🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.54 AU - 0.72 AU

Year: 185 Days

Day: 36.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.63 AU - 0.73 AU

Year: 208 Days

Day: 34.5 Hours

Environment

Temp: 197 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.06 AU - 1.56 AU

Year: 556 Days

Day: 42.2 Hours

Environment

Temp: -17 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.26 AU - 3.86 AU

Year: 2491 Days

Day: 28.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,627,885 km

• M1: 1,569,880 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.11 AU - 4.63 AU

Year: 2823 Days

Day: 39.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.7

Radius: 6.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.52 AU - 17.74 AU

Year: 22916 Days

Day: 22.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,627,885 km

• M1: 80,932 km (0.078 R)
• M2: 312,061 km (0.12 R)
• M3: 762,201 km (0.09 R)
• M4: 1,075,758 km (0.119 R)
• M5: 1,675,795 km (0.11 R)
• M6: 2,050,089 km (0.112 R)
• M7: 2,789,252 km (0.103 R)
• M8: 3,933,826 km (0.097 R)
• M9: 6,985,173 km (0.091 R)
• M10: 7,353,483 km (0.087 R)
• M11: 8,040,138 km (0.085 R)
• M12: 8,582,729 km (0.08 R)
• M13: 9,892,309 km (0.086 R)
• M14: 10,148,570 km (0.119 R)
• M15: 14,612,870 km (0.061 R)
• M16: 15,012,894 km (0.094 R)
• M17: 18,479,675 km (0.044 R)
• M18: 25,097,287 km (0.036 R)
• M19: 30,254,823 km (0.041 R)
• M20: 34,292,918 km (0.111 R)
• M21: 35,835,123 km (0.09 R)
• M22: 40,346,546 km (0.114 R)
• M23: 41,133,431 km (0.066 R)
• M24: 41,663,755 km (0.119 R)
• M25: 48,387,282 km (0.046 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit