🌌 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: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.61 AU - 0.71 AU

Year: 195 Days

Day: 44.2 Hours

Environment

Temp: 122 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.94 AU - 1 AU

Year: 347 Days

Day: 13.1 Hours

Environment

Temp: 22 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,463,321 km

• M1: 677,529 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.62 AU - 1.78 AU

Year: 806 Days

Day: 35.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,463,321 km

• M1: 265,087 km (0.109 R)
• M2: 521,498 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 9.8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 9.13 AU - 12.01 AU

Year: 12489 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,463,321 km

• M1: 122,820 km (0.105 R)
• M2: 508,483 km (0.119 R)
• M3: 963,261 km (0.111 R)
• M4: 1,374,056 km (0.105 R)
• M5: 1,681,181 km (0.048 R)
• M6: 3,051,797 km (0.038 R)
• M7: 3,383,156 km (0.11 R)
• M8: 3,764,930 km (0.078 R)
• M9: 4,465,646 km (0.117 R)
• M10: 5,054,314 km (0.094 R)
• M11: 6,015,480 km (0.05 R)
• M12: 6,932,365 km (0.096 R)
• M13: 7,636,373 km (0.112 R)
• M14: 9,041,995 km (0.08 R)
• M15: 9,381,881 km (0.064 R)
• M16: 9,730,444 km (0.084 R)
• M17: 10,828,043 km (0.108 R)
• M18: 14,352,121 km (0.083 R)
• M19: 15,981,989 km (0.05 R)
• M20: 17,357,392 km (0.096 R)
• M21: 18,888,526 km (0.049 R)
• M22: 19,364,996 km (0.105 R)
• M23: 24,205,983 km (0.059 R)
• M24: 26,016,416 km (0.119 R)
• M25: 26,606,280 km (0.119 R)
• M26: 30,443,615 km (0.091 R)
• M27: 32,211,563 km (0.102 R)
• M28: 36,072,535 km (0.106 R)
• M29: 37,674,728 km (0.042 R)
• M30: 40,756,294 km (0.07 R)
• M31: 45,545,521 km (0.115 R)
• M32: 50,849,663 km (0.097 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 17,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit