🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.68 AU - 1.02 AU

Year: 281 Days

Day: 38.7 Hours

Environment

Temp: 159 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.83 AU - 1.03 AU

Year: 321 Days

Day: 17.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.89 AU - 1.01 AU

Year: 332 Days

Day: 43.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 44.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,095,781 km

• M1: 104,419 km (0.032 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.87 AU - 1.07 AU

Year: 342 Days

Day: 43.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,095,781 km

• M1: 39,045 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.86 AU - 1.18 AU

Year: 369 Days

Day: 15.3 Hours

Environment

Temp: 42 °C

Axial Tilt: 105.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.4 AU - 1.56 AU

Year: 645 Days

Day: 38.5 Hours

Environment

Temp: -25 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.49 AU - 2.69 AU

Year: 1493 Days

Day: 40.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,095,781 km

• M1: 66,721 km (0.097 R)
• M2: 143,165 km (0.025 R)

Asteroid Belt

Center: 3.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 14.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.67 AU - 5.91 AU

Year: 4358 Days

Day: 9.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,095,781 km

• M1: 181,612 km (0.1 R)
• M2: 729,140 km (0.107 R)
• M3: 2,133,116 km (0.114 R)
• M4: 3,465,734 km (0.082 R)
• M5: 6,082,649 km (0.078 R)
• M6: 9,452,790 km (0.074 R)
• M7: 9,978,178 km (0.097 R)
• M8: 11,132,176 km (0.087 R)
• M9: 12,661,216 km (0.1 R)
• M10: 13,858,597 km (0.089 R)
• M11: 18,335,912 km (0.06 R)
• M12: 19,283,465 km (0.061 R)
• M13: 23,111,674 km (0.114 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 18,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit