🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.61 AU - 0.79 AU

Year: 174 Days

Day: 28.5 Hours

Environment

Temp: 325 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,958,200 km

• M1: 42,635 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.07 AU - 1.51 AU

Year: 434 Days

Day: 25.8 Hours

Environment

Temp: 169 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,958,200 km

• M1: 331,060 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.5 AU - 2.2 AU

Year: 745 Days

Day: 38.3 Hours

Environment

Temp: 79 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.72 AU - 8.92 AU

Year: 5867 Days

Day: 25.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.07 AU - 9.75 AU

Year: 6591 Days

Day: 24.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 23.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.6

Radius: 3.8

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 22.89 AU - 24.25 AU

Year: 33901 Days

Day: 21.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,958,200 km

• M1: 61,036 km (0.106 R)
• M2: 478,713 km (0.117 R)
• M3: 930,798 km (0.115 R)
• M4: 2,323,255 km (0.093 R)
• M5: 2,581,461 km (0.071 R)
• M6: 4,715,026 km (0.114 R)
• M7: 4,850,262 km (0.118 R)
• M8: 4,988,191 km (0.097 R)
• M9: 5,566,088 km (0.073 R)
• M10: 6,767,808 km (0.077 R)
• M11: 8,084,119 km (0.093 R)
• M12: 8,930,394 km (0.083 R)
• M13: 9,562,146 km (0.074 R)
• M14: 12,908,052 km (0.096 R)
• M15: 19,183,384 km (0.083 R)
• M16: 20,951,481 km (0.066 R)
• M17: 22,825,194 km (0.048 R)
• M18: 28,884,955 km (0.05 R)
• M19: 45,102,561 km (0.073 R)
• M20: 55,363,629 km (0.059 R)
• M21: 58,017,046 km (0.072 R)
• M22: 62,059,929 km (0.066 R)

Kuiper Belt

Range: 37.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 12,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit