🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.52 AU - 0.62 AU

Year: 163 Days

Day: 26.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.63 AU - 0.67 AU

Year: 198 Days

Day: 21.5 Hours

Environment

Temp: 200 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.88 AU - 1.12 AU

Year: 379 Days

Day: 22.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 22,480,839 km

• M1: 39,943 km (0.102 R)
• M2: 63,878 km (0.05 R)

Asteroid Belt

Center: 2.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.09 AU - 5.05 AU

Year: 3110 Days

Day: 22.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,480,839 km

• M1: 34,408 km (0.113 R)
• M2: 883,675 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.4

Radius: 10.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.78 AU - 5.04 AU

Year: 3508 Days

Day: 12.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,480,839 km

• M1: 135,536 km (0.093 R)
• M2: 523,742 km (0.108 R)
• M3: 895,493 km (0.051 R)
• M4: 1,240,166 km (0.117 R)
• M5: 2,426,029 km (0.027 R)
• M6: 3,064,961 km (0.101 R)
• M7: 3,462,293 km (0.035 R)
• M8: 4,450,387 km (0.113 R)
• M9: 4,866,269 km (0.08 R)
• M10: 5,384,177 km (0.06 R)
• M11: 5,829,979 km (0.088 R)
• M12: 6,677,301 km (0.062 R)
• M13: 7,932,128 km (0.11 R)
• M14: 8,792,615 km (0.056 R)
• M15: 9,190,396 km (0.091 R)
• M16: 9,790,582 km (0.107 R)
• M17: 11,194,558 km (0.068 R)
• M18: 11,619,267 km (0.109 R)
• M19: 13,761,658 km (0.101 R)
• M20: 14,849,982 km (0.107 R)
• M21: 16,698,264 km (0.052 R)
• M22: 18,225,359 km (0.112 R)
• M23: 19,052,934 km (0.087 R)
• M24: 22,413,800 km (0.038 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 19,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit