🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.44 AU - 0.58 AU

Year: 136 Days

Day: 17.7 Hours

Environment

Temp: 245 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,142,769 km

• M1: 47,871 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.68 AU - 0.72 AU

Year: 219 Days

Day: 19.9 Hours

Environment

Temp: 118 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,142,769 km

• M1: 16,157 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2 AU - 2 AU

Year: 1060 Days

Day: 38.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,142,769 km

• M1: 366,664 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 10.5

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.65 AU - 5.43 AU

Year: 3625 Days

Day: 13.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,142,769 km

• M1: 130,898 km (0.102 R)
• M2: 733,030 km (0.082 R)
• M3: 1,555,070 km (0.095 R)
• M4: 2,075,670 km (0.059 R)
• M5: 2,908,482 km (0.067 R)
• M6: 3,545,769 km (0.098 R)
• M7: 6,877,313 km (0.052 R)
• M8: 7,673,473 km (0.036 R)
• M9: 8,423,856 km (0.054 R)
• M10: 9,259,809 km (0.108 R)
• M11: 10,150,216 km (0.097 R)
• M12: 11,352,982 km (0.102 R)
• M13: 12,464,046 km (0.054 R)
• M14: 12,834,450 km (0.087 R)
• M15: 13,452,140 km (0.048 R)
• M16: 15,583,909 km (0.087 R)
• M17: 16,786,227 km (0.084 R)
• M18: 17,873,355 km (0.12 R)
• M19: 20,187,485 km (0.025 R)
• M20: 20,892,988 km (0.037 R)
• M21: 21,350,608 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 10.4

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.34 AU - 8.54 AU

Year: 6851 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,142,769 km

• M1: 131,646 km (0.053 R)
• M2: 582,833 km (0.095 R)
• M3: 1,186,162 km (0.114 R)
• M4: 1,519,017 km (0.063 R)
• M5: 1,899,893 km (0.091 R)
• M6: 2,583,406 km (0.112 R)
• M7: 3,286,665 km (0.119 R)
• M8: 3,957,761 km (0.03 R)
• M9: 4,717,868 km (0.081 R)
• M10: 5,935,146 km (0.085 R)
• M11: 6,744,919 km (0.095 R)
• M12: 7,468,075 km (0.032 R)
• M13: 12,878,881 km (0.074 R)
• M14: 13,339,642 km (0.11 R)
• M15: 14,416,747 km (0.118 R)
• M16: 24,326,110 km (0.084 R)
• M17: 25,119,876 km (0.097 R)
• M18: 26,388,765 km (0.054 R)
• M19: 29,152,586 km (0.048 R)
• M20: 38,950,199 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 11,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit