🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.59 AU - 0.87 AU

Year: 238 Days

Day: 23.2 Hours

Environment

Temp: 160 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,945,908 km

• M1: 119,828 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.14 AU - 2.6 AU

Year: 1389 Days

Day: 33 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,945,908 km

• M1: 36,651 km (0.058 R)
• M2: 1,358,648 km (0.064 R)

Asteroid Belt

Center: 3.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 14.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.36 AU - 6.04 AU

Year: 4515 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,945,908 km

• M1: 182,061 km (0.12 R)
• M2: 787,483 km (0.078 R)
• M3: 1,280,408 km (0.118 R)
• M4: 1,843,943 km (0.081 R)
• M5: 2,310,390 km (0.117 R)
• M6: 3,143,051 km (0.1 R)
• M7: 3,734,112 km (0.11 R)
• M8: 4,686,303 km (0.119 R)
• M9: 5,167,858 km (0.097 R)
• M10: 6,442,432 km (0.077 R)
• M11: 8,023,383 km (0.057 R)
• M12: 9,019,555 km (0.101 R)
• M13: 9,488,095 km (0.115 R)
• M14: 10,731,254 km (0.112 R)
• M15: 11,527,713 km (0.052 R)
• M16: 11,987,128 km (0.037 R)
• M17: 13,139,779 km (0.102 R)
• M18: 14,790,143 km (0.099 R)
• M19: 15,609,790 km (0.096 R)
• M20: 19,775,642 km (0.066 R)
• M21: 20,368,797 km (0.078 R)
• M22: 23,005,011 km (0.077 R)
• M23: 24,480,196 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.4

Radius: 13.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.15 AU - 8.81 AU

Year: 9404 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 102,945,908 km

• M1: 165,605 km (0.106 R)
• M2: 1,386,174 km (0.082 R)
• M3: 1,961,078 km (0.097 R)
• M4: 2,692,762 km (0.107 R)
• M5: 4,777,109 km (0.099 R)
• M6: 7,705,338 km (0.056 R)
• M7: 9,408,060 km (0.111 R)
• M8: 10,390,171 km (0.106 R)
• M9: 12,036,944 km (0.1 R)
• M10: 15,618,317 km (0.083 R)
• M11: 26,278,661 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 11.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.98 AU - 9.06 AU

Year: 10316 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 102,945,908 km

• M1: 149,747 km (0.08 R)
• M2: 1,139,038 km (0.114 R)
• M3: 2,660,299 km (0.091 R)
• M4: 5,247,893 km (0.053 R)
• M5: 5,622,636 km (0.095 R)
• M6: 6,101,798 km (0.113 R)
• M7: 6,486,564 km (0.086 R)
• M8: 7,370,687 km (0.067 R)
• M9: 10,932,463 km (0.077 R)
• M10: 17,257,461 km (0.066 R)
• M11: 24,911,935 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.9

Radius: 7.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 14.25 AU - 20.67 AU

Year: 27782 Days

Day: 15.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 102,945,908 km

• M1: 104,120 km (0.12 R)
• M2: 746,493 km (0.118 R)
• M3: 1,103,583 km (0.06 R)
• M4: 6,403,088 km (0.119 R)
• M5: 6,713,354 km (0.07 R)
• M6: 18,067,234 km (0.051 R)
• M7: 29,683,957 km (0.057 R)
• M8: 30,161,773 km (0.116 R)
• M9: 33,341,775 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 4.8

Gravity: 30.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 17.85 AU - 19.85 AU

Year: 31165 Days

Day: 23.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 102,945,908 km

• M1: 59,690 km (0.082 R)
• M2: 216,169 km (0.106 R)
• M3: 386,561 km (0.116 R)
• M4: 649,853 km (0.044 R)
• M5: 1,053,917 km (0.073 R)
• M6: 1,295,218 km (0.112 R)
• M7: 2,084,796 km (0.057 R)
• M8: 2,621,254 km (0.102 R)
• M9: 2,809,897 km (0.093 R)
• M10: 3,065,859 km (0.12 R)
• M11: 3,494,606 km (0.064 R)
• M12: 3,757,151 km (0.11 R)
• M13: 4,139,373 km (0.065 R)
• M14: 6,945,231 km (0.037 R)
• M15: 8,126,306 km (0.117 R)
• M16: 10,008,995 km (0.114 R)
• M17: 14,195,043 km (0.078 R)
• M18: 25,299,094 km (0.102 R)
• M19: 25,541,892 km (0.099 R)
• M20: 26,653,254 km (0.085 R)
• M21: 29,104,565 km (0.116 R)
• M22: 33,712,030 km (0.12 R)
• M23: 40,248,858 km (0.105 R)
• M24: 41,582,823 km (0.12 R)
• M25: 51,755,927 km (0.05 R)
• M26: 54,132,289 km (0.049 R)
• M27: 64,366,279 km (0.119 R)
• M28: 78,104,151 km (0.067 R)
• M29: 84,970,992 km (0.105 R)
• M30: 86,062,009 km (0.116 R)
• M31: 89,390,712 km (0.104 R)
• M32: 89,671,956 km (0.079 R)
• M33: 91,656,970 km (0.083 R)
• M34: 97,192,091 km (0.103 R)
• M35: 101,104,973 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 10,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit