🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.9 AU

Year: 238 Days

Day: 13.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,884,301 km

• M1: 42,635 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.72 AU - 0.92 AU

Year: 273 Days

Day: 15.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.9 AU - 1.24 AU

Year: 406 Days

Day: 42.9 Hours

Environment

Temp: 34 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,884,301 km

• M1: 112,198 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.72 AU - 4.56 AU

Year: 3092 Days

Day: 12 Hours

Environment

Temp: -129 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.4

Radius: 5

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 12.18 AU - 14.06 AU

Year: 17445 Days

Day: 23.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,884,301 km

• M1: 62,682 km (0.097 R)
• M2: 345,721 km (0.104 R)
• M3: 599,738 km (0.093 R)
• M4: 756,816 km (0.12 R)
• M5: 922,271 km (0.117 R)
• M6: 1,100,741 km (0.113 R)
• M7: 1,703,770 km (0.067 R)
• M8: 2,665,684 km (0.086 R)
• M9: 4,025,828 km (0.108 R)
• M10: 4,716,970 km (0.091 R)
• M11: 5,619,794 km (0.118 R)
• M12: 6,148,173 km (0.073 R)
• M13: 6,405,781 km (0.102 R)
• M14: 6,942,688 km (0.104 R)
• M15: 8,105,661 km (0.107 R)
• M16: 8,825,676 km (0.099 R)
• M17: 9,012,075 km (0.107 R)
• M18: 9,984,012 km (0.076 R)
• M19: 13,500,759 km (0.078 R)
• M20: 13,999,219 km (0.097 R)
• M21: 14,574,423 km (0.104 R)
• M22: 14,835,172 km (0.102 R)
• M23: 15,500,583 km (0.09 R)
• M24: 23,819,871 km (0.114 R)
• M25: 24,916,273 km (0.038 R)
• M26: 25,382,869 km (0.118 R)
• M27: 25,665,609 km (0.078 R)
• M28: 27,406,180 km (0.114 R)
• M29: 28,507,819 km (0.078 R)
• M30: 32,540,678 km (0.118 R)
• M31: 33,889,004 km (0.057 R)
• M32: 34,117,290 km (0.075 R)
• M33: 37,544,129 km (0.115 R)
• M34: 38,404,317 km (0.062 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 17,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit