🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.22 AU - 1.32 AU

Year: 505 Days

Day: 46.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.94 AU - 4.26 AU

Year: 2931 Days

Day: 15.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.8 AU - 5.22 AU

Year: 3382 Days

Day: 23.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,565,973 km

• M1: 24,684 km (0.119 R)
• M2: 59,540 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.36 AU - 5.12 AU

Year: 3644 Days

Day: 33.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 12.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.33 AU - 7.81 AU

Year: 7354 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,565,973 km

• M1: 155,731 km (0.107 R)
• M2: 562,638 km (0.113 R)
• M3: 1,004,998 km (0.118 R)
• M4: 1,620,893 km (0.069 R)
• M5: 2,185,774 km (0.104 R)
• M6: 2,859,862 km (0.076 R)
• M7: 4,596,694 km (0.115 R)
• M8: 5,772,234 km (0.094 R)
• M9: 6,697,048 km (0.114 R)
• M10: 8,497,159 km (0.112 R)
• M11: 9,059,797 km (0.051 R)
• M12: 10,021,262 km (0.054 R)
• M13: 11,100,312 km (0.111 R)
• M14: 13,721,416 km (0.066 R)
• M15: 14,741,374 km (0.118 R)
• M16: 16,932,385 km (0.086 R)
• M17: 20,003,778 km (0.087 R)
• M18: 21,710,840 km (0.081 R)
• M19: 22,355,158 km (0.078 R)
• M20: 24,972,522 km (0.103 R)
• M21: 26,309,778 km (0.102 R)
• M22: 27,976,747 km (0.103 R)
• M23: 29,126,406 km (0.089 R)
• M24: 30,407,263 km (0.034 R)
• M25: 31,520,122 km (0.102 R)
• M26: 33,506,033 km (0.115 R)
• M27: 35,131,714 km (0.061 R)
• M28: 36,923,148 km (0.081 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 11,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit