🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.48 AU - 0.78 AU

Year: 179 Days

Day: 38.1 Hours

Environment

Temp: 209 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,539,616 km

• M1: 72,705 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.98 AU - 1.48 AU

Year: 489 Days

Day: 42.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 50,539,616 km

• M1: 29,172 km (0.097 R)
• M2: 53,855 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.35 AU - 1.83 AU

Year: 718 Days

Day: 41.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,539,616 km

• M1: 302,337 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.95 AU - 3.11 AU

Year: 1889 Days

Day: 44.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.22 AU - 5.24 AU

Year: 3684 Days

Day: 26.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 19.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.5

Radius: 7.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 17.6 AU - 21.86 AU

Year: 31388 Days

Day: 16.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 88.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,539,616 km

• M1: 98,884 km (0.095 R)
• M2: 794,365 km (0.116 R)
• M3: 1,812,677 km (0.104 R)
• M4: 2,114,865 km (0.093 R)
• M5: 2,652,071 km (0.106 R)
• M6: 3,573,594 km (0.106 R)
• M7: 3,860,971 km (0.061 R)
• M8: 7,778,042 km (0.08 R)
• M9: 8,352,797 km (0.099 R)
• M10: 9,736,727 km (0.088 R)
• M11: 11,156,860 km (0.101 R)
• M12: 13,569,724 km (0.114 R)
• M13: 17,030,670 km (0.058 R)
• M14: 18,690,309 km (0.118 R)
• M15: 19,319,518 km (0.058 R)
• M16: 19,800,774 km (0.117 R)
• M17: 26,607,477 km (0.104 R)
• M18: 28,627,797 km (0.118 R)
• M19: 35,180,183 km (0.098 R)
• M20: 38,234,523 km (0.063 R)
• M21: 39,376,104 km (0.062 R)
• M22: 41,860,327 km (0.106 R)
• M23: 42,936,833 km (0.065 R)
• M24: 47,283,100 km (0.088 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 12,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit