🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.61 AU - 1.01 AU

Year: 210 Days

Day: 39.1 Hours

Environment

Temp: 280 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.79 AU - 0.87 AU

Year: 218 Days

Day: 26.5 Hours

Environment

Temp: 249 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,593,704 km

• M1: 215,870 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.16 AU - 1.6 AU

Year: 467 Days

Day: 27.6 Hours

Environment

Temp: 211 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.27 AU - 2.01 AU

Year: 605 Days

Day: 45.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 60.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,593,704 km

• M1: 318,195 km (0.077 R)
• M2: 743,053 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.25 AU - 5.05 AU

Year: 2434 Days

Day: 44 Hours

Environment

Temp: -51 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.86 AU - 5.26 AU

Year: 3276 Days

Day: 23.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.45 AU - 9.25 AU

Year: 6331 Days

Day: 21.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 15.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 12.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 11.42 AU - 18.7 AU

Year: 16823 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,593,704 km

• M1: 157,975 km (0.098 R)
• M2: 774,767 km (0.071 R)
• M3: 1,474,736 km (0.089 R)
• M4: 1,992,344 km (0.101 R)
• M5: 2,886,641 km (0.099 R)
• M6: 3,577,783 km (0.099 R)
• M7: 4,004,885 km (0.072 R)
• M8: 5,359,194 km (0.076 R)
• M9: 6,917,854 km (0.088 R)
• M10: 8,432,682 km (0.102 R)
• M11: 9,795,669 km (0.057 R)
• M12: 10,263,611 km (0.081 R)
• M13: 10,692,059 km (0.072 R)
• M14: 11,700,049 km (0.062 R)
• M15: 12,286,772 km (0.036 R)
• M16: 12,954,876 km (0.091 R)
• M17: 14,363,789 km (0.11 R)
• M18: 15,381,204 km (0.031 R)
• M19: 17,865,127 km (0.075 R)
• M20: 18,802,358 km (0.103 R)
• M21: 25,321,384 km (0.098 R)
• M22: 32,170,125 km (0.113 R)
• M23: 35,103,440 km (0.098 R)
• M24: 39,112,662 km (0.116 R)
• M25: 43,000,861 km (0.116 R)
• M26: 44,967,175 km (0.069 R)
• M27: 46,262,394 km (0.11 R)
• M28: 47,879,098 km (0.119 R)
• M29: 50,605,369 km (0.104 R)
• M30: 52,796,230 km (0.056 R)

Kuiper Belt

Range: 38.1 - 65.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 18,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit