🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.51 AU - 0.53 AU

Year: 138 Days

Day: 15.9 Hours

Environment

Temp: 229 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 22,625,636 km

• M1: 122,969 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.68 AU

Year: 163 Days

Day: 24 Hours

Environment

Temp: 198 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 22,625,636 km

• M1: 240,853 km (0.065 R)
• M2: 476,768 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.83 AU - 0.85 AU

Year: 284 Days

Day: 20.5 Hours

Environment

Temp: 117 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.91 AU - 1.07 AU

Year: 363 Days

Day: 47.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 48.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.04 AU - 1.24 AU

Year: 449 Days

Day: 18 Hours

Environment

Temp: -0 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.23 AU - 1.71 AU

Year: 658 Days

Day: 32.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 12.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.1 AU - 6.16 AU

Year: 4287 Days

Day: 6.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,625,636 km

• M1: 155,881 km (0.083 R)
• M2: 655,687 km (0.088 R)
• M3: 1,308,682 km (0.06 R)
• M4: 2,092,425 km (0.052 R)
• M5: 2,668,377 km (0.116 R)
• M6: 3,150,531 km (0.12 R)
• M7: 3,911,236 km (0.115 R)
• M8: 4,446,498 km (0.09 R)
• M9: 5,533,775 km (0.101 R)
• M10: 7,926,593 km (0.102 R)
• M11: 8,470,381 km (0.087 R)
• M12: 10,612,922 km (0.109 R)
• M13: 11,486,573 km (0.086 R)
• M14: 12,817,097 km (0.109 R)
• M15: 14,396,551 km (0.097 R)
• M16: 14,849,085 km (0.077 R)
• M17: 16,480,599 km (0.12 R)
• M18: 18,937,594 km (0.067 R)
• M19: 19,359,460 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 18,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit