🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.54 AU - 0.54 AU

Year: 152 Days

Day: 19.3 Hours

Environment

Temp: 143 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.7 AU - 0.72 AU

Year: 229 Days

Day: 44.2 Hours

Environment

Temp: 156 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.95 AU - 2.97 AU

Year: 1477 Days

Day: 39.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,617,780 km

• M1: 648,357 km (0.118 R)

Asteroid Belt

Center: 3.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 9.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.23 AU - 5.81 AU

Year: 4307 Days

Day: 11.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,617,780 km

• M1: 121,922 km (0.108 R)
• M2: 513,719 km (0.04 R)
• M3: 835,803 km (0.069 R)
• M4: 1,759,271 km (0.074 R)
• M5: 2,091,977 km (0.112 R)
• M6: 2,515,039 km (0.106 R)
• M7: 2,851,635 km (0.073 R)
• M8: 3,218,449 km (0.106 R)
• M9: 3,554,894 km (0.102 R)
• M10: 4,833,806 km (0.114 R)
• M11: 6,613,273 km (0.059 R)
• M12: 8,381,221 km (0.11 R)
• M13: 9,295,413 km (0.079 R)
• M14: 10,190,457 km (0.068 R)
• M15: 10,702,232 km (0.029 R)
• M16: 11,276,089 km (0.079 R)
• M17: 11,731,315 km (0.089 R)
• M18: 12,678,569 km (0.098 R)
• M19: 14,141,487 km (0.095 R)
• M20: 14,564,250 km (0.089 R)
• M21: 17,885,323 km (0.027 R)
• M22: 18,567,639 km (0.081 R)
• M23: 20,584,218 km (0.11 R)
• M24: 22,814,573 km (0.086 R)
• M25: 24,514,005 km (0.097 R)
• M26: 24,894,282 km (0.06 R)
• M27: 26,216,877 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 11.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.38 AU - 8.5 AU

Year: 8566 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,617,780 km

• M1: 140,024 km (0.055 R)
• M2: 553,662 km (0.11 R)
• M3: 1,448,556 km (0.085 R)
• M4: 4,413,885 km (0.09 R)
• M5: 9,157,185 km (0.091 R)
• M6: 9,644,276 km (0.102 R)
• M7: 12,993,622 km (0.077 R)
• M8: 16,917,574 km (0.098 R)
• M9: 21,183,507 km (0.082 R)
• M10: 23,811,343 km (0.034 R)
• M11: 24,395,523 km (0.079 R)
• M12: 27,551,889 km (0.079 R)
• M13: 29,801,541 km (0.034 R)
• M14: 33,401,465 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 19,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit