🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.7 AU - 0.96 AU

Year: 290 Days

Day: 42.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 26,393,863 km

• M1: 30,219 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.66 AU - 1.04 AU

Year: 300 Days

Day: 44.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 26,393,863 km

• M1: 446,550 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.98 AU - 1 AU

Year: 377 Days

Day: 13.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.66 AU - 2.58 AU

Year: 1182 Days

Day: 20.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.39 AU - 3.17 AU

Year: 1775 Days

Day: 34.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 157.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.3

Radius: 11.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.86 AU - 10.72 AU

Year: 10842 Days

Day: 7.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,393,863 km

• M1: 141,071 km (0.093 R)
• M2: 534,962 km (0.111 R)
• M3: 1,782,010 km (0.039 R)
• M4: 2,212,104 km (0.102 R)
• M5: 2,830,392 km (0.039 R)
• M6: 5,235,477 km (0.078 R)
• M7: 6,040,164 km (0.05 R)
• M8: 7,825,465 km (0.059 R)
• M9: 9,029,279 km (0.099 R)
• M10: 10,102,943 km (0.119 R)
• M11: 11,893,330 km (0.1 R)
• M12: 14,299,761 km (0.115 R)
• M13: 14,989,108 km (0.052 R)
• M14: 17,190,591 km (0.062 R)
• M15: 17,909,259 km (0.029 R)
• M16: 19,535,238 km (0.066 R)
• M17: 25,846,323 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 10,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit