🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.6 AU - 0.62 AU

Year: 181 Days

Day: 21.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,269,902 km

• M1: 17,204 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.66 AU - 0.68 AU

Year: 209 Days

Day: 43.5 Hours

Environment

Temp: 147 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.82 AU - 0.98 AU

Year: 325 Days

Day: 37.1 Hours

Environment

Temp: 40 °C

Axial Tilt: 7.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.97 AU - 1.15 AU

Year: 416 Days

Day: 24.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.07 AU - 1.55 AU

Year: 571 Days

Day: 20.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.28 AU - 3.7 AU

Year: 2483 Days

Day: 26.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.1

Radius: 11.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.94 AU - 8.72 AU

Year: 9155 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,269,902 km

• M1: 141,220 km (0.117 R)
• M2: 589,116 km (0.054 R)
• M3: 1,006,046 km (0.059 R)
• M4: 1,786,498 km (0.118 R)
• M5: 2,346,443 km (0.106 R)
• M6: 3,108,943 km (0.119 R)
• M7: 3,697,461 km (0.095 R)
• M8: 4,496,014 km (0.092 R)
• M9: 5,405,719 km (0.091 R)
• M10: 5,863,040 km (0.12 R)
• M11: 6,259,025 km (0.065 R)
• M12: 6,703,032 km (0.097 R)
• M13: 7,621,264 km (0.111 R)
• M14: 8,025,028 km (0.119 R)
• M15: 9,398,785 km (0.058 R)
• M16: 15,394,518 km (0.068 R)
• M17: 17,620,984 km (0.099 R)
• M18: 19,488,115 km (0.117 R)
• M19: 20,891,043 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 8.8

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.98 AU - 9.74 AU

Year: 9205 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,269,902 km

• M1: 109,506 km (0.106 R)
• M2: 444,754 km (0.106 R)
• M3: 978,520 km (0.105 R)
• M4: 1,252,882 km (0.116 R)
• M5: 2,447,571 km (0.105 R)
• M6: 3,009,012 km (0.091 R)
• M7: 4,105,265 km (0.036 R)
• M8: 4,504,541 km (0.112 R)
• M9: 5,515,225 km (0.118 R)
• M10: 7,763,681 km (0.071 R)
• M11: 8,556,549 km (0.071 R)
• M12: 8,832,408 km (0.057 R)
• M13: 9,895,450 km (0.12 R)
• M14: 12,803,483 km (0.102 R)
• M15: 14,354,963 km (0.116 R)
• M16: 15,276,635 km (0.055 R)
• M17: 20,566,566 km (0.044 R)
• M18: 21,822,141 km (0.076 R)
• M19: 23,664,738 km (0.084 R)
• M20: 24,762,936 km (0.099 R)
• M21: 27,060,759 km (0.07 R)
• M22: 30,340,842 km (0.084 R)
• M23: 32,520,184 km (0.111 R)
• M24: 33,193,823 km (0.036 R)
• M25: 34,918,686 km (0.062 R)
• M26: 35,506,606 km (0.077 R)
• M27: 36,823,366 km (0.11 R)
• M28: 42,151,294 km (0.07 R)
• M29: 43,221,218 km (0.072 R)
• M30: 45,694,520 km (0.057 R)
• M31: 48,260,871 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 6.5

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.77 AU - 15.99 AU

Year: 18637 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,269,902 km

• M1: 80,783 km (0.092 R)
• M2: 397,332 km (0.095 R)
• M3: 1,085,931 km (0.113 R)
• M4: 2,063,254 km (0.114 R)
• M5: 2,612,727 km (0.054 R)
• M6: 2,897,412 km (0.067 R)
• M7: 3,758,796 km (0.109 R)
• M8: 6,095,964 km (0.104 R)
• M9: 9,204,907 km (0.114 R)
• M10: 9,586,531 km (0.115 R)
• M11: 12,101,869 km (0.052 R)
• M12: 17,299,049 km (0.056 R)
• M13: 18,560,608 km (0.075 R)
• M14: 21,171,091 km (0.059 R)
• M15: 23,609,835 km (0.108 R)
• M16: 32,162,794 km (0.076 R)
• M17: 36,308,750 km (0.103 R)
• M18: 43,477,779 km (0.073 R)
• M19: 48,365,440 km (0.067 R)
• M20: 54,663,361 km (0.051 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 18,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit