🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.69 AU - 0.75 AU

Year: 223 Days

Day: 12.3 Hours

Environment

Temp: 181 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.78 AU - 0.82 AU

Year: 261 Days

Day: 26.9 Hours

Environment

Temp: 156 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,589,365 km

• M1: 25,880 km (0.118 R)
• M2: 41,887 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.86 AU - 0.94 AU

Year: 312 Days

Day: 43.9 Hours

Environment

Temp: 98 °C

Axial Tilt: 49.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.73 AU - 1.13 AU

Year: 328 Days

Day: 40.6 Hours

Environment

Temp: 113 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,589,365 km

• M1: 40,092 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.49 AU - 3.85 AU

Year: 2568 Days

Day: 17.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,589,365 km

• M1: 1,707,360 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 11.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.7 AU - 10.9 AU

Year: 12964 Days

Day: 12.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,589,365 km

• M1: 144,362 km (0.119 R)
• M2: 500,554 km (0.082 R)
• M3: 1,773,932 km (0.094 R)
• M4: 3,290,854 km (0.066 R)
• M5: 4,053,205 km (0.108 R)
• M6: 8,280,990 km (0.113 R)
• M7: 12,036,645 km (0.107 R)
• M8: 12,803,783 km (0.07 R)
• M9: 14,435,746 km (0.057 R)
• M10: 15,941,299 km (0.072 R)
• M11: 17,757,417 km (0.095 R)
• M12: 18,607,432 km (0.047 R)
• M13: 20,541,882 km (0.111 R)
• M14: 21,557,801 km (0.054 R)
• M15: 21,957,377 km (0.101 R)
• M16: 22,606,931 km (0.106 R)
• M17: 23,774,393 km (0.066 R)
• M18: 28,178,255 km (0.073 R)
• M19: 28,656,071 km (0.045 R)
• M20: 31,843,702 km (0.046 R)
• M21: 37,286,072 km (0.096 R)
• M22: 39,150,660 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 11,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit