🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 145 Days

Day: 20.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,969,932 km

• M1: 43,982 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.84 AU - 0.84 AU

Year: 289 Days

Day: 32.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.04 AU - 1.24 AU

Year: 456 Days

Day: 37.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.04 AU - 1.64 AU

Year: 581 Days

Day: 13.6 Hours

Environment

Temp: -29 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.28 AU - 1.44 AU

Year: 594 Days

Day: 13.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 14.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.42 AU - 5.64 AU

Year: 4873 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,969,932 km

• M1: 181,612 km (0.108 R)
• M2: 746,493 km (0.067 R)
• M3: 1,408,464 km (0.069 R)
• M4: 2,061,010 km (0.061 R)
• M5: 2,530,298 km (0.109 R)
• M6: 3,107,896 km (0.083 R)
• M7: 3,649,290 km (0.096 R)
• M8: 4,652,793 km (0.052 R)
• M9: 5,285,891 km (0.082 R)
• M10: 5,947,263 km (0.084 R)
• M11: 8,304,926 km (0.118 R)
• M12: 10,244,163 km (0.063 R)
• M13: 10,967,618 km (0.054 R)
• M14: 13,048,525 km (0.103 R)
• M15: 14,001,912 km (0.114 R)
• M16: 14,627,680 km (0.088 R)
• M17: 18,409,065 km (0.118 R)
• M18: 19,351,681 km (0.058 R)
• M19: 21,607,468 km (0.107 R)
• M20: 23,592,781 km (0.055 R)
• M21: 24,554,695 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 14.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.1 AU - 8.36 AU

Year: 7285 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,969,932 km

• M1: 204,949 km (0.119 R)
• M2: 777,311 km (0.078 R)
• M3: 1,727,706 km (0.054 R)
• M4: 3,221,590 km (0.109 R)
• M5: 6,721,283 km (0.073 R)
• M6: 7,277,787 km (0.116 R)
• M7: 7,831,598 km (0.052 R)
• M8: 8,841,533 km (0.09 R)
• M9: 9,664,322 km (0.103 R)
• M10: 10,826,398 km (0.094 R)
• M11: 13,767,941 km (0.043 R)
• M12: 14,822,606 km (0.099 R)
• M13: 15,396,314 km (0.027 R)
• M14: 20,025,321 km (0.104 R)
• M15: 23,699,295 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.4

Radius: 4.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 11.46 AU - 12.76 AU

Year: 15792 Days

Day: 22.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,969,932 km

• M1: 64,776 km (0.092 R)
• M2: 341,831 km (0.075 R)
• M3: 1,960,779 km (0.119 R)
• M4: 2,255,786 km (0.109 R)
• M5: 3,387,195 km (0.031 R)
• M6: 4,139,523 km (0.113 R)
• M7: 8,354,592 km (0.046 R)
• M8: 9,258,762 km (0.083 R)
• M9: 10,226,510 km (0.106 R)
• M10: 12,523,586 km (0.112 R)
• M11: 16,220,149 km (0.099 R)
• M12: 17,552,169 km (0.065 R)
• M13: 18,314,968 km (0.09 R)
• M14: 23,196,496 km (0.061 R)
• M15: 24,710,875 km (0.078 R)
• M16: 26,290,180 km (0.106 R)
• M17: 30,431,049 km (0.095 R)
• M18: 30,628,967 km (0.107 R)
• M19: 32,655,570 km (0.118 R)
• M20: 34,554,415 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.2

Radius: 4.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 16.1 AU - 19.88 AU

Year: 28594 Days

Day: 20 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,969,932 km

• M1: 183,706 km (0.061 R)
• M2: 704,456 km (0.083 R)
• M3: 1,002,605 km (0.095 R)
• M4: 2,536,581 km (0.104 R)
• M5: 9,689,304 km (0.041 R)
• M6: 14,673,606 km (0.089 R)
• M7: 20,958,063 km (0.093 R)
• M8: 34,380,732 km (0.089 R)
• M9: 43,697,688 km (0.11 R)
• M10: 53,075,978 km (0.025 R)
• M11: 54,730,979 km (0.093 R)
• M12: 56,762,219 km (0.109 R)
• M13: 57,277,734 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit