🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.71 AU - 0.77 AU

Year: 227 Days

Day: 44.3 Hours

Environment

Temp: 121 °C

Axial Tilt: 171.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,992,051 km

• M1: 23,188 km (0.111 R)
• M2: 288,425 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.19 AU - 1.29 AU

Year: 492 Days

Day: 38.9 Hours

Environment

Temp: 25 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,992,051 km

• M1: 800,349 km (0.101 R)

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 14.1

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.26 AU - 10.46 AU

Year: 10207 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,992,051 km

• M1: 175,329 km (0.114 R)
• M2: 1,357,601 km (0.084 R)
• M3: 1,858,604 km (0.08 R)
• M4: 2,435,304 km (0.09 R)
• M5: 3,864,562 km (0.071 R)
• M6: 4,685,256 km (0.103 R)
• M7: 7,319,375 km (0.062 R)
• M8: 10,819,666 km (0.081 R)
• M9: 13,376,443 km (0.112 R)
• M10: 14,348,530 km (0.037 R)
• M11: 22,519,117 km (0.084 R)
• M12: 28,796,543 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 12.7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.98 AU - 10.68 AU

Year: 10986 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,992,051 km

• M1: 157,975 km (0.089 R)
• M2: 628,610 km (0.091 R)
• M3: 1,050,626 km (0.049 R)
• M4: 2,057,569 km (0.115 R)
• M5: 2,754,246 km (0.119 R)
• M6: 3,475,757 km (0.103 R)
• M7: 4,033,458 km (0.08 R)
• M8: 4,589,214 km (0.113 R)
• M9: 5,195,534 km (0.076 R)
• M10: 6,337,564 km (0.074 R)
• M11: 7,554,094 km (0.07 R)
• M12: 8,634,939 km (0.046 R)
• M13: 9,511,133 km (0.093 R)
• M14: 10,607,387 km (0.095 R)
• M15: 11,214,305 km (0.112 R)
• M16: 15,705,532 km (0.112 R)
• M17: 17,613,205 km (0.1 R)
• M18: 19,344,501 km (0.077 R)
• M19: 20,588,108 km (0.108 R)
• M20: 21,186,499 km (0.12 R)
• M21: 22,150,209 km (0.062 R)
• M22: 24,070,746 km (0.096 R)
• M23: 25,411,442 km (0.111 R)
• M24: 27,928,277 km (0.066 R)
• M25: 29,840,287 km (0.041 R)
• M26: 31,274,632 km (0.114 R)
• M27: 35,852,925 km (0.081 R)
• M28: 46,752,626 km (0.092 R)
• M29: 50,054,550 km (0.106 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 15,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit