🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.44 AU - 0.64 AU

Year: 144 Days

Day: 16.6 Hours

Environment

Temp: 252 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.72 AU - 0.92 AU

Year: 269 Days

Day: 41 Hours

Environment

Temp: 101 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.7 AU - 1.02 AU

Year: 288 Days

Day: 44.7 Hours

Environment

Temp: 174 °C

Axial Tilt: 6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,345,686 km

• M1: 69,862 km (0.111 R)
• M2: 98,735 km (0.033 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.85 AU - 2.57 AU

Year: 1188 Days

Day: 30.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.35 AU - 3.17 AU

Year: 1658 Days

Day: 23.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 98.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,345,686 km

• M1: 449,691 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.1 AU - 4 AU

Year: 2419 Days

Day: 44.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 13.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.6 AU - 8.9 AU

Year: 7060 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,345,686 km

• M1: 170,841 km (0.073 R)
• M2: 730,337 km (0.113 R)
• M3: 1,777,671 km (0.077 R)
• M4: 2,351,978 km (0.049 R)
• M5: 2,950,519 km (0.086 R)
• M6: 4,565,278 km (0.114 R)
• M7: 5,089,768 km (0.034 R)
• M8: 6,566,000 km (0.107 R)
• M9: 7,824,417 km (0.084 R)
• M10: 10,502,219 km (0.056 R)
• M11: 11,668,933 km (0.095 R)
• M12: 12,479,006 km (0.088 R)
• M13: 15,185,530 km (0.111 R)
• M14: 16,517,550 km (0.1 R)
• M15: 17,157,978 km (0.107 R)
• M16: 17,759,511 km (0.12 R)
• M17: 19,121,001 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.8

Radius: 4.1

Gravity: 41.69 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 12.21 AU - 18.97 AU

Year: 22262 Days

Day: 24.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,345,686 km

• M1: 52,509 km (0.112 R)
• M2: 407,355 km (0.087 R)
• M3: 868,864 km (0.065 R)
• M4: 2,876,019 km (0.079 R)
• M5: 3,062,568 km (0.064 R)
• M6: 4,118,878 km (0.099 R)
• M7: 6,778,280 km (0.115 R)
• M8: 6,966,025 km (0.074 R)
• M9: 9,095,401 km (0.048 R)
• M10: 17,737,969 km (0.108 R)
• M11: 23,176,749 km (0.049 R)
• M12: 27,439,690 km (0.116 R)
• M13: 30,258,264 km (0.073 R)
• M14: 30,512,131 km (0.115 R)
• M15: 31,933,610 km (0.118 R)
• M16: 38,954,089 km (0.07 R)
• M17: 47,618,049 km (0.057 R)
• M18: 54,429,390 km (0.117 R)
• M19: 61,861,711 km (0.119 R)
• M20: 65,183,383 km (0.079 R)
• M21: 67,968,297 km (0.106 R)
• M22: 69,500,179 km (0.113 R)
• M23: 71,054,949 km (0.095 R)
• M24: 78,697,755 km (0.032 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 11,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit