🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.8 AU - 1.02 AU

Year: 314 Days

Day: 18.4 Hours

Environment

Temp: 84 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.96 AU - 1.16 AU

Year: 395 Days

Day: 28.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.05 AU - 3.49 AU

Year: 2139 Days

Day: 45.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.1

Radius: 11

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.7 AU - 8.24 AU

Year: 7384 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 101,862,599 km

• M1: 136,882 km (0.104 R)
• M2: 670,049 km (0.051 R)
• M3: 1,483,412 km (0.089 R)
• M4: 4,007,577 km (0.104 R)
• M5: 5,455,386 km (0.088 R)
• M6: 7,780,436 km (0.12 R)
• M7: 8,434,328 km (0.109 R)
• M8: 10,330,780 km (0.081 R)
• M9: 16,342,819 km (0.08 R)
• M10: 16,901,567 km (0.06 R)
• M11: 17,415,287 km (0.07 R)
• M12: 22,246,251 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697

Radius: 6

Gravity: 19.36 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 15.46 AU - 23.18 AU

Year: 30711 Days

Day: 20.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 101,862,599 km

• M1: 74,649 km (0.072 R)
• M2: 397,930 km (0.078 R)
• M3: 1,218,624 km (0.09 R)
• M4: 1,446,911 km (0.088 R)
• M5: 1,947,465 km (0.11 R)
• M6: 3,666,494 km (0.094 R)
• M7: 4,182,158 km (0.102 R)
• M8: 5,024,244 km (0.114 R)
• M9: 5,399,586 km (0.073 R)
• M10: 8,280,990 km (0.093 R)
• M11: 8,510,922 km (0.097 R)
• M12: 9,853,563 km (0.081 R)
• M13: 10,642,542 km (0.072 R)
• M14: 13,183,612 km (0.05 R)
• M15: 15,228,465 km (0.057 R)
• M16: 16,825,572 km (0.061 R)
• M17: 19,425,433 km (0.106 R)
• M18: 24,333,590 km (0.086 R)
• M19: 28,941,054 km (0.092 R)
• M20: 31,938,996 km (0.103 R)
• M21: 34,097,843 km (0.086 R)
• M22: 46,363,372 km (0.098 R)
• M23: 49,690,429 km (0.055 R)
• M24: 50,069,659 km (0.073 R)
• M25: 52,778,578 km (0.116 R)
• M26: 70,390,436 km (0.113 R)
• M27: 71,349,358 km (0.109 R)
• M28: 72,803,898 km (0.118 R)
• M29: 74,278,036 km (0.098 R)
• M30: 78,306,407 km (0.103 R)
• M31: 79,335,640 km (0.076 R)
• M32: 81,684,626 km (0.072 R)
• M33: 83,811,160 km (0.069 R)
• M34: 87,069,850 km (0.117 R)
• M35: 93,549,532 km (0.102 R)
• M36: 94,417,799 km (0.096 R)
• M37: 96,170,188 km (0.099 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 13,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit