🌌 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: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.53 AU - 0.75 AU

Year: 196 Days

Day: 13.2 Hours

Environment

Temp: 196 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,946,341 km

• M1: 83,625 km (0.071 R)
• M2: 473,178 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.18 AU - 1.94 AU

Year: 746 Days

Day: 44 Hours

Environment

Temp: -62 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.15 AU - 2.89 AU

Year: 1532 Days

Day: 24 Hours

Environment

Temp: -95 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.4

Radius: 4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 9.29 AU - 15.48 AU

Year: 16678 Days

Day: 24.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,946,341 km

• M1: 53,406 km (0.047 R)
• M2: 288,425 km (0.084 R)
• M3: 1,004,550 km (0.111 R)
• M4: 1,943,875 km (0.069 R)
• M5: 2,611,979 km (0.06 R)
• M6: 3,335,584 km (0.069 R)
• M7: 3,574,342 km (0.036 R)
• M8: 4,915,038 km (0.085 R)
• M9: 5,943,972 km (0.117 R)
• M10: 6,659,648 km (0.105 R)
• M11: 7,215,105 km (0.114 R)
• M12: 8,143,659 km (0.085 R)
• M13: 8,616,538 km (0.108 R)
• M14: 9,530,731 km (0.108 R)
• M15: 10,011,239 km (0.1 R)
• M16: 11,355,376 km (0.073 R)
• M17: 11,500,935 km (0.115 R)
• M18: 12,762,793 km (0.105 R)
• M19: 13,671,899 km (0.096 R)
• M20: 15,498,489 km (0.096 R)
• M21: 23,243,769 km (0.115 R)
• M22: 25,998,464 km (0.078 R)
• M23: 27,453,902 km (0.051 R)
• M24: 31,855,221 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.8

Radius: 7

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 11.9 AU - 15.02 AU

Year: 18908 Days

Day: 20.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,946,341 km

• M1: 89,759 km (0.03 R)
• M2: 343,926 km (0.103 R)
• M3: 607,367 km (0.105 R)
• M4: 879,486 km (0.106 R)
• M5: 1,123,031 km (0.1 R)
• M6: 2,472,703 km (0.088 R)
• M7: 3,407,391 km (0.112 R)
• M8: 3,704,642 km (0.031 R)
• M9: 4,454,277 km (0.038 R)
• M10: 7,357,522 km (0.1 R)
• M11: 9,484,056 km (0.064 R)
• M12: 10,316,269 km (0.119 R)
• M13: 14,060,255 km (0.1 R)
• M14: 23,866,096 km (0.074 R)
• M15: 25,963,159 km (0.078 R)
• M16: 35,163,727 km (0.106 R)
• M17: 35,863,247 km (0.055 R)
• M18: 39,201,673 km (0.098 R)
• M19: 46,321,335 km (0.104 R)
• M20: 49,569,703 km (0.077 R)
• M21: 50,803,736 km (0.105 R)
• M22: 55,378,439 km (0.061 R)
• M23: 55,755,874 km (0.09 R)
• M24: 62,641,416 km (0.102 R)
• M25: 63,669,153 km (0.111 R)
• M26: 73,885,192 km (0.06 R)
• M27: 76,424,316 km (0.06 R)
• M28: 79,499,600 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 16,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit