🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 285 Days

Day: 44.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,686,484 km

• M1: 120,426 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 12.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.52 AU - 0.84 AU

Year: 362 Days

Day: 13.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,686,484 km

• M1: 161,416 km (0.081 R)
• M2: 801,695 km (0.094 R)
• M3: 1,369,868 km (0.107 R)
• M4: 2,466,270 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 11.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.31 AU - 7.03 AU

Year: 8717 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,686,484 km

• M1: 147,952 km (0.099 R)
• M2: 701,764 km (0.104 R)
• M3: 1,434,644 km (0.078 R)
• M4: 2,074,922 km (0.056 R)
• M5: 2,682,888 km (0.081 R)
• M6: 3,284,421 km (0.062 R)
• M7: 3,661,258 km (0.059 R)
• M8: 4,185,150 km (0.045 R)
• M9: 4,629,755 km (0.059 R)
• M10: 5,498,470 km (0.082 R)
• M11: 7,666,442 km (0.106 R)
• M12: 8,566,124 km (0.115 R)
• M13: 9,618,993 km (0.066 R)
• M14: 13,244,049 km (0.057 R)
• M15: 13,773,476 km (0.096 R)
• M16: 14,316,965 km (0.084 R)
• M17: 14,987,911 km (0.099 R)
• M18: 16,332,796 km (0.061 R)
• M19: 17,502,951 km (0.09 R)
• M20: 18,140,986 km (0.091 R)
• M21: 20,356,979 km (0.097 R)
• M22: 21,421,667 km (0.098 R)
• M23: 22,898,497 km (0.064 R)
• M24: 23,354,472 km (0.065 R)
• M25: 25,807,877 km (0.102 R)
• M26: 27,821,614 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.2

Radius: 7.4

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.16 AU - 10.12 AU

Year: 19326 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,686,484 km

• M1: 96,790 km (0.118 R)
• M2: 382,971 km (0.066 R)
• M3: 1,826,291 km (0.064 R)
• M4: 2,525,960 km (0.035 R)
• M5: 4,285,381 km (0.077 R)
• M6: 11,684,342 km (0.081 R)
• M7: 14,385,182 km (0.051 R)
• M8: 31,565,749 km (0.115 R)
• M9: 38,598,195 km (0.101 R)
• M10: 41,394,180 km (0.074 R)
• M11: 41,969,234 km (0.031 R)
• M12: 49,450,923 km (0.105 R)
• M13: 53,589,697 km (0.056 R)
• M14: 56,356,360 km (0.068 R)
• M15: 60,129,967 km (0.12 R)
• M16: 61,610,836 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 15,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit