🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.43 AU - 0.61 AU

Year: 132 Days

Day: 39 Hours

Environment

Temp: 268 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.56 AU - 1.7 AU

Year: 735 Days

Day: 25.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.66 AU - 2.28 AU

Year: 976 Days

Day: 27.2 Hours

Environment

Temp: -53 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.4 AU - 2.98 AU

Year: 1558 Days

Day: 29.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,576,174 km

• M1: 1,793,080 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.62 AU - 4.24 AU

Year: 2243 Days

Day: 37.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.03 AU - 4.45 AU

Year: 3083 Days

Day: 37.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 19.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.3

Radius: 3.1

Gravity: 39.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 19.08 AU - 19.5 AU

Year: 29916 Days

Day: 22.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,576,174 km

• M1: 52,060 km (0.055 R)
• M2: 287,078 km (0.095 R)
• M3: 391,647 km (0.044 R)
• M4: 615,595 km (0.12 R)
• M5: 1,004,998 km (0.049 R)
• M6: 1,123,929 km (0.098 R)
• M7: 1,886,579 km (0.114 R)
• M8: 5,576,410 km (0.078 R)
• M9: 5,782,406 km (0.105 R)
• M10: 7,031,698 km (0.109 R)
• M11: 11,111,083 km (0.115 R)
• M12: 12,524,483 km (0.099 R)
• M13: 12,806,625 km (0.04 R)
• M14: 17,214,077 km (0.097 R)
• M15: 21,213,427 km (0.119 R)
• M16: 21,513,520 km (0.12 R)
• M17: 22,327,632 km (0.082 R)
• M18: 24,343,164 km (0.114 R)
• M19: 24,562,026 km (0.079 R)
• M20: 25,563,583 km (0.044 R)
• M21: 34,299,800 km (0.035 R)
• M22: 36,829,799 km (0.088 R)
• M23: 36,973,862 km (0.093 R)
• M24: 41,162,752 km (0.032 R)
• M25: 47,679,085 km (0.092 R)
• M26: 51,001,654 km (0.071 R)
• M27: 65,623,948 km (0.062 R)
• M28: 67,116,038 km (0.092 R)
• M29: 69,286,703 km (0.067 R)
• M30: 69,946,878 km (0.083 R)
• M31: 74,916,968 km (0.031 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 12,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit