km (0.079 R)
• M16: 7,874,234 km (0.097 R)
• M17: 8,651,095 km (0.076 R)
• M18: 11,652,328 km (0.102 R)
• M19: 12,023,630 km (0.114 R)
• M20: 12,275,552 km (0.081 R)
• M21: 17,677,980 km (0.074 R)
• M22: 18,003,954 km (0.119 R)
• M23: 20,939,364 km (0.111 R)
• M24: 25,192,281 km (0.096 R)
• M25: 26,022,849 km (0.12 R)
• M26: 32,113,427 km (0.079 R)
• M27: 32,477,249 km (0.096 R)
• M28: 33,585,021 km (0.115 R)
• M29: 37,728,583 km (0.116 R)
• M30: 40,908,735 km (0.09 R)
• M31: 43,076,557 km (0.052 R)
• M32: 44,113,869 km (0.058 R)
• M33: 55,943,021 km (0.044 R)
• M34: 57,890,935 km (0.088 R)
• M35: 58,249,821 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit