🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.59 AU - 0.81 AU

Year: 256 Days

Day: 12.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.96 AU

Year: 312 Days

Day: 23.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 76.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,272,438 km

• M1: 14,212 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.17 AU - 2.31 AU

Year: 1464 Days

Day: 12.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.4

Radius: 9.1

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.23 AU - 3.31 AU

Year: 2013 Days

Day: 6.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,272,438 km

• M1: 113,246 km (0.078 R)
• M2: 438,471 km (0.08 R)
• M3: 815,907 km (0.117 R)
• M4: 1,101,938 km (0.115 R)
• M5: 1,400,386 km (0.07 R)
• M6: 2,065,797 km (0.026 R)
• M7: 2,375,016 km (0.096 R)
• M8: 3,441,798 km (0.058 R)
• M9: 4,052,756 km (0.11 R)
• M10: 4,374,242 km (0.076 R)
• M11: 5,636,399 km (0.116 R)
• M12: 7,125,795 km (0.115 R)
• M13: 8,928,300 km (0.109 R)
• M14: 9,301,696 km (0.034 R)
• M15: 10,152,609 km (0.085 R)
• M16: 10,672,462 km (0.118 R)
• M17: 11,015,938 km (0.032 R)
• M18: 13,190,643 km (0.102 R)
• M19: 17,304,135 km (0.094 R)
• M20: 17,619,488 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 12.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.6 AU - 3.22 AU

Year: 2167 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,272,438 km

• M1: 150,944 km (0.067 R)
• M2: 777,610 km (0.084 R)
• M3: 1,181,524 km (0.038 R)
• M4: 2,321,460 km (0.098 R)
• M5: 2,702,486 km (0.113 R)
• M6: 3,883,112 km (0.068 R)
• M7: 5,111,011 km (0.092 R)
• M8: 5,804,547 km (0.118 R)
• M9: 6,337,564 km (0.116 R)
• M10: 7,306,809 km (0.107 R)
• M11: 7,701,149 km (0.109 R)
• M12: 8,640,623 km (0.037 R)
• M13: 10,221,574 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 8.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.98 AU - 3.12 AU

Year: 2325 Days

Day: 9.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,272,438 km

• M1: 107,262 km (0.076 R)
• M2: 581,637 km (0.096 R)
• M3: 951,592 km (0.077 R)
• M4: 1,237,773 km (0.068 R)
• M5: 2,072,828 km (0.114 R)
• M6: 2,347,939 km (0.084 R)
• M7: 2,633,371 km (0.089 R)
• M8: 3,145,295 km (0.113 R)
• M9: 3,510,912 km (0.091 R)
• M10: 3,812,651 km (0.116 R)
• M11: 4,268,326 km (0.049 R)
• M12: 4,910,101 km (0.114 R)
• M13: 5,686,365 km (0.099 R)
• M14: 5,979,128 km (0.076 R)
• M15: 7,480,941 km (0.059 R)
• M16: 7,773,554 km (0.049 R)
• M17: 8,104,315 km (0.118 R)
• M18: 8,955,976 km (0.034 R)
• M19: 9,353,008 km (0.117 R)
• M20: 10,469,906 km (0.087 R)
• M21: 12,147,347 km (0.074 R)
• M22: 12,470,479 km (0.104 R)
• M23: 13,049,871 km (0.033 R)
• M24: 14,804,654 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 14.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.85 AU - 3.97 AU

Year: 3375 Days

Day: 11.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,272,438 km

• M1: 178,171 km (0.088 R)
• M2: 734,974 km (0.117 R)
• M3: 1,488,200 km (0.095 R)
• M4: 2,339,561 km (0.069 R)
• M5: 3,925,448 km (0.092 R)
• M6: 4,589,214 km (0.058 R)
• M7: 5,277,065 km (0.111 R)
• M8: 6,741,628 km (0.113 R)
• M9: 7,193,114 km (0.094 R)
• M10: 7,826,661 km (0.091 R)
• M11: 8,917,828 km (0.09 R)
• M12: 10,146,924 km (0.112 R)
• M13: 10,741,726 km (0.108 R)
• M14: 11,957,956 km (0.08 R)
• M15: 12,442,653 km (0.092 R)
• M16: 13,264,095 km (0.109 R)
• M17: 16,158,814 km (0.115 R)
• M18: 18,854,568 km (0.106 R)
• M19: 20,433,872 km (0.079 R)
• M20: 21,128,006 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 10.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.49 AU - 5.73 AU

Year: 5801 Days

Day: 7.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,272,438 km

• M1: 130,599 km (0.087 R)
• M2: 564,134 km (0.101 R)
• M3: 1,032,973 km (0.062 R)
• M4: 3,204,237 km (0.118 R)
• M5: 3,703,445 km (0.057 R)
• M6: 4,883,473 km (0.09 R)
• M7: 5,247,594 km (0.077 R)
• M8: 5,629,966 km (0.115 R)
• M9: 7,552,149 km (0.113 R)
• M10: 8,774,813 km (0.083 R)
• M11: 9,236,472 km (0.105 R)
• M12: 10,981,082 km (0.12 R)
• M13: 11,654,422 km (0.059 R)
• M14: 12,118,325 km (0.109 R)
• M15: 12,450,432 km (0.077 R)
• M16: 13,635,547 km (0.116 R)
• M17: 15,220,835 km (0.116 R)
• M18: 16,401,312 km (0.09 R)
• M19: 17,581,340 km (0.057 R)
• M20: 18,130,364 km (0.095 R)
• M21: 19,327,147 km (0.116 R)
• M22: 20,109,694 km (0.103 R)
• M23: 22,370,716 km (0.111 R)
• M24: 26,507,546 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.8

Radius: 6.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 11.58 AU - 14.36 AU

Year: 20392 Days

Day: 23.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,272,438 km

• M1: 88,712 km (0.116 R)
• M2: 310,565 km (0.109 R)
• M3: 717,023 km (0.036 R)
• M4: 1,024,297 km (0.049 R)
• M5: 1,456,934 km (0.105 R)
• M6: 1,892,114 km (0.103 R)
• M7: 2,448,468 km (0.095 R)
• M8: 2,703,682 km (0.088 R)
• M9: 4,836,200 km (0.091 R)
• M10: 5,176,236 km (0.098 R)
• M11: 5,973,593 km (0.105 R)
• M12: 8,191,531 km (0.042 R)
• M13: 9,084,929 km (0.039 R)
• M14: 9,747,797 km (0.1 R)
• M15: 11,063,959 km (0.058 R)
• M16: 11,764,526 km (0.106 R)
• M17: 14,993,895 km (0.035 R)
• M18: 17,304,734 km (0.109 R)
• M19: 18,174,047 km (0.083 R)
• M20: 19,072,083 km (0.098 R)
• M21: 19,842,811 km (0.117 R)
• M22: 20,315,092 km (0.095 R)
• M23: 27,348,735 km (0.086 R)
• M24: 29,840,886 km (0.043 R)
• M25: 31,194,896 km (0.064 R)
• M26: 33,357,034 km (0.067 R)
• M27: 36,784,620 km (0.05 R)
• M28: 44,463,928 km (0.096 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: 469 - 15,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit