🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.84 AU - 0.9 AU

Year: 309 Days

Day: 15 Hours

Environment

Temp: 23 °C

Axial Tilt: 43.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.07 AU - 2.17 AU

Year: 1175 Days

Day: 23 Hours

Environment

Temp: -93 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.07 AU - 2.55 AU

Year: 1337 Days

Day: 21.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 76.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 11.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.82 AU - 7.08 AU

Year: 6238 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,828,810 km

• M1: 140,622 km (0.074 R)
• M2: 533,167 km (0.047 R)
• M3: 886,667 km (0.066 R)
• M4: 1,273,826 km (0.039 R)
• M5: 1,738,776 km (0.093 R)
• M6: 2,138,801 km (0.105 R)
• M7: 3,185,387 km (0.091 R)
• M8: 3,540,234 km (0.111 R)
• M9: 4,919,825 km (0.032 R)
• M10: 5,423,970 km (0.108 R)
• M11: 6,788,452 km (0.096 R)
• M12: 7,146,290 km (0.102 R)
• M13: 9,850,870 km (0.091 R)
• M14: 10,481,126 km (0.109 R)
• M15: 11,093,580 km (0.076 R)
• M16: 12,486,336 km (0.108 R)
• M17: 15,955,510 km (0.112 R)
• M18: 16,473,718 km (0.079 R)
• M19: 18,849,930 km (0.059 R)
• M20: 19,559,622 km (0.12 R)
• M21: 23,230,754 km (0.087 R)
• M22: 24,121,609 km (0.086 R)
• M23: 26,129,811 km (0.086 R)
• M24: 26,608,524 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.7

Radius: 6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 10.48 AU - 16.88 AU

Year: 19268 Days

Day: 24.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 178.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,828,810 km

• M1: 74,649 km (0.103 R)
• M2: 294,857 km (0.036 R)
• M3: 948,600 km (0.091 R)
• M4: 2,695,754 km (0.098 R)
• M5: 3,247,022 km (0.097 R)
• M6: 4,598,489 km (0.06 R)
• M7: 5,823,546 km (0.099 R)
• M8: 7,029,754 km (0.055 R)
• M9: 7,594,336 km (0.06 R)
• M10: 8,107,756 km (0.093 R)
• M11: 10,442,829 km (0.1 R)
• M12: 10,830,437 km (0.049 R)
• M13: 11,429,726 km (0.114 R)
• M14: 14,701,432 km (0.11 R)
• M15: 20,138,716 km (0.108 R)
• M16: 20,587,958 km (0.12 R)
• M17: 25,540,844 km (0.097 R)
• M18: 26,067,130 km (0.065 R)
• M19: 27,873,524 km (0.047 R)
• M20: 28,807,464 km (0.051 R)
• M21: 34,107,267 km (0.097 R)
• M22: 37,265,278 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 12,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit