🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.66 AU - 0.82 AU

Year: 226 Days

Day: 17.9 Hours

Environment

Temp: 126 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 58,924,057 km

• M1: 262,993 km (0.082 R)
• M2: 500,854 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.06 AU - 1.2 AU

Year: 426 Days

Day: 21 Hours

Environment

Temp: 20 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.71 AU - 1.79 AU

Year: 821 Days

Day: 37.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.93 AU - 2.09 AU

Year: 1011 Days

Day: 31.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 9.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.37 AU - 8.89 AU

Year: 8224 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,924,057 km

• M1: 124,166 km (0.083 R)
• M2: 464,202 km (0.079 R)
• M3: 1,903,783 km (0.084 R)
• M4: 2,318,468 km (0.089 R)
• M5: 3,268,265 km (0.076 R)
• M6: 3,727,680 km (0.06 R)
• M7: 5,166,512 km (0.073 R)
• M8: 6,366,885 km (0.045 R)
• M9: 7,446,384 km (0.107 R)
• M10: 7,857,479 km (0.098 R)
• M11: 8,806,976 km (0.062 R)
• M12: 10,372,368 km (0.106 R)
• M13: 15,621,309 km (0.079 R)
• M14: 15,925,741 km (0.076 R)
• M15: 18,983,222 km (0.112 R)
• M16: 20,906,153 km (0.089 R)
• M17: 23,349,086 km (0.052 R)
• M18: 27,714,950 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.8

Radius: 5.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 16.49 AU - 19.01 AU

Year: 26530 Days

Day: 17.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,924,057 km

• M1: 71,807 km (0.059 R)
• M2: 671,096 km (0.069 R)
• M3: 1,475,484 km (0.114 R)
• M4: 1,739,524 km (0.095 R)
• M5: 2,204,025 km (0.113 R)
• M6: 2,592,980 km (0.087 R)
• M7: 3,299,082 km (0.096 R)
• M8: 4,155,679 km (0.113 R)
• M9: 7,121,756 km (0.106 R)
• M10: 7,968,929 km (0.057 R)
• M11: 8,345,018 km (0.105 R)
• M12: 11,852,340 km (0.117 R)
• M13: 26,625,728 km (0.082 R)
• M14: 28,648,591 km (0.103 R)
• M15: 29,977,618 km (0.036 R)
• M16: 36,469,418 km (0.081 R)
• M17: 44,420,694 km (0.065 R)
• M18: 46,499,207 km (0.117 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 19,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit