🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.86 AU - 1.16 AU

Year: 362 Days

Day: 24.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.99 AU - 1.47 AU

Year: 486 Days

Day: 15.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 45,596,782 km

• M1: 36,801 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.32 AU - 1.98 AU

Year: 755 Days

Day: 22.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 10.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.44 AU - 9.94 AU

Year: 9131 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,596,782 km

• M1: 135,536 km (0.066 R)
• M2: 488,437 km (0.056 R)
• M3: 1,350,719 km (0.118 R)
• M4: 1,710,652 km (0.076 R)
• M5: 2,401,195 km (0.083 R)
• M6: 2,937,354 km (0.037 R)
• M7: 4,195,921 km (0.109 R)
• M8: 5,716,583 km (0.078 R)
• M9: 6,751,651 km (0.096 R)
• M10: 8,778,104 km (0.091 R)
• M11: 9,143,871 km (0.099 R)
• M12: 9,955,140 km (0.109 R)
• M13: 11,075,478 km (0.058 R)
• M14: 14,304,249 km (0.095 R)
• M15: 16,752,867 km (0.099 R)
• M16: 17,316,851 km (0.104 R)
• M17: 17,820,697 km (0.084 R)
• M18: 20,648,396 km (0.117 R)
• M19: 21,875,697 km (0.092 R)
• M20: 23,586,647 km (0.095 R)
• M21: 24,206,132 km (0.12 R)
• M22: 25,109,853 km (0.084 R)
• M23: 27,370,277 km (0.067 R)
• M24: 29,763,244 km (0.111 R)
• M25: 31,221,824 km (0.113 R)
• M26: 41,626,804 km (0.091 R)
• M27: 44,648,831 km (0.065 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 17,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit