🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.86 AU - 0.88 AU

Year: 289 Days

Day: 29.9 Hours

Environment

Temp: 179 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.77 AU - 1.19 AU

Year: 346 Days

Day: 29.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,299,028 km

• M1: 78,688 km (0.042 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.36 AU - 1.48 AU

Year: 603 Days

Day: 18.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 13.4

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.17 AU - 6.31 AU

Year: 4902 Days

Day: 12.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,299,028 km

• M1: 166,951 km (0.059 R)
• M2: 671,994 km (0.113 R)
• M3: 1,592,021 km (0.05 R)
• M4: 3,418,461 km (0.109 R)
• M5: 3,926,047 km (0.103 R)
• M6: 5,607,227 km (0.107 R)
• M7: 7,265,669 km (0.075 R)
• M8: 8,880,728 km (0.094 R)
• M9: 9,699,477 km (0.032 R)
• M10: 11,569,899 km (0.113 R)
• M11: 14,043,650 km (0.087 R)
• M12: 14,568,140 km (0.075 R)
• M13: 17,389,705 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 8.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.88 AU - 12.66 AU

Year: 11731 Days

Day: 12.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,299,028 km

• M1: 109,506 km (0.118 R)
• M2: 408,701 km (0.052 R)
• M3: 1,171,351 km (0.117 R)
• M4: 1,546,992 km (0.075 R)
• M5: 2,124,739 km (0.037 R)
• M6: 2,626,490 km (0.106 R)
• M7: 3,921,110 km (0.117 R)
• M8: 4,464,898 km (0.11 R)
• M9: 5,222,611 km (0.104 R)
• M10: 6,211,902 km (0.069 R)
• M11: 6,910,973 km (0.065 R)
• M12: 8,887,609 km (0.102 R)
• M13: 9,928,063 km (0.051 R)
• M14: 10,292,184 km (0.068 R)
• M15: 14,310,084 km (0.025 R)
• M16: 16,160,160 km (0.082 R)
• M17: 17,328,819 km (0.117 R)
• M18: 18,164,323 km (0.09 R)
• M19: 28,466,081 km (0.091 R)
• M20: 29,202,103 km (0.099 R)
• M21: 31,375,012 km (0.076 R)
• M22: 32,500,885 km (0.083 R)
• M23: 33,189,335 km (0.108 R)
• M24: 34,476,475 km (0.047 R)
• M25: 36,530,753 km (0.085 R)
• M26: 37,150,088 km (0.078 R)
• M27: 38,282,544 km (0.092 R)
• M28: 43,873,615 km (0.101 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 15,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit