🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.6 AU - 0.88 AU

Year: 223 Days

Day: 15.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,027,850 km

• M1: 51,312 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 1.01 AU

Year: 260 Days

Day: 15.9 Hours

Environment

Temp: 119 °C

Axial Tilt: 9.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.78 AU - 1.22 AU

Year: 350 Days

Day: 42.5 Hours

Environment

Temp: 140 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,027,850 km

• M1: 126,261 km (0.033 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.02 AU - 1.4 AU

Year: 466 Days

Day: 27.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 155.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,027,850 km

• M1: 810,820 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.73 AU - 2.47 AU

Year: 1065 Days

Day: 18.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.7 AU - 2.86 AU

Year: 1622 Days

Day: 41.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.3 AU - 3.54 AU

Year: 1746 Days

Day: 20.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,027,850 km

• M1: 33,061 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 12.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.02 AU - 12.16 AU

Year: 12056 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,027,850 km

• M1: 151,692 km (0.032 R)
• M2: 812,915 km (0.038 R)
• M3: 1,657,844 km (0.063 R)
• M4: 2,540,321 km (0.102 R)
• M5: 3,109,841 km (0.106 R)
• M6: 3,738,451 km (0.058 R)
• M7: 4,366,911 km (0.109 R)
• M8: 5,971,947 km (0.107 R)
• M9: 6,946,128 km (0.113 R)
• M10: 7,531,505 km (0.081 R)
• M11: 8,846,021 km (0.111 R)
• M12: 9,676,439 km (0.112 R)
• M13: 11,546,113 km (0.084 R)
• M14: 16,055,442 km (0.114 R)
• M15: 19,872,132 km (0.056 R)
• M16: 23,555,830 km (0.085 R)
• M17: 24,255,200 km (0.105 R)
• M18: 25,695,678 km (0.075 R)
• M19: 29,044,277 km (0.101 R)
• M20: 33,215,514 km (0.092 R)
• M21: 35,671,911 km (0.05 R)
• M22: 40,320,217 km (0.104 R)
• M23: 42,082,928 km (0.072 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 11,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit