🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.46 AU - 0.72 AU

Year: 160 Days

Day: 16 Hours

Environment

Temp: 178 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,394,227 km

• M1: 212,579 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.67 AU - 1.01 AU

Year: 272 Days

Day: 27.8 Hours

Environment

Temp: 190 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.78 AU - 1.3 AU

Year: 374 Days

Day: 26 Hours

Environment

Temp: 92 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.12 AU - 1.22 AU

Year: 447 Days

Day: 21.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.74 AU - 2.02 AU

Year: 910 Days

Day: 17.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.48 AU - 3.9 AU

Year: 2012 Days

Day: 17.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 11.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 11.93 AU - 13.39 AU

Year: 15906 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,394,227 km

• M1: 139,276 km (0.083 R)
• M2: 635,941 km (0.105 R)
• M3: 1,198,279 km (0.077 R)
• M4: 1,624,034 km (0.098 R)
• M5: 2,169,768 km (0.051 R)
• M6: 2,613,624 km (0.074 R)
• M7: 3,419,508 km (0.083 R)
• M8: 4,112,445 km (0.086 R)
• M9: 4,896,638 km (0.102 R)
• M10: 6,886,588 km (0.103 R)
• M11: 7,403,299 km (0.034 R)
• M12: 8,226,537 km (0.112 R)
• M13: 10,055,221 km (0.111 R)
• M14: 10,721,081 km (0.108 R)
• M15: 11,475,204 km (0.063 R)
• M16: 12,017,795 km (0.077 R)
• M17: 12,704,150 km (0.074 R)
• M18: 18,019,363 km (0.073 R)
• M19: 20,542,181 km (0.113 R)
• M20: 29,398,375 km (0.087 R)
• M21: 31,806,751 km (0.106 R)
• M22: 33,240,497 km (0.041 R)
• M23: 33,973,377 km (0.104 R)
• M24: 34,343,782 km (0.06 R)
• M25: 34,841,942 km (0.114 R)
• M26: 37,143,356 km (0.118 R)
• M27: 53,782,828 km (0.112 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 18,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit