🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.67 AU - 0.83 AU

Year: 190 Days

Day: 14 Hours

Environment

Temp: 335 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.94 AU - 1.24 AU

Year: 333 Days

Day: 17.8 Hours

Environment

Temp: 249 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.93 AU - 1.33 AU

Year: 351 Days

Day: 43.9 Hours

Environment

Temp: 248 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,309,283 km

• M1: 297,700 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.48 AU - 2 AU

Year: 671 Days

Day: 22.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,309,283 km

• M1: 41,738 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.04 AU - 4.98 AU

Year: 2348 Days

Day: 22.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.76 AU - 5.28 AU

Year: 2810 Days

Day: 42.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,309,283 km

• M1: 2,955,007 km (0.042 R)

Planet 7 - Terrestrial

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.99 AU - 8.83 AU

Year: 5899 Days

Day: 42.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 10.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 14.26 AU - 18.26 AU

Year: 19174 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,309,283 km

• M1: 131,347 km (0.043 R)
• M2: 870,510 km (0.034 R)
• M3: 1,801,458 km (0.072 R)
• M4: 3,790,062 km (0.051 R)
• M5: 5,238,469 km (0.08 R)
• M6: 6,472,501 km (0.038 R)
• M7: 7,157,959 km (0.107 R)
• M8: 8,081,726 km (0.096 R)
• M9: 8,774,514 km (0.025 R)
• M10: 9,560,052 km (0.052 R)
• M11: 13,789,034 km (0.108 R)
• M12: 14,348,530 km (0.082 R)
• M13: 17,537,358 km (0.092 R)
• M14: 18,613,117 km (0.071 R)
• M15: 25,173,282 km (0.116 R)
• M16: 25,903,769 km (0.108 R)
• M17: 33,751,823 km (0.073 R)
• M18: 35,413,556 km (0.072 R)
• M19: 36,066,850 km (0.063 R)
• M20: 39,875,612 km (0.118 R)
• M21: 40,868,044 km (0.076 R)
• M22: 46,544,984 km (0.107 R)
• M23: 47,487,002 km (0.046 R)
• M24: 51,049,525 km (0.106 R)
• M25: 59,617,145 km (0.067 R)

Kuiper Belt

Range: 37.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 10,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit