🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.85 AU - 0.99 AU

Year: 322 Days

Day: 34.8 Hours

Environment

Temp: 92 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 107,226,907 km

• M1: 230,680 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.31 AU - 1.33 AU

Year: 554 Days

Day: 20.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 107,226,907 km

• M1: 24,833 km (0.056 R)
• M2: 317,147 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.75 AU - 2.63 AU

Year: 1184 Days

Day: 13.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.18 AU - 2.38 AU

Year: 1257 Days

Day: 22.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.07 AU - 3.69 AU

Year: 2270 Days

Day: 24.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 107,226,907 km

• M1: 56,997 km (0.075 R)
• M2: 250,576 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 14.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 10.25 AU - 12.33 AU

Year: 13856 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 107,226,907 km

• M1: 179,069 km (0.107 R)
• M2: 1,361,939 km (0.03 R)
• M3: 2,078,812 km (0.109 R)
• M4: 2,645,489 km (0.11 R)
• M5: 3,162,499 km (0.109 R)
• M6: 3,775,102 km (0.081 R)
• M7: 7,325,060 km (0.08 R)
• M8: 8,652,890 km (0.095 R)
• M9: 9,427,508 km (0.102 R)
• M10: 11,056,031 km (0.114 R)
• M11: 12,734,668 km (0.082 R)
• M12: 19,300,519 km (0.116 R)
• M13: 19,910,729 km (0.12 R)
• M14: 22,673,053 km (0.093 R)
• M15: 23,450,813 km (0.113 R)
• M16: 24,549,310 km (0.116 R)
• M17: 26,208,051 km (0.106 R)
• M18: 27,173,406 km (0.113 R)
• M19: 32,849,598 km (0.11 R)
• M20: 34,097,992 km (0.051 R)
• M21: 35,377,952 km (0.058 R)
• M22: 40,251,252 km (0.117 R)
• M23: 41,248,322 km (0.095 R)
• M24: 43,589,080 km (0.051 R)
• M25: 47,264,250 km (0.095 R)
• M26: 49,826,114 km (0.072 R)
• M27: 50,810,318 km (0.116 R)
• M28: 54,876,987 km (0.105 R)
• M29: 60,816,172 km (0.093 R)
• M30: 62,128,893 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.4

Radius: 5.4

Gravity: 26.63 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 18.75 AU - 20.23 AU

Year: 31427 Days

Day: 20 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 107,226,907 km

• M1: 67,169 km (0.081 R)
• M2: 380,577 km (0.101 R)
• M3: 651,349 km (0.066 R)
• M4: 1,102,686 km (0.115 R)
• M5: 2,106,787 km (0.051 R)
• M6: 2,762,624 km (0.08 R)
• M7: 3,883,262 km (0.118 R)
• M8: 5,451,197 km (0.111 R)
• M9: 7,670,930 km (0.053 R)
• M10: 11,051,393 km (0.109 R)
• M11: 14,198,484 km (0.068 R)
• M12: 16,940,912 km (0.072 R)
• M13: 20,975,267 km (0.111 R)
• M14: 21,301,390 km (0.113 R)
• M15: 23,679,697 km (0.108 R)
• M16: 23,915,015 km (0.098 R)
• M17: 25,854,252 km (0.096 R)
• M18: 26,734,785 km (0.11 R)
• M19: 28,821,975 km (0.081 R)
• M20: 36,980,743 km (0.105 R)
• M21: 41,582,972 km (0.055 R)
• M22: 48,608,836 km (0.074 R)
• M23: 49,755,504 km (0.079 R)
• M24: 50,919,974 km (0.053 R)
• M25: 54,727,389 km (0.113 R)
• M26: 56,595,418 km (0.1 R)
• M27: 60,239,023 km (0.111 R)
• M28: 61,339,765 km (0.083 R)
• M29: 71,609,958 km (0.112 R)
• M30: 72,102,284 km (0.042 R)
• M31: 73,342,750 km (0.105 R)
• M32: 78,708,526 km (0.102 R)
• M33: 82,427,529 km (0.093 R)
• M34: 86,819,124 km (0.118 R)
• M35: 100,001,689 km (0.045 R)
• M36: 104,992,274 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 18,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit