🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.6 AU

Year: 135 Days

Day: 27.2 Hours

Environment

Temp: 203 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.76 AU - 0.78 AU

Year: 243 Days

Day: 36.4 Hours

Environment

Temp: 183 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.85 AU - 0.95 AU

Year: 307 Days

Day: 42.1 Hours

Environment

Temp: 141 °C

Axial Tilt: 173.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.4 AU - 1.44 AU

Year: 609 Days

Day: 22 Hours

Environment

Temp: 3 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.78 AU - 2.32 AU

Year: 1056 Days

Day: 44.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 14.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.14 AU - 9.3 AU

Year: 7720 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,370,582 km

• M1: 181,462 km (0.088 R)
• M2: 657,931 km (0.075 R)
• M3: 1,383,780 km (0.113 R)
• M4: 2,113,519 km (0.111 R)
• M5: 3,269,162 km (0.077 R)
• M6: 5,563,694 km (0.118 R)
• M7: 7,381,458 km (0.112 R)
• M8: 9,520,708 km (0.073 R)
• M9: 10,914,511 km (0.109 R)
• M10: 11,552,097 km (0.093 R)
• M11: 14,543,456 km (0.093 R)
• M12: 15,185,530 km (0.108 R)
• M13: 25,347,564 km (0.098 R)
• M14: 26,943,474 km (0.081 R)
• M15: 28,805,519 km (0.11 R)
• M16: 31,067,139 km (0.067 R)
• M17: 32,349,343 km (0.081 R)
• M18: 34,001,651 km (0.045 R)
• M19: 34,791,678 km (0.113 R)
• M20: 39,542,906 km (0.06 R)
• M21: 40,416,707 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.7

Radius: 4.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 11.63 AU - 17.13 AU

Year: 19625 Days

Day: 16.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,370,582 km

• M1: 54,603 km (0.052 R)
• M2: 501,153 km (0.086 R)
• M3: 842,236 km (0.098 R)
• M4: 1,584,092 km (0.091 R)
• M5: 4,565,877 km (0.12 R)
• M6: 6,029,991 km (0.101 R)
• M7: 6,568,992 km (0.088 R)
• M8: 7,287,062 km (0.107 R)
• M9: 7,780,884 km (0.107 R)
• M10: 10,494,440 km (0.086 R)
• M11: 21,965,455 km (0.071 R)
• M12: 24,550,357 km (0.06 R)
• M13: 26,177,234 km (0.09 R)
• M14: 27,151,266 km (0.085 R)
• M15: 35,505,858 km (0.117 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 14,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit