🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.5 AU - 0.78 AU

Year: 182 Days

Day: 31.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 43,174,170 km

• M1: 127,009 km (0.113 R)
• M2: 407,953 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.19 AU - 1.47 AU

Year: 544 Days

Day: 19.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.46 AU - 1.88 AU

Year: 766 Days

Day: 21.7 Hours

Environment

Temp: -46 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.04 AU - 3.22 AU

Year: 1513 Days

Day: 45.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,174,170 km

• M1: 191,485 km (0.071 R)
• M2: 1,033,721 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 9.4

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.69 AU - 7.93 AU

Year: 7743 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,174,170 km

• M1: 119,828 km (0.094 R)
• M2: 421,716 km (0.103 R)
• M3: 814,112 km (0.074 R)
• M4: 1,279,511 km (0.117 R)
• M5: 1,706,762 km (0.069 R)
• M6: 2,109,031 km (0.037 R)
• M7: 2,831,439 km (0.112 R)
• M8: 3,172,223 km (0.066 R)
• M9: 3,636,724 km (0.06 R)
• M10: 3,962,548 km (0.078 R)
• M11: 4,587,269 km (0.06 R)
• M12: 5,596,456 km (0.11 R)
• M13: 6,934,609 km (0.08 R)
• M14: 7,280,480 km (0.104 R)
• M15: 7,882,761 km (0.089 R)
• M16: 8,960,015 km (0.026 R)
• M17: 10,035,025 km (0.062 R)
• M18: 12,271,962 km (0.103 R)
• M19: 13,124,969 km (0.093 R)
• M20: 15,592,736 km (0.091 R)
• M21: 16,187,986 km (0.093 R)
• M22: 19,167,676 km (0.065 R)
• M23: 23,511,549 km (0.091 R)
• M24: 24,118,767 km (0.071 R)
• M25: 32,137,662 km (0.064 R)
• M26: 33,535,803 km (0.078 R)
• M27: 34,862,138 km (0.116 R)
• M28: 35,199,182 km (0.078 R)
• M29: 37,619,077 km (0.079 R)
• M30: 42,403,816 km (0.036 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 18,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit