🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.58 AU - 0.6 AU

Year: 159 Days

Day: 12.6 Hours

Environment

Temp: 214 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,180,498 km

• M1: 36,801 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.02 AU - 1.66 AU

Year: 543 Days

Day: 19.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.87 AU - 2.31 AU

Year: 1057 Days

Day: 36.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.39 AU - 2.97 AU

Year: 1535 Days

Day: 41.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,180,498 km

• M1: 554,859 km (0.088 R)
• M2: 750,233 km (0.038 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.71 AU - 3.63 AU

Year: 1975 Days

Day: 40.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,180,498 km

• M1: 2,103,645 km (0.095 R)

Asteroid Belt

Center: 6.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 12.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.91 AU - 12.67 AU

Year: 12400 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,180,498 km

• M1: 159,172 km (0.108 R)
• M2: 663,467 km (0.114 R)
• M3: 4,044,079 km (0.076 R)
• M4: 4,608,063 km (0.117 R)
• M5: 5,958,184 km (0.106 R)
• M6: 7,939,757 km (0.087 R)
• M7: 9,960,525 km (0.106 R)
• M8: 10,896,260 km (0.08 R)
• M9: 15,234,449 km (0.094 R)
• M10: 16,159,712 km (0.074 R)
• M11: 18,533,082 km (0.115 R)
• M12: 19,875,274 km (0.093 R)
• M13: 27,753,696 km (0.116 R)
• M14: 30,945,516 km (0.118 R)
• M15: 34,374,449 km (0.102 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 12,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit