🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.65 AU - 0.91 AU

Year: 258 Days

Day: 28.1 Hours

Environment

Temp: 89 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.93 AU - 1.15 AU

Year: 397 Days

Day: 21.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.89 AU - 1.29 AU

Year: 426 Days

Day: 15.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.99 AU - 3.05 AU

Year: 1499 Days

Day: 15.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,468,676 km

• M1: 1,850,974 km (0.029 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.32 AU - 3.04 AU

Year: 1644 Days

Day: 37.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.05 AU - 3.19 AU

Year: 2065 Days

Day: 34.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,468,676 km

• M1: 268,379 km (0.062 R)
• M2: 673,340 km (0.072 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.42 AU - 3.92 AU

Year: 2635 Days

Day: 25.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 8.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.78 AU - 5.22 AU

Year: 3577 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,468,676 km

• M1: 107,561 km (0.037 R)
• M2: 397,781 km (0.095 R)
• M3: 914,043 km (0.053 R)
• M4: 1,177,036 km (0.119 R)
• M5: 1,509,891 km (0.057 R)
• M6: 2,052,034 km (0.116 R)
• M7: 4,634,093 km (0.114 R)
• M8: 4,967,098 km (0.115 R)
• M9: 7,395,371 km (0.044 R)
• M10: 7,938,561 km (0.099 R)
• M11: 8,416,227 km (0.095 R)
• M12: 9,136,540 km (0.12 R)
• M13: 10,102,344 km (0.062 R)
• M14: 10,450,758 km (0.115 R)
• M15: 10,988,263 km (0.037 R)
• M16: 12,118,624 km (0.11 R)
• M17: 12,954,876 km (0.078 R)
• M18: 13,828,827 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 14.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.95 AU - 11.25 AU

Year: 10287 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,468,676 km

• M1: 177,124 km (0.107 R)
• M2: 1,527,245 km (0.109 R)
• M3: 2,003,863 km (0.092 R)
• M4: 7,012,550 km (0.11 R)
• M5: 9,092,259 km (0.036 R)
• M6: 10,739,631 km (0.12 R)
• M7: 12,633,989 km (0.117 R)
• M8: 14,134,456 km (0.079 R)
• M9: 15,558,179 km (0.082 R)
• M10: 19,496,642 km (0.075 R)
• M11: 21,496,616 km (0.108 R)
• M12: 27,650,324 km (0.082 R)
• M13: 30,570,774 km (0.103 R)
• M14: 36,110,682 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.4

Radius: 3.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.88 AU - 17.2 AU

Year: 25208 Days

Day: 17.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,468,676 km

• M1: 49,068 km (0.106 R)
• M2: 272,119 km (0.046 R)
• M3: 677,978 km (0.075 R)
• M4: 819,198 km (0.115 R)
• M5: 1,524,103 km (0.106 R)
• M6: 2,246,661 km (0.107 R)
• M7: 5,313,716 km (0.106 R)
• M8: 5,573,269 km (0.113 R)
• M9: 5,978,230 km (0.099 R)
• M10: 8,173,579 km (0.051 R)
• M11: 8,695,825 km (0.034 R)
• M12: 11,536,988 km (0.061 R)
• M13: 12,249,223 km (0.106 R)
• M14: 12,587,614 km (0.098 R)
• M15: 13,821,198 km (0.118 R)
• M16: 16,052,450 km (0.079 R)
• M17: 17,500,408 km (0.119 R)
• M18: 17,714,033 km (0.059 R)
• M19: 19,334,777 km (0.087 R)
• M20: 22,783,008 km (0.079 R)
• M21: 27,955,803 km (0.104 R)
• M22: 29,941,415 km (0.091 R)
• M23: 34,524,795 km (0.104 R)
• M24: 36,924,046 km (0.113 R)
• M25: 39,922,436 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 17,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit