🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.68 AU - 0.88 AU

Year: 264 Days

Day: 19.2 Hours

Environment

Temp: 105 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.32 AU - 3.38 AU

Year: 1842 Days

Day: 35.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.5

Radius: 12.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.42 AU - 7.52 AU

Year: 6301 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,694,212 km

• M1: 157,975 km (0.057 R)
• M2: 799,900 km (0.058 R)
• M3: 1,218,475 km (0.108 R)
• M4: 1,614,161 km (0.038 R)
• M5: 2,290,942 km (0.095 R)
• M6: 3,363,708 km (0.119 R)
• M7: 4,719,065 km (0.116 R)
• M8: 7,795,695 km (0.116 R)
• M9: 11,653,525 km (0.076 R)
• M10: 15,182,090 km (0.075 R)
• M11: 16,116,927 km (0.119 R)
• M12: 17,222,455 km (0.12 R)
• M13: 23,438,546 km (0.093 R)
• M14: 25,370,602 km (0.04 R)
• M15: 26,154,794 km (0.089 R)
• M16: 27,045,051 km (0.044 R)
• M17: 30,320,646 km (0.114 R)
• M18: 33,227,931 km (0.113 R)
• M19: 33,747,335 km (0.108 R)
• M20: 35,554,028 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 11.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.5 AU - 12.14 AU

Year: 12694 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,694,212 km

• M1: 383,120 km (0.034 R)
• M2: 766,539 km (0.116 R)
• M3: 1,208,601 km (0.109 R)
• M4: 1,988,305 km (0.094 R)
• M5: 2,550,344 km (0.082 R)
• M6: 4,065,472 km (0.087 R)
• M7: 6,174,503 km (0.103 R)
• M8: 8,071,852 km (0.113 R)
• M9: 9,051,718 km (0.114 R)
• M10: 9,507,244 km (0.062 R)
• M11: 9,891,411 km (0.108 R)
• M12: 10,874,269 km (0.105 R)
• M13: 12,368,154 km (0.099 R)
• M14: 13,296,109 km (0.04 R)
• M15: 14,380,843 km (0.058 R)
• M16: 17,925,116 km (0.069 R)
• M17: 20,992,172 km (0.114 R)
• M18: 21,498,860 km (0.106 R)
• M19: 24,234,556 km (0.048 R)
• M20: 25,933,389 km (0.057 R)
• M21: 27,537,677 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 19,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit