🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.39 AU - 3.53 AU

Year: 2262 Days

Day: 16.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.47 AU - 4.31 AU

Year: 2697 Days

Day: 19.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 10.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.39 AU - 11.25 AU

Year: 11652 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,517,001 km

• M1: 134,339 km (0.054 R)
• M2: 656,286 km (0.097 R)
• M3: 1,211,593 km (0.113 R)
• M4: 2,077,914 km (0.113 R)
• M5: 2,932,567 km (0.09 R)
• M6: 3,296,539 km (0.067 R)
• M7: 4,094,344 km (0.041 R)
• M8: 4,990,735 km (0.111 R)
• M9: 5,325,983 km (0.03 R)
• M10: 5,871,268 km (0.059 R)
• M11: 6,483,422 km (0.102 R)
• M12: 7,105,600 km (0.114 R)
• M13: 7,973,417 km (0.081 R)
• M14: 8,325,570 km (0.115 R)
• M15: 8,835,849 km (0.048 R)
• M16: 9,919,386 km (0.073 R)
• M17: 13,110,009 km (0.112 R)
• M18: 14,310,233 km (0.029 R)
• M19: 18,289,387 km (0.087 R)
• M20: 20,172,674 km (0.083 R)
• M21: 20,762,090 km (0.119 R)
• M22: 24,321,173 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 5.4

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 15.48 AU - 24.74 AU

Year: 31695 Days

Day: 21.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,517,001 km

• M1: 71,508 km (0.107 R)
• M2: 265,686 km (0.12 R)
• M3: 460,163 km (0.085 R)
• M4: 633,697 km (0.076 R)
• M5: 960,568 km (0.086 R)
• M6: 1,866,682 km (0.091 R)
• M7: 2,690,219 km (0.092 R)
• M8: 3,896,576 km (0.113 R)
• M9: 5,342,888 km (0.085 R)
• M10: 5,678,735 km (0.095 R)
• M11: 5,983,915 km (0.104 R)
• M12: 6,674,907 km (0.097 R)
• M13: 7,729,572 km (0.049 R)
• M14: 9,543,596 km (0.108 R)
• M15: 10,679,642 km (0.109 R)
• M16: 12,548,419 km (0.097 R)
• M17: 27,132,267 km (0.111 R)
• M18: 35,006,949 km (0.076 R)
• M19: 37,530,067 km (0.066 R)
• M20: 40,650,379 km (0.091 R)
• M21: 41,294,547 km (0.053 R)
• M22: 46,519,552 km (0.12 R)
• M23: 48,115,014 km (0.109 R)
• M24: 53,696,660 km (0.083 R)
• M25: 54,083,520 km (0.119 R)
• M26: 54,277,548 km (0.076 R)
• M27: 57,446,181 km (0.087 R)
• M28: 58,461,202 km (0.097 R)
• M29: 61,366,543 km (0.078 R)
• M30: 62,001,286 km (0.079 R)
• M31: 71,588,266 km (0.089 R)
• M32: 72,291,675 km (0.09 R)
• M33: 77,345,690 km (0.108 R)
• M34: 83,145,599 km (0.063 R)
• M35: 85,228,899 km (0.096 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 14,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit