🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.57 AU - 0.85 AU

Year: 228 Days

Day: 29.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.07 AU - 1.59 AU

Year: 584 Days

Day: 30.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,585,665 km

• M1: 40,391 km (0.083 R)
• M2: 947,403 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.3 AU - 2.32 AU

Year: 1337 Days

Day: 36.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.8

Radius: 5

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 16.77 AU - 17.39 AU

Year: 26880 Days

Day: 22.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,585,665 km

• M1: 70,610 km (0.118 R)
• M2: 568,472 km (0.114 R)
• M3: 1,917,097 km (0.061 R)
• M4: 2,563,060 km (0.078 R)
• M5: 2,873,326 km (0.085 R)
• M6: 3,128,690 km (0.105 R)
• M7: 3,427,138 km (0.102 R)
• M8: 3,685,044 km (0.111 R)
• M9: 4,080,432 km (0.098 R)
• M10: 5,174,142 km (0.118 R)
• M11: 5,399,137 km (0.065 R)
• M12: 7,679,158 km (0.081 R)
• M13: 12,355,587 km (0.043 R)
• M14: 14,381,292 km (0.088 R)
• M15: 15,744,129 km (0.1 R)
• M16: 16,217,008 km (0.11 R)
• M17: 19,795,089 km (0.109 R)
• M18: 23,660,549 km (0.101 R)
• M19: 24,072,841 km (0.105 R)
• M20: 27,544,409 km (0.108 R)
• M21: 33,226,585 km (0.044 R)
• M22: 47,813,275 km (0.06 R)
• M23: 50,484,045 km (0.046 R)
• M24: 54,853,500 km (0.06 R)
• M25: 55,213,582 km (0.098 R)
• M26: 64,936,845 km (0.117 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: 551 - 12,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit