🌌 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: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.51 AU - 0.55 AU

Year: 145 Days

Day: 19.5 Hours

Environment

Temp: 156 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.79 AU - 2.91 AU

Year: 1357 Days

Day: 28.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,388,708 km

• M1: 168,148 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.7 AU - 8.9 AU

Year: 9008 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 110,388,708 km

• M1: 174,132 km (0.117 R)
• M2: 806,931 km (0.088 R)
• M3: 1,318,556 km (0.08 R)
• M4: 1,984,865 km (0.057 R)
• M5: 2,645,638 km (0.052 R)
• M6: 3,719,302 km (0.078 R)
• M7: 4,498,109 km (0.062 R)
• M8: 7,378,765 km (0.111 R)
• M9: 7,914,924 km (0.048 R)
• M10: 8,655,434 km (0.111 R)
• M11: 9,112,156 km (0.094 R)
• M12: 11,698,703 km (0.119 R)
• M13: 12,718,512 km (0.091 R)
• M14: 16,410,587 km (0.075 R)
• M15: 17,761,157 km (0.086 R)
• M16: 20,122,110 km (0.106 R)
• M17: 20,682,953 km (0.072 R)
• M18: 21,835,904 km (0.079 R)
• M19: 23,380,801 km (0.106 R)
• M20: 25,927,106 km (0.057 R)
• M21: 30,293,868 km (0.102 R)
• M22: 37,126,601 km (0.086 R)
• M23: 40,201,286 km (0.067 R)
• M24: 43,044,095 km (0.115 R)
• M25: 44,514,642 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.1

Radius: 7.6

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 18.15 AU - 18.85 AU

Year: 29977 Days

Day: 22.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 110,388,708 km

• M1: 222,153 km (0.069 R)
• M2: 521,349 km (0.078 R)
• M3: 1,776,774 km (0.043 R)
• M4: 2,170,366 km (0.069 R)
• M5: 4,278,350 km (0.079 R)
• M6: 8,034,752 km (0.11 R)
• M7: 12,677,372 km (0.113 R)
• M8: 13,229,987 km (0.102 R)
• M9: 16,889,450 km (0.12 R)
• M10: 25,875,196 km (0.105 R)
• M11: 26,508,144 km (0.041 R)
• M12: 33,266,976 km (0.119 R)
• M13: 34,015,115 km (0.089 R)
• M14: 36,012,995 km (0.066 R)
• M15: 43,000,861 km (0.107 R)
• M16: 44,969,868 km (0.115 R)
• M17: 48,129,824 km (0.095 R)
• M18: 52,434,802 km (0.074 R)
• M19: 59,363,128 km (0.104 R)
• M20: 104,539,441 km (0.09 R)
• M21: 110,388,718 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 11,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit