🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.63 AU - 0.79 AU

Year: 176 Days

Day: 19.2 Hours

Environment

Temp: 339 °C

Axial Tilt: 60.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,935,902 km

• M1: 448,943 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 199 Days

Day: 36.4 Hours

Environment

Temp: 290 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 76,935,902 km

• M1: 33,360 km (0.118 R)
• M2: 322,383 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.81 AU - 1.13 AU

Year: 281 Days

Day: 13.3 Hours

Environment

Temp: 228 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.69 AU - 2.09 AU

Year: 765 Days

Day: 12.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,935,902 km

• M1: 50,265 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.67 AU - 2.17 AU

Year: 783 Days

Day: 38.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.87 AU - 3.79 AU

Year: 1789 Days

Day: 40.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 151 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.42 AU - 10.28 AU

Year: 7749 Days

Day: 31.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,935,902 km

• M1: 4,241,100 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 9.3

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 13.09 AU - 18.07 AU

Year: 18100 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,935,902 km

• M1: 115,639 km (0.039 R)
• M2: 436,227 km (0.05 R)
• M3: 1,661,584 km (0.093 R)
• M4: 2,273,888 km (0.093 R)
• M5: 3,943,998 km (0.115 R)
• M6: 5,686,065 km (0.1 R)
• M7: 7,641,908 km (0.108 R)
• M8: 9,098,243 km (0.101 R)
• M9: 11,168,379 km (0.092 R)
• M10: 13,319,446 km (0.044 R)
• M11: 14,267,448 km (0.083 R)
• M12: 15,337,970 km (0.119 R)
• M13: 18,335,613 km (0.104 R)
• M14: 22,402,580 km (0.094 R)
• M15: 24,057,881 km (0.07 R)
• M16: 34,238,764 km (0.101 R)
• M17: 37,418,616 km (0.031 R)
• M18: 43,881,843 km (0.045 R)
• M19: 53,544,668 km (0.114 R)
• M20: 58,579,534 km (0.03 R)
• M21: 63,514,918 km (0.084 R)

Kuiper Belt

Range: 37.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 14,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit