🌌 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: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.89 AU - 0.93 AU

Year: 307 Days

Day: 44.3 Hours

Environment

Temp: 132 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,506,020 km

• M1: 623,374 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.46 AU - 5.48 AU

Year: 3912 Days

Day: 19.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 11.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.23 AU - 10.51 AU

Year: 10949 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,506,020 km

• M1: 143,016 km (0.087 R)
• M2: 597,943 km (0.096 R)
• M3: 1,031,477 km (0.102 R)
• M4: 1,500,766 km (0.112 R)
• M5: 2,028,996 km (0.047 R)
• M6: 3,884,159 km (0.059 R)
• M7: 4,422,861 km (0.051 R)
• M8: 6,489,705 km (0.079 R)
• M9: 6,939,247 km (0.081 R)
• M10: 10,591,230 km (0.082 R)
• M11: 11,755,101 km (0.09 R)
• M12: 12,368,004 km (0.067 R)
• M13: 19,261,623 km (0.092 R)
• M14: 21,316,949 km (0.094 R)
• M15: 22,822,801 km (0.115 R)
• M16: 23,953,761 km (0.089 R)
• M17: 28,355,229 km (0.089 R)
• M18: 28,953,321 km (0.112 R)
• M19: 29,661,667 km (0.112 R)
• M20: 32,502,830 km (0.071 R)
• M21: 39,704,621 km (0.109 R)
• M22: 41,338,828 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.4

Radius: 4.8

Gravity: 43.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 13.01 AU - 15.21 AU

Year: 18715 Days

Day: 16 Hours

Environment

Temp: -186 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,506,020 km

• M1: 61,934 km (0.087 R)
• M2: 267,032 km (0.082 R)
• M3: 548,575 km (0.078 R)
• M4: 790,924 km (0.07 R)
• M5: 1,024,147 km (0.115 R)
• M6: 1,228,199 km (0.091 R)
• M7: 1,611,468 km (0.085 R)
• M8: 2,112,322 km (0.106 R)
• M9: 4,303,931 km (0.076 R)
• M10: 4,801,344 km (0.116 R)
• M11: 5,536,617 km (0.112 R)
• M12: 7,130,732 km (0.06 R)
• M13: 9,465,506 km (0.085 R)
• M14: 10,614,867 km (0.098 R)
• M15: 11,519,036 km (0.039 R)
• M16: 12,755,612 km (0.04 R)
• M17: 16,820,785 km (0.113 R)
• M18: 18,589,929 km (0.043 R)
• M19: 20,675,174 km (0.037 R)
• M20: 21,977,872 km (0.111 R)
• M21: 23,547,902 km (0.09 R)
• M22: 24,196,259 km (0.116 R)
• M23: 39,184,769 km (0.096 R)
• M24: 41,173,822 km (0.076 R)
• M25: 44,691,466 km (0.093 R)
• M26: 46,523,143 km (0.087 R)
• M27: 51,050,273 km (0.078 R)
• M28: 53,235,300 km (0.076 R)
• M29: 55,292,271 km (0.034 R)
• M30: 55,862,388 km (0.076 R)
• M31: 58,968,937 km (0.06 R)
• M32: 60,163,028 km (0.081 R)
• M33: 68,757,126 km (0.108 R)
• M34: 70,301,575 km (0.101 R)
• M35: 73,918,552 km (0.058 R)
• M36: 78,133,621 km (0.111 R)
• M37: 79,573,501 km (0.065 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 12,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit