🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.57 AU - 0.61 AU

Year: 172 Days

Day: 12.6 Hours

Environment

Temp: 210 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.03 AU - 3.11 AU

Year: 2037 Days

Day: 38.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 13.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.04 AU - 5.84 AU

Year: 4159 Days

Day: 10.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,220,514 km

• M1: 172,935 km (0.046 R)
• M2: 620,233 km (0.117 R)
• M3: 1,130,511 km (0.059 R)
• M4: 1,811,481 km (0.101 R)
• M5: 2,248,456 km (0.073 R)
• M6: 2,710,265 km (0.053 R)
• M7: 3,542,627 km (0.111 R)
• M8: 6,279,221 km (0.113 R)
• M9: 7,642,506 km (0.036 R)
• M10: 8,327,216 km (0.052 R)
• M11: 13,937,435 km (0.092 R)
• M12: 15,262,274 km (0.119 R)
• M13: 16,349,551 km (0.111 R)
• M14: 16,885,112 km (0.12 R)
• M15: 18,678,341 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 19,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit