🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.4 AU - 0.61 AU

Year: 232 Days

Day: 42.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.7

Radius: 11.6

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.24 AU - 2.54 AU

Year: 2424 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,285,601 km

• M1: 144,212 km (0.114 R)
• M2: 647,160 km (0.097 R)
• M3: 1,154,896 km (0.074 R)
• M4: 1,528,292 km (0.117 R)
• M5: 2,008,501 km (0.111 R)
• M6: 3,454,813 km (0.092 R)
• M7: 4,526,682 km (0.092 R)
• M8: 5,116,397 km (0.079 R)
• M9: 6,016,826 km (0.067 R)
• M10: 6,394,561 km (0.098 R)
• M11: 7,378,167 km (0.079 R)
• M12: 8,002,289 km (0.082 R)
• M13: 9,074,008 km (0.079 R)
• M14: 9,976,084 km (0.076 R)
• M15: 10,936,801 km (0.105 R)
• M16: 12,212,422 km (0.094 R)
• M17: 13,402,324 km (0.102 R)
• M18: 13,862,038 km (0.1 R)
• M19: 14,910,719 km (0.114 R)
• M20: 15,605,152 km (0.088 R)
• M21: 17,112,052 km (0.108 R)
• M22: 17,708,349 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 12.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.42 AU - 2.92 AU

Year: 2862 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,285,601 km

• M1: 160,818 km (0.093 R)
• M2: 628,311 km (0.098 R)
• M3: 1,041,500 km (0.11 R)
• M4: 1,489,845 km (0.055 R)
• M5: 2,094,819 km (0.049 R)
• M6: 2,733,452 km (0.079 R)
• M7: 3,264,226 km (0.115 R)
• M8: 4,044,977 km (0.095 R)
• M9: 4,513,218 km (0.067 R)
• M10: 5,662,130 km (0.075 R)
• M11: 6,361,500 km (0.062 R)
• M12: 6,790,547 km (0.055 R)
• M13: 8,397,078 km (0.099 R)
• M14: 10,916,157 km (0.073 R)
• M15: 11,575,285 km (0.06 R)
• M16: 12,569,213 km (0.098 R)
• M17: 14,530,142 km (0.096 R)
• M18: 16,741,199 km (0.108 R)
• M19: 18,296,418 km (0.09 R)
• M20: 20,189,429 km (0.053 R)
• M21: 20,806,969 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 14

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.64 AU - 2.9 AU

Year: 3024 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,285,601 km

• M1: 174,132 km (0.06 R)
• M2: 672,742 km (0.118 R)
• M3: 1,281,156 km (0.09 R)
• M4: 1,793,978 km (0.061 R)
• M5: 2,278,376 km (0.065 R)
• M6: 2,819,172 km (0.072 R)
• M7: 4,592,206 km (0.107 R)
• M8: 5,074,210 km (0.083 R)
• M9: 6,140,843 km (0.079 R)
• M10: 7,109,788 km (0.109 R)
• M11: 7,757,697 km (0.084 R)
• M12: 9,387,416 km (0.093 R)
• M13: 10,244,761 km (0.086 R)
• M14: 11,113,177 km (0.103 R)
• M15: 12,419,615 km (0.094 R)
• M16: 13,407,111 km (0.068 R)
• M17: 16,053,048 km (0.107 R)
• M18: 16,899,772 km (0.115 R)
• M19: 17,831,917 km (0.119 R)
• M20: 19,147,031 km (0.06 R)
• M21: 20,526,025 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 14.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.78 AU - 2.8 AU

Year: 3057 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,285,601 km

• M1: 182,809 km (0.095 R)
• M2: 654,341 km (0.05 R)
• M3: 1,400,086 km (0.104 R)
• M4: 1,917,396 km (0.078 R)
• M5: 2,576,674 km (0.075 R)
• M6: 3,578,979 km (0.105 R)
• M7: 4,357,188 km (0.107 R)
• M8: 5,757,274 km (0.071 R)
• M9: 7,196,406 km (0.107 R)
• M10: 7,829,504 km (0.05 R)
• M11: 8,350,703 km (0.117 R)
• M12: 8,956,873 km (0.098 R)
• M13: 10,190,158 km (0.091 R)
• M14: 10,742,174 km (0.049 R)
• M15: 12,363,965 km (0.071 R)
• M16: 14,485,113 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.3

Radius: 12.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.2 AU - 6.38 AU

Year: 7982 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,285,601 km

• M1: 154,235 km (0.099 R)
• M2: 664,514 km (0.086 R)
• M3: 1,250,937 km (0.119 R)
• M4: 1,898,247 km (0.07 R)
• M5: 2,384,291 km (0.03 R)
• M6: 3,073,488 km (0.111 R)
• M7: 3,891,639 km (0.065 R)
• M8: 5,251,484 km (0.114 R)
• M9: 5,644,178 km (0.097 R)
• M10: 7,912,381 km (0.084 R)
• M11: 11,071,439 km (0.107 R)
• M12: 12,660,468 km (0.065 R)
• M13: 13,370,310 km (0.117 R)
• M14: 15,291,595 km (0.085 R)
• M15: 17,390,603 km (0.104 R)
• M16: 23,752,701 km (0.045 R)
• M17: 26,557,811 km (0.12 R)
• M18: 27,269,747 km (0.095 R)
• M19: 29,105,463 km (0.116 R)
• M20: 30,053,614 km (0.063 R)
• M21: 32,011,401 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.6

Radius: 7.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.05 AU - 9.33 AU

Year: 16805 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,285,601 km

• M1: 118,930 km (0.089 R)
• M2: 402,119 km (0.091 R)
• M3: 688,749 km (0.096 R)
• M4: 2,518,181 km (0.067 R)
• M5: 3,086,503 km (0.114 R)
• M6: 4,837,696 km (0.084 R)
• M7: 6,139,646 km (0.039 R)
• M8: 8,056,444 km (0.032 R)
• M9: 9,461,467 km (0.095 R)
• M10: 10,677,997 km (0.104 R)
• M11: 14,466,862 km (0.075 R)
• M12: 16,140,563 km (0.07 R)
• M13: 16,858,034 km (0.064 R)
• M14: 19,066,398 km (0.043 R)
• M15: 23,300,168 km (0.095 R)
• M16: 23,964,083 km (0.099 R)
• M17: 28,684,195 km (0.094 R)
• M18: 31,612,872 km (0.093 R)
• M19: 32,941,750 km (0.116 R)
• M20: 35,601,152 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit