🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.5 AU - 0.8 AU

Year: 190 Days

Day: 12.1 Hours

Environment

Temp: 198 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.55 AU - 0.83 AU

Year: 208 Days

Day: 26.3 Hours

Environment

Temp: 158 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,746,951 km

• M1: 60,737 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.29 AU

Year: 472 Days

Day: 14.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 91.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,746,951 km

• M1: 80,633 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.45 AU - 1.79 AU

Year: 749 Days

Day: 22.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.33 AU - 2.09 AU

Year: 813 Days

Day: 38.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 11

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.29 AU - 13.13 AU

Year: 13641 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,746,951 km

• M1: 136,732 km (0.09 R)
• M2: 485,295 km (0.077 R)
• M3: 886,517 km (0.12 R)
• M4: 1,281,904 km (0.047 R)
• M5: 2,201,333 km (0.069 R)
• M6: 2,858,367 km (0.083 R)
• M7: 3,514,652 km (0.118 R)
• M8: 4,871,206 km (0.068 R)
• M9: 5,426,962 km (0.039 R)
• M10: 6,024,755 km (0.1 R)
• M11: 6,510,948 km (0.119 R)
• M12: 7,268,661 km (0.098 R)
• M13: 8,039,838 km (0.12 R)
• M14: 11,509,013 km (0.063 R)
• M15: 12,259,246 km (0.086 R)
• M16: 14,179,784 km (0.049 R)
• M17: 16,079,976 km (0.077 R)
• M18: 20,049,406 km (0.065 R)
• M19: 22,525,251 km (0.085 R)
• M20: 23,242,572 km (0.074 R)
• M21: 29,646,857 km (0.07 R)
• M22: 31,055,321 km (0.059 R)
• M23: 35,910,520 km (0.086 R)
• M24: 37,137,073 km (0.05 R)
• M25: 38,645,319 km (0.118 R)
• M26: 39,673,355 km (0.064 R)
• M27: 40,456,201 km (0.069 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 16,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit