🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.57 AU - 0.59 AU

Year: 166 Days

Day: 25.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 45.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.61 AU - 0.71 AU

Year: 201 Days

Day: 33.5 Hours

Environment

Temp: 188 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.35 AU - 1.35 AU

Year: 588 Days

Day: 37.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,864,481 km

• M1: 78,838 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.68 AU - 2.64 AU

Year: 1190 Days

Day: 46.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,864,481 km

• M1: 47,273 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.53 AU - 3.69 AU

Year: 2055 Days

Day: 33.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.47 AU - 3.97 AU

Year: 2689 Days

Day: 20.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,864,481 km

• M1: 790,176 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 9.1

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.52 AU - 7.52 AU

Year: 6239 Days

Day: 13.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,864,481 km

• M1: 115,041 km (0.087 R)
• M2: 423,212 km (0.072 R)
• M3: 1,019,659 km (0.098 R)
• M4: 1,443,470 km (0.113 R)
• M5: 1,788,891 km (0.03 R)
• M6: 2,256,385 km (0.113 R)
• M7: 2,725,823 km (0.102 R)
• M8: 3,836,138 km (0.077 R)
• M9: 4,214,022 km (0.11 R)
• M10: 4,589,064 km (0.076 R)
• M11: 5,752,637 km (0.1 R)
• M12: 6,113,915 km (0.1 R)
• M13: 6,455,447 km (0.086 R)
• M14: 7,028,407 km (0.111 R)
• M15: 9,665,070 km (0.098 R)
• M16: 14,880,500 km (0.105 R)
• M17: 16,990,129 km (0.117 R)
• M18: 19,510,704 km (0.082 R)
• M19: 20,860,077 km (0.066 R)
• M20: 23,410,870 km (0.116 R)
• M21: 24,079,722 km (0.102 R)
• M22: 25,193,628 km (0.076 R)
• M23: 31,992,253 km (0.1 R)
• M24: 32,608,596 km (0.087 R)
• M25: 34,936,339 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 16,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit