🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 193 Days

Day: 12.8 Hours

Environment

Temp: 226 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 219 Days

Day: 17.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.68 AU - 1.02 AU

Year: 275 Days

Day: 47.1 Hours

Environment

Temp: 135 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.32 AU - 2.62 AU

Year: 1364 Days

Day: 45 Hours

Environment

Temp: -67 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,194,699 km

• M1: 544,087 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.27 AU - 4.27 AU

Year: 2573 Days

Day: 18.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.1

Radius: 5.4

Gravity: 20.72 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 16.15 AU - 16.37 AU

Year: 23044 Days

Day: 20.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,194,699 km

• M1: 67,469 km (0.103 R)
• M2: 407,804 km (0.091 R)
• M3: 897,288 km (0.039 R)
• M4: 1,120,338 km (0.032 R)
• M5: 2,274,187 km (0.083 R)
• M6: 2,454,303 km (0.101 R)
• M7: 2,742,279 km (0.096 R)
• M8: 3,300,578 km (0.073 R)
• M9: 4,783,841 km (0.04 R)
• M10: 5,835,663 km (0.049 R)
• M11: 7,466,579 km (0.109 R)
• M12: 8,020,091 km (0.049 R)
• M13: 8,227,883 km (0.09 R)
• M14: 8,818,346 km (0.114 R)
• M15: 9,963,368 km (0.097 R)
• M16: 10,696,098 km (0.086 R)
• M17: 11,661,902 km (0.076 R)
• M18: 13,839,449 km (0.088 R)
• M19: 14,290,187 km (0.087 R)
• M20: 14,750,500 km (0.097 R)
• M21: 16,273,855 km (0.075 R)
• M22: 16,776,055 km (0.051 R)
• M23: 17,548,429 km (0.112 R)
• M24: 19,163,786 km (0.118 R)
• M25: 21,668,504 km (0.082 R)
• M26: 22,275,871 km (0.108 R)
• M27: 22,480,970 km (0.112 R)
• M28: 24,819,783 km (0.1 R)
• M29: 26,161,526 km (0.078 R)
• M30: 32,668,585 km (0.082 R)
• M31: 37,221,147 km (0.092 R)
• M32: 37,945,799 km (0.09 R)
• M33: 50,148,946 km (0.103 R)
• M34: 60,250,094 km (0.092 R)
• M35: 61,449,719 km (0.036 R)
• M36: 64,310,629 km (0.093 R)
• M37: 66,619,821 km (0.074 R)
• M38: 75,713,726 km (0.077 R)
• M39: 80,194,631 km (0.049 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 16,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit