🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.56 AU - 0.76 AU

Year: 201 Days

Day: 36.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 164.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.65 AU - 0.71 AU

Year: 210 Days

Day: 26 Hours

Environment

Temp: 160 °C

Axial Tilt: 47.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.2 AU - 1.28 AU

Year: 517 Days

Day: 20.5 Hours

Environment

Temp: -13 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 13.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.24 AU - 8.48 AU

Year: 6733 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,093,329 km

• M1: 172,935 km (0.071 R)
• M2: 719,117 km (0.063 R)
• M3: 1,208,152 km (0.095 R)
• M4: 1,645,128 km (0.051 R)
• M5: 2,290,194 km (0.054 R)
• M6: 2,797,779 km (0.053 R)
• M7: 3,608,301 km (0.034 R)
• M8: 4,407,752 km (0.096 R)
• M9: 4,850,262 km (0.074 R)
• M10: 5,322,543 km (0.091 R)
• M11: 6,089,082 km (0.111 R)
• M12: 7,001,480 km (0.055 R)
• M13: 7,452,368 km (0.054 R)
• M14: 8,454,673 km (0.071 R)
• M15: 12,004,332 km (0.09 R)
• M16: 13,267,087 km (0.06 R)
• M17: 15,544,864 km (0.06 R)
• M18: 16,315,443 km (0.048 R)
• M19: 17,111,453 km (0.104 R)
• M20: 18,424,474 km (0.071 R)
• M21: 18,996,985 km (0.104 R)
• M22: 19,434,259 km (0.097 R)
• M23: 23,929,825 km (0.095 R)
• M24: 26,644,877 km (0.06 R)
• M25: 28,029,704 km (0.073 R)
• M26: 29,462,104 km (0.102 R)
• M27: 30,245,697 km (0.076 R)
• M28: 32,162,495 km (0.119 R)
• M29: 36,237,242 km (0.091 R)
• M30: 37,250,319 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.2

Radius: 3.7

Gravity: 42.67 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.86 AU - 16.68 AU

Year: 19148 Days

Day: 16.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,093,329 km

• M1: 46,375 km (0.091 R)
• M2: 282,441 km (0.11 R)
• M3: 447,746 km (0.119 R)
• M4: 1,153,699 km (0.057 R)
• M5: 1,826,141 km (0.076 R)
• M6: 1,975,440 km (0.104 R)
• M7: 3,023,672 km (0.083 R)
• M8: 3,651,983 km (0.112 R)
• M9: 6,687,773 km (0.103 R)
• M10: 11,198,897 km (0.108 R)
• M11: 27,632,971 km (0.058 R)
• M12: 28,546,116 km (0.04 R)
• M13: 32,400,206 km (0.096 R)
• M14: 38,526,688 km (0.079 R)
• M15: 43,827,389 km (0.08 R)
• M16: 47,618,797 km (0.105 R)
• M17: 62,602,221 km (0.113 R)
• M18: 69,883,449 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 11,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit