🌌 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: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.7 AU - 0.94 AU

Year: 260 Days

Day: 39.2 Hours

Environment

Temp: 124 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.9 AU - 1.2 AU

Year: 376 Days

Day: 40.6 Hours

Environment

Temp: 145 °C

Axial Tilt: 47.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.7 AU - 3.16 AU

Year: 1755 Days

Day: 20.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864

Radius: 12.4

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.01 AU - 10.51 AU

Year: 9858 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 24,923,953 km

• M1: 154,235 km (0.111 R)
• M2: 1,022,352 km (0.104 R)
• M3: 1,591,123 km (0.092 R)
• M4: 2,025,854 km (0.035 R)
• M5: 2,682,290 km (0.091 R)
• M6: 3,602,317 km (0.096 R)
• M7: 4,422,412 km (0.098 R)
• M8: 5,532,279 km (0.053 R)
• M9: 6,061,407 km (0.058 R)
• M10: 7,018,683 km (0.118 R)
• M11: 8,162,957 km (0.092 R)
• M12: 11,091,186 km (0.119 R)
• M13: 14,460,579 km (0.067 R)
• M14: 14,857,911 km (0.105 R)
• M15: 17,923,171 km (0.101 R)
• M16: 21,387,260 km (0.083 R)
• M17: 21,903,671 km (0.092 R)
• M18: 25,658,578 km (0.061 R)
• M19: 26,933,601 km (0.058 R)
• M20: 27,334,373 km (0.084 R)
• M21: 27,739,036 km (0.065 R)
• M22: 28,976,958 km (0.07 R)
• M23: 37,562,679 km (0.069 R)
• M24: 38,315,007 km (0.075 R)
• M25: 44,420,694 km (0.051 R)
• M26: 46,113,992 km (0.067 R)
• M27: 48,438,145 km (0.059 R)
• M28: 49,329,599 km (0.091 R)
• M29: 50,080,730 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 14.3

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.97 AU - 11.69 AU

Year: 13342 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,923,953 km

• M1: 197,768 km (0.096 R)
• M2: 1,133,353 km (0.077 R)
• M3: 2,779,977 km (0.094 R)
• M4: 4,784,738 km (0.108 R)
• M5: 14,949,914 km (0.108 R)
• M6: 16,305,270 km (0.074 R)
• M7: 17,099,186 km (0.055 R)
• M8: 19,699,796 km (0.065 R)
• M9: 24,775,801 km (0.084 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit