🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.87 AU - 0.95 AU

Year: 312 Days

Day: 32.9 Hours

Environment

Temp: 97 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.29 AU - 1.53 AU

Year: 603 Days

Day: 32.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.95 AU - 2.29 AU

Year: 1111 Days

Day: 32.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 129.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,827,657 km

• M1: 64,626 km (0.068 R)
• M2: 636,090 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.76 AU - 2.56 AU

Year: 1142 Days

Day: 21.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,827,657 km

• M1: 84,074 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.6

Radius: 6.1

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 19.37 AU - 19.89 AU

Year: 31301 Days

Day: 23.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 103,827,657 km

• M1: 78,090 km (0.072 R)
• M2: 1,107,024 km (0.09 R)
• M3: 2,528,503 km (0.113 R)
• M4: 4,262,642 km (0.102 R)
• M5: 5,162,623 km (0.098 R)
• M6: 7,817,686 km (0.077 R)
• M7: 12,059,384 km (0.09 R)
• M8: 16,142,209 km (0.103 R)
• M9: 16,871,049 km (0.111 R)
• M10: 21,930,599 km (0.118 R)
• M11: 24,922,706 km (0.057 R)
• M12: 32,268,859 km (0.053 R)
• M13: 35,207,111 km (0.116 R)
• M14: 38,962,616 km (0.107 R)
• M15: 48,933,763 km (0.045 R)
• M16: 51,619,044 km (0.101 R)
• M17: 53,796,591 km (0.095 R)
• M18: 55,213,881 km (0.07 R)
• M19: 58,971,929 km (0.083 R)
• M20: 63,792,422 km (0.118 R)
• M21: 73,959,841 km (0.102 R)
• M22: 86,250,503 km (0.079 R)
• M23: 100,441,357 km (0.083 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 19,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit