🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.83 AU - 0.93 AU

Year: 297 Days

Day: 13.1 Hours

Environment

Temp: 160 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,456,492 km

• M1: 27,526 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.96 AU - 1.16 AU

Year: 393 Days

Day: 47.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,456,492 km

• M1: 285,283 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.46 AU - 3.8 AU

Year: 2489 Days

Day: 14.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,456,492 km

• M1: 31,416 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.58 AU - 5.24 AU

Year: 3916 Days

Day: 25.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,456,492 km

• M1: 158,723 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 11.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.72 AU - 6.24 AU

Year: 5263 Days

Day: 10.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,456,492 km

• M1: 147,952 km (0.109 R)
• M2: 556,654 km (0.094 R)
• M3: 1,298,510 km (0.108 R)
• M4: 1,893,011 km (0.053 R)
• M5: 2,358,410 km (0.086 R)
• M6: 2,807,354 km (0.094 R)
• M7: 4,138,326 km (0.075 R)
• M8: 4,612,701 km (0.041 R)
• M9: 5,378,043 km (0.086 R)
• M10: 6,099,853 km (0.065 R)
• M11: 8,498,954 km (0.104 R)
• M12: 10,947,273 km (0.051 R)
• M13: 12,716,567 km (0.057 R)
• M14: 13,453,636 km (0.065 R)
• M15: 14,955,449 km (0.025 R)
• M16: 15,480,088 km (0.072 R)
• M17: 16,566,169 km (0.112 R)
• M18: 20,129,889 km (0.088 R)
• M19: 21,423,163 km (0.106 R)
• M20: 22,240,416 km (0.061 R)
• M21: 22,771,339 km (0.096 R)
• M22: 27,848,541 km (0.043 R)
• M23: 28,465,333 km (0.069 R)
• M24: 30,093,407 km (0.092 R)
• M25: 31,401,939 km (0.075 R)
• M26: 31,878,409 km (0.074 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit