🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.86 AU - 1.08 AU

Year: 342 Days

Day: 30.8 Hours

Environment

Temp: 70 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,381,826 km

• M1: 711,188 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.9 AU - 1.18 AU

Year: 380 Days

Day: 32.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 148.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.8 AU - 1.84 AU

Year: 879 Days

Day: 23.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 11

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.99 AU - 11.65 AU

Year: 11022 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 100,381,826 km

• M1: 226,641 km (0.092 R)
• M2: 1,087,577 km (0.093 R)
• M3: 1,847,534 km (0.074 R)
• M4: 2,455,649 km (0.099 R)
• M5: 3,288,909 km (0.076 R)
• M6: 4,090,903 km (0.088 R)
• M7: 5,648,965 km (0.1 R)
• M8: 7,656,269 km (0.102 R)
• M9: 8,007,376 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.9

Radius: 5.2

Gravity: 29.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 17.59 AU - 18.91 AU

Year: 27923 Days

Day: 24.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,381,826 km

• M1: 105,317 km (0.119 R)
• M2: 275,110 km (0.064 R)
• M3: 891,454 km (0.039 R)
• M4: 1,301,202 km (0.108 R)
• M5: 1,910,514 km (0.12 R)
• M6: 2,486,017 km (0.106 R)
• M7: 2,746,168 km (0.063 R)
• M8: 2,910,875 km (0.111 R)
• M9: 5,354,856 km (0.109 R)
• M10: 8,964,503 km (0.1 R)
• M11: 35,516,030 km (0.113 R)
• M12: 38,451,739 km (0.107 R)
• M13: 43,066,684 km (0.092 R)
• M14: 45,506,775 km (0.051 R)
• M15: 46,220,506 km (0.103 R)
• M16: 48,963,533 km (0.037 R)
• M17: 52,787,105 km (0.111 R)
• M18: 59,310,918 km (0.101 R)
• M19: 59,523,048 km (0.108 R)
• M20: 71,742,950 km (0.063 R)
• M21: 74,668,336 km (0.087 R)
• M22: 78,180,446 km (0.032 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 19,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit