🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.93 AU - 1.07 AU

Year: 379 Days

Day: 31.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 60.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.83 AU - 1.31 AU

Year: 419 Days

Day: 17.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 44,167,055 km

• M1: 16,456 km (0.093 R)
• M2: 126,111 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.9 AU - 1.34 AU

Year: 449 Days

Day: 16.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.93 AU - 2.87 AU

Year: 1408 Days

Day: 27 Hours

Environment

Temp: -100 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,167,055 km

• M1: 165,754 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 10.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.55 AU - 9.67 AU

Year: 9569 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,167,055 km

• M1: 126,859 km (0.111 R)
• M2: 615,296 km (0.103 R)
• M3: 1,257,520 km (0.092 R)
• M4: 1,935,348 km (0.104 R)
• M5: 2,779,678 km (0.11 R)
• M6: 3,117,919 km (0.089 R)
• M7: 3,436,562 km (0.102 R)
• M8: 4,060,236 km (0.108 R)
• M9: 4,526,383 km (0.093 R)
• M10: 4,876,591 km (0.118 R)
• M11: 5,308,181 km (0.073 R)
• M12: 8,853,651 km (0.114 R)
• M13: 10,572,231 km (0.045 R)
• M14: 12,221,398 km (0.098 R)
• M15: 14,531,638 km (0.045 R)
• M16: 15,103,551 km (0.082 R)
• M17: 16,022,830 km (0.096 R)
• M18: 18,558,065 km (0.025 R)
• M19: 19,920,901 km (0.068 R)
• M20: 22,930,062 km (0.092 R)
• M21: 24,766,227 km (0.074 R)
• M22: 26,698,582 km (0.064 R)
• M23: 27,364,443 km (0.071 R)
• M24: 30,344,133 km (0.084 R)
• M25: 31,069,234 km (0.072 R)
• M26: 32,339,320 km (0.076 R)
• M27: 36,010,003 km (0.087 R)
• M28: 39,212,743 km (0.055 R)
• M29: 44,167,126 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 13,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit