🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.48 AU - 0.64 AU

Year: 266 Days

Day: 40.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 7,761,100 km

• M1: 53,556 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.51 AU - 0.65 AU

Year: 281 Days

Day: 23.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 12.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.55 AU - 0.83 AU

Year: 364 Days

Day: 9.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 7,761,100 km

• M1: 157,377 km (0.113 R)
• M2: 583,581 km (0.119 R)
• M3: 1,179,878 km (0.093 R)
• M4: 1,955,693 km (0.098 R)
• M5: 2,376,063 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 12.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.8 AU - 1.02 AU

Year: 552 Days

Day: 13.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,761,100 km

• M1: 151,842 km (0.077 R)
• M2: 628,610 km (0.044 R)
• M3: 1,378,544 km (0.102 R)
• M4: 2,234,992 km (0.059 R)
• M5: 2,666,133 km (0.094 R)
• M6: 3,055,836 km (0.044 R)
• M7: 3,483,835 km (0.111 R)
• M8: 4,127,256 km (0.061 R)
• M9: 4,749,732 km (0.099 R)
• M10: 5,327,330 km (0.103 R)
• M11: 7,434,715 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.6

Radius: 13

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.63 AU - 2.07 AU

Year: 1600 Days

Day: 12.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,761,100 km

• M1: 164,258 km (0.079 R)
• M2: 732,730 km (0.096 R)
• M3: 2,376,362 km (0.056 R)
• M4: 3,081,716 km (0.037 R)
• M5: 4,126,059 km (0.119 R)
• M6: 4,665,958 km (0.116 R)
• M7: 5,411,404 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 13,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit