🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.66 AU - 0.68 AU

Year: 204 Days

Day: 28.9 Hours

Environment

Temp: 129 °C

Axial Tilt: 48.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.58 AU - 0.92 AU

Year: 242 Days

Day: 45.5 Hours

Environment

Temp: 180 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.45 AU - 1.83 AU

Year: 783 Days

Day: 31.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,290,335 km

• M1: 105,167 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.61 AU - 1.79 AU

Year: 826 Days

Day: 27.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,290,335 km

• M1: 115,041 km (0.058 R)
• M2: 178,321 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.42 AU - 2.62 AU

Year: 1491 Days

Day: 35 Hours

Environment

Temp: -88 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.91 AU - 4.77 AU

Year: 2805 Days

Day: 36.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.17 AU - 4.57 AU

Year: 2838 Days

Day: 18.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 12.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.4 AU - 7.54 AU

Year: 7611 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,290,335 km

• M1: 169,943 km (0.1 R)
• M2: 1,519,615 km (0.112 R)
• M3: 3,982,744 km (0.076 R)
• M4: 5,744,708 km (0.062 R)
• M5: 6,564,205 km (0.077 R)
• M6: 7,656,718 km (0.101 R)
• M7: 8,999,210 km (0.103 R)
• M8: 10,346,338 km (0.116 R)
• M9: 12,309,661 km (0.106 R)
• M10: 15,320,168 km (0.114 R)
• M11: 21,856,399 km (0.12 R)
• M12: 22,343,340 km (0.099 R)
• M13: 22,920,638 km (0.051 R)
• M14: 25,240,901 km (0.058 R)
• M15: 25,957,475 km (0.102 R)
• M16: 27,431,462 km (0.03 R)
• M17: 34,104,425 km (0.045 R)
• M18: 40,921,301 km (0.034 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 15,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit