🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.67 AU - 0.73 AU

Year: 221 Days

Day: 21.8 Hours

Environment

Temp: 157 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.86 AU - 2.02 AU

Year: 1018 Days

Day: 34 Hours

Environment

Temp: -75 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,742,852 km

• M1: 173,234 km (0.097 R)

Asteroid Belt

Center: 4.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 14.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.53 AU - 8.25 AU

Year: 8349 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,742,852 km

• M1: 179,069 km (0.047 R)
• M2: 664,514 km (0.105 R)
• M3: 1,345,034 km (0.079 R)
• M4: 1,803,402 km (0.072 R)
• M5: 2,351,379 km (0.093 R)
• M6: 2,949,472 km (0.095 R)
• M7: 4,816,453 km (0.075 R)
• M8: 6,289,543 km (0.118 R)
• M9: 9,325,782 km (0.1 R)
• M10: 9,967,856 km (0.06 R)
• M11: 11,238,989 km (0.114 R)
• M12: 17,284,089 km (0.074 R)
• M13: 20,304,620 km (0.057 R)
• M14: 22,422,776 km (0.099 R)
• M15: 23,326,646 km (0.1 R)
• M16: 29,952,635 km (0.037 R)
• M17: 39,014,676 km (0.083 R)
• M18: 39,724,219 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 11.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.34 AU - 9.68 AU

Year: 11048 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,742,852 km

• M1: 145,559 km (0.105 R)
• M2: 1,158,486 km (0.119 R)
• M3: 1,905,578 km (0.084 R)
• M4: 2,467,617 km (0.077 R)
• M5: 3,688,784 km (0.109 R)
• M6: 5,789,737 km (0.115 R)
• M7: 7,373,529 km (0.087 R)
• M8: 9,084,331 km (0.108 R)
• M9: 11,293,891 km (0.079 R)
• M10: 12,952,632 km (0.075 R)
• M11: 21,355,246 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.1

Radius: 3.6

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 13.89 AU - 20.87 AU

Year: 27296 Days

Day: 17.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,742,852 km

• M1: 45,179 km (0.057 R)
• M2: 172,038 km (0.095 R)
• M3: 708,944 km (0.094 R)
• M4: 1,239,418 km (0.114 R)
• M5: 1,362,986 km (0.091 R)
• M6: 1,733,241 km (0.031 R)
• M7: 2,286,155 km (0.094 R)
• M8: 3,245,675 km (0.114 R)
• M9: 5,393,602 km (0.072 R)
• M10: 11,167,780 km (0.034 R)
• M11: 11,285,663 km (0.099 R)
• M12: 11,644,399 km (0.076 R)
• M13: 11,949,130 km (0.078 R)
• M14: 15,294,587 km (0.064 R)
• M15: 17,101,580 km (0.12 R)
• M16: 18,629,423 km (0.12 R)
• M17: 19,383,845 km (0.063 R)
• M18: 22,511,936 km (0.096 R)
• M19: 25,651,846 km (0.089 R)
• M20: 36,927,636 km (0.06 R)
• M21: 51,921,681 km (0.069 R)
• M22: 54,082,921 km (0.111 R)
• M23: 55,442,317 km (0.034 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 17,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit