🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.53 AU - 0.69 AU

Year: 166 Days

Day: 16.1 Hours

Environment

Temp: 235 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,614,786 km

• M1: 239,955 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.88 AU - 1.04 AU

Year: 328 Days

Day: 15.5 Hours

Environment

Temp: 150 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,614,786 km

• M1: 115,938 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.96 AU - 1.36 AU

Year: 435 Days

Day: 38.5 Hours

Environment

Temp: 36 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,614,786 km

• M1: 905,366 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.18 AU - 1.52 AU

Year: 546 Days

Day: 15.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.19 AU - 1.77 AU

Year: 627 Days

Day: 29.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.18 AU - 2.54 AU

Year: 1263 Days

Day: 23 Hours

Environment

Temp: -59 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.73 AU - 3.33 AU

Year: 1837 Days

Day: 20.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.52 AU - 3.82 AU

Year: 2448 Days

Day: 46.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.42 AU - 5.66 AU

Year: 3369 Days

Day: 34.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,614,786 km

• M1: 1,648,269 km (0.066 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.76 AU - 7.7 AU

Year: 5415 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,614,786 km

• M1: 131,347 km (0.1 R)
• M2: 419,323 km (0.088 R)
• M3: 2,260,723 km (0.08 R)
• M4: 2,622,750 km (0.12 R)
• M5: 3,159,058 km (0.091 R)
• M6: 6,250,049 km (0.113 R)
• M7: 8,335,145 km (0.094 R)
• M8: 10,175,946 km (0.047 R)
• M9: 10,664,383 km (0.114 R)
• M10: 12,075,839 km (0.049 R)
• M11: 13,983,362 km (0.098 R)
• M12: 14,531,488 km (0.105 R)
• M13: 14,923,734 km (0.111 R)
• M14: 15,554,289 km (0.106 R)
• M15: 17,302,191 km (0.043 R)
• M16: 18,126,624 km (0.05 R)
• M17: 23,098,061 km (0.115 R)
• M18: 23,555,681 km (0.092 R)
• M19: 24,253,555 km (0.056 R)
• M20: 27,098,906 km (0.114 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 14,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit