🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.79 AU - 1.07 AU

Year: 326 Days

Day: 28.4 Hours

Environment

Temp: 83 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.97 AU - 1.15 AU

Year: 397 Days

Day: 41.9 Hours

Environment

Temp: 36 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,870,897 km

• M1: 61,036 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.9 AU - 1.26 AU

Year: 408 Days

Day: 32.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,870,897 km

• M1: 392,844 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.47 AU - 1.51 AU

Year: 661 Days

Day: 38.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.9 AU - 4.44 AU

Year: 2555 Days

Day: 16.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.14 AU - 4.8 AU

Year: 2875 Days

Day: 45.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,870,897 km

• M1: 3,570,303 km (0.052 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.27 AU - 5.35 AU

Year: 3252 Days

Day: 18 Hours

Environment

Temp: -126 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 8.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.58 AU - 6.62 AU

Year: 5476 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,870,897 km

• M1: 108,010 km (0.048 R)
• M2: 431,889 km (0.093 R)
• M3: 797,357 km (0.095 R)
• M4: 1,355,656 km (0.098 R)
• M5: 2,990,162 km (0.055 R)
• M6: 5,315,512 km (0.075 R)
• M7: 7,286,314 km (0.107 R)
• M8: 8,379,426 km (0.093 R)
• M9: 9,905,473 km (0.103 R)
• M10: 10,582,105 km (0.088 R)
• M11: 11,244,075 km (0.077 R)
• M12: 12,945,452 km (0.079 R)
• M13: 14,170,808 km (0.077 R)
• M14: 15,979,596 km (0.099 R)
• M15: 25,690,742 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 11.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.37 AU - 9.31 AU

Year: 8753 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,870,897 km

• M1: 141,819 km (0.062 R)
• M2: 1,459,327 km (0.077 R)
• M3: 1,942,080 km (0.082 R)
• M4: 2,473,900 km (0.12 R)
• M5: 3,536,643 km (0.067 R)
• M6: 4,703,955 km (0.037 R)
• M7: 12,626,359 km (0.096 R)
• M8: 13,502,405 km (0.098 R)
• M9: 15,441,043 km (0.08 R)
• M10: 23,470,709 km (0.03 R)
• M11: 25,520,200 km (0.11 R)
• M12: 26,260,111 km (0.104 R)
• M13: 26,635,452 km (0.102 R)
• M14: 29,870,207 km (0.073 R)
• M15: 34,691,148 km (0.103 R)
• M16: 35,256,777 km (0.067 R)
• M17: 39,759,673 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.8

Radius: 5

Gravity: 20.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 12.15 AU - 18.33 AU

Year: 21623 Days

Day: 20 Hours

Environment

Temp: -196 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,870,897 km

• M1: 178,769 km (0.096 R)
• M2: 366,066 km (0.073 R)
• M3: 523,144 km (0.069 R)
• M4: 826,977 km (0.114 R)
• M5: 1,056,161 km (0.085 R)
• M6: 1,401,882 km (0.089 R)
• M7: 2,678,699 km (0.057 R)
• M8: 11,848,301 km (0.095 R)
• M9: 16,105,557 km (0.07 R)
• M10: 17,080,786 km (0.076 R)
• M11: 17,414,539 km (0.101 R)
• M12: 20,428,636 km (0.105 R)
• M13: 23,566,901 km (0.099 R)
• M14: 24,189,078 km (0.105 R)
• M15: 25,358,036 km (0.098 R)
• M16: 26,121,284 km (0.054 R)
• M17: 33,172,430 km (0.063 R)
• M18: 39,913,609 km (0.1 R)
• M19: 41,843,871 km (0.102 R)
• M20: 47,512,733 km (0.094 R)
• M21: 48,671,218 km (0.054 R)
• M22: 57,686,884 km (0.1 R)
• M23: 58,249,372 km (0.115 R)
• M24: 63,676,782 km (0.106 R)
• M25: 67,131,147 km (0.039 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 14,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit