🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 200 Days

Day: 34 Hours

Environment

Temp: 187 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2 AU - 2.64 AU

Year: 1291 Days

Day: 31.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 12.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 9.42 AU - 14.44 AU

Year: 15050 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,418,051 km

• M1: 159,172 km (0.12 R)
• M2: 711,936 km (0.111 R)
• M3: 1,137,542 km (0.091 R)
• M4: 1,849,927 km (0.049 R)
• M5: 2,882,452 km (0.079 R)
• M6: 3,352,488 km (0.099 R)
• M7: 3,897,473 km (0.1 R)
• M8: 5,313,567 km (0.075 R)
• M9: 7,156,762 km (0.089 R)
• M10: 9,928,362 km (0.072 R)
• M11: 12,063,722 km (0.092 R)
• M12: 13,294,164 km (0.101 R)
• M13: 14,430,809 km (0.098 R)
• M14: 15,203,781 km (0.111 R)
• M15: 15,692,966 km (0.111 R)
• M16: 18,782,611 km (0.114 R)
• M17: 25,192,581 km (0.117 R)
• M18: 25,619,832 km (0.029 R)
• M19: 29,779,999 km (0.093 R)
• M20: 31,326,841 km (0.114 R)
• M21: 34,161,721 km (0.101 R)
• M22: 34,790,780 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.1

Radius: 7.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 16.18 AU - 18.58 AU

Year: 26465 Days

Day: 21.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,418,051 km

• M1: 89,759 km (0.06 R)
• M2: 395,986 km (0.089 R)
• M3: 712,385 km (0.076 R)
• M4: 996,771 km (0.109 R)
• M5: 1,728,304 km (0.107 R)
• M6: 2,166,028 km (0.029 R)
• M7: 2,393,267 km (0.057 R)
• M8: 3,284,571 km (0.08 R)
• M9: 4,298,695 km (0.065 R)
• M10: 9,332,663 km (0.106 R)
• M11: 11,703,341 km (0.059 R)
• M12: 13,666,364 km (0.095 R)
• M13: 14,265,204 km (0.037 R)
• M14: 15,838,974 km (0.052 R)
• M15: 16,167,042 km (0.098 R)
• M16: 17,946,808 km (0.097 R)
• M17: 18,447,512 km (0.089 R)
• M18: 34,306,831 km (0.095 R)
• M19: 36,312,639 km (0.105 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: 296 - 11,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit