🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.8 AU - 0.94 AU

Year: 311 Days

Day: 15 Hours

Environment

Temp: 41 °C

Axial Tilt: 55.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.71 AU - 1.09 AU

Year: 327 Days

Day: 14.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,036,350 km

• M1: 38,297 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.75 AU - 1.21 AU

Year: 371 Days

Day: 38 Hours

Environment

Temp: 22 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 30,036,350 km

• M1: 581,188 km (0.12 R)
• M2: 666,758 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.3 AU - 1.44 AU

Year: 614 Days

Day: 39.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 13

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.43 AU - 7.65 AU

Year: 7927 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,036,350 km

• M1: 170,093 km (0.109 R)
• M2: 689,197 km (0.114 R)
• M3: 1,748,051 km (0.114 R)
• M4: 2,759,183 km (0.029 R)
• M5: 3,462,742 km (0.1 R)
• M6: 3,940,408 km (0.07 R)
• M7: 4,482,251 km (0.032 R)
• M8: 5,716,434 km (0.087 R)
• M9: 7,110,088 km (0.072 R)
• M10: 9,107,668 km (0.082 R)
• M11: 9,989,248 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 10.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.4 AU - 10.44 AU

Year: 9355 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,036,350 km

• M1: 393,442 km (0.083 R)
• M2: 784,641 km (0.093 R)
• M3: 1,212,640 km (0.064 R)
• M4: 2,407,778 km (0.082 R)
• M5: 4,118,878 km (0.116 R)
• M6: 5,380,437 km (0.059 R)
• M7: 7,394,922 km (0.068 R)
• M8: 9,615,403 km (0.105 R)
• M9: 13,729,045 km (0.118 R)
• M10: 15,269,455 km (0.068 R)
• M11: 16,438,263 km (0.12 R)
• M12: 18,366,131 km (0.093 R)
• M13: 22,296,665 km (0.118 R)
• M14: 28,710,524 km (0.029 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: 244 - 10,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit