🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.48 AU - 0.6 AU

Year: 146 Days

Day: 33.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 70.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.91 AU - 1.25 AU

Year: 412 Days

Day: 42.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 93,073,153 km

• M1: 134,488 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.99 AU - 1.21 AU

Year: 424 Days

Day: 26.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.25 AU - 1.57 AU

Year: 615 Days

Day: 42.9 Hours

Environment

Temp: -23 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.82 AU - 2.56 AU

Year: 1190 Days

Day: 23.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.38 AU - 4.66 AU

Year: 2959 Days

Day: 37.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.3

Radius: 3.9

Gravity: 44.73 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 16.77 AU - 18.47 AU

Year: 27151 Days

Day: 24.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,073,153 km

• M1: 74,051 km (0.114 R)
• M2: 287,677 km (0.071 R)
• M3: 444,006 km (0.108 R)
• M4: 628,012 km (0.1 R)
• M5: 1,180,327 km (0.081 R)
• M6: 1,383,332 km (0.089 R)
• M7: 1,627,625 km (0.032 R)
• M8: 2,510,252 km (0.11 R)
• M9: 2,846,698 km (0.062 R)
• M10: 2,983,879 km (0.046 R)
• M11: 3,452,719 km (0.115 R)
• M12: 4,036,899 km (0.073 R)
• M13: 4,572,010 km (0.1 R)
• M14: 5,869,173 km (0.109 R)
• M15: 6,506,909 km (0.057 R)
• M16: 10,400,642 km (0.104 R)
• M17: 12,028,866 km (0.086 R)
• M18: 12,171,881 km (0.06 R)
• M19: 12,607,361 km (0.107 R)
• M20: 16,915,929 km (0.078 R)
• M21: 22,218,874 km (0.088 R)
• M22: 22,542,305 km (0.052 R)
• M23: 24,894,432 km (0.112 R)
• M24: 25,713,480 km (0.069 R)
• M25: 28,152,374 km (0.026 R)
• M26: 34,914,647 km (0.069 R)
• M27: 37,897,329 km (0.109 R)
• M28: 38,204,603 km (0.084 R)
• M29: 39,136,449 km (0.116 R)
• M30: 40,562,565 km (0.083 R)
• M31: 48,395,061 km (0.093 R)
• M32: 49,120,311 km (0.119 R)
• M33: 70,844,764 km (0.088 R)
• M34: 73,196,593 km (0.093 R)
• M35: 74,151,775 km (0.076 R)
• M36: 75,115,185 km (0.116 R)
• M37: 87,334,788 km (0.087 R)
• M38: 90,036,974 km (0.091 R)
• M39: 91,408,787 km (0.114 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: 333 - 12,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit