🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.53 AU - 0.77 AU

Year: 183 Days

Day: 27.9 Hours

Environment

Temp: 239 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.59 AU - 0.75 AU

Year: 191 Days

Day: 25.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.02 AU - 1.58 AU

Year: 516 Days

Day: 45.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.33 AU - 2.79 AU

Year: 1426 Days

Day: 19.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,369,295 km

• M1: 630,106 km (0.044 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.6 AU - 5.3 AU

Year: 3269 Days

Day: 25.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.4 AU - 5.48 AU

Year: 3824 Days

Day: 25.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,369,295 km

• M1: 45,179 km (0.063 R)

Asteroid Belt

Center: 10.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.2

Radius: 7.2

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 13 AU - 18.86 AU

Year: 22142 Days

Day: 24.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,369,295 km

• M1: 90,656 km (0.108 R)
• M2: 339,886 km (0.112 R)
• M3: 1,112,260 km (0.098 R)
• M4: 1,476,980 km (0.062 R)
• M5: 1,827,936 km (0.088 R)
• M6: 2,192,506 km (0.109 R)
• M7: 2,604,798 km (0.036 R)
• M8: 3,198,402 km (0.073 R)
• M9: 3,670,833 km (0.101 R)
• M10: 3,939,361 km (0.107 R)
• M11: 5,258,216 km (0.115 R)
• M12: 5,600,047 km (0.084 R)
• M13: 5,956,838 km (0.089 R)
• M14: 9,544,943 km (0.115 R)
• M15: 10,522,265 km (0.079 R)
• M16: 17,575,506 km (0.11 R)
• M17: 22,305,043 km (0.093 R)
• M18: 23,000,224 km (0.109 R)
• M19: 24,643,407 km (0.116 R)
• M20: 28,856,831 km (0.071 R)
• M21: 34,307,280 km (0.089 R)
• M22: 34,570,123 km (0.11 R)
• M23: 39,390,915 km (0.085 R)
• M24: 42,036,254 km (0.102 R)
• M25: 49,163,246 km (0.083 R)
• M26: 53,981,195 km (0.087 R)
• M27: 54,515,409 km (0.032 R)
• M28: 57,054,833 km (0.083 R)
• M29: 58,166,943 km (0.113 R)
• M30: 61,978,248 km (0.083 R)
• M31: 69,042,858 km (0.093 R)
• M32: 69,672,216 km (0.118 R)
• M33: 70,942,452 km (0.027 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 20,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit