🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.79 AU - 1.07 AU

Year: 321 Days

Day: 33.8 Hours

Environment

Temp: 156 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.12 AU - 1.3 AU

Year: 477 Days

Day: 31.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.23 AU - 1.25 AU

Year: 495 Days

Day: 15.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.66 AU - 2.84 AU

Year: 1633 Days

Day: 13.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.13 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.82 AU - 4.18 AU

Year: 2345 Days

Day: 40.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.05 AU - 5.77 AU

Year: 3897 Days

Day: 21 Hours

Environment

Temp: -128 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.73 AU - 7.29 AU

Year: 5949 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,268,659 km

• M1: 186,549 km (0.087 R)
• M2: 670,498 km (0.108 R)
• M3: 1,238,371 km (0.073 R)
• M4: 2,671,070 km (0.092 R)
• M5: 3,174,766 km (0.119 R)
• M6: 4,027,025 km (0.087 R)
• M7: 4,640,676 km (0.073 R)
• M8: 5,112,956 km (0.114 R)
• M9: 7,939,458 km (0.103 R)
• M10: 8,742,500 km (0.107 R)
• M11: 9,732,389 km (0.105 R)
• M12: 11,331,291 km (0.119 R)
• M13: 12,089,902 km (0.069 R)
• M14: 13,765,248 km (0.054 R)
• M15: 14,865,840 km (0.108 R)
• M16: 16,529,966 km (0.092 R)
• M17: 17,308,174 km (0.078 R)
• M18: 18,042,999 km (0.059 R)
• M19: 22,110,864 km (0.098 R)
• M20: 23,945,982 km (0.044 R)
• M21: 24,691,129 km (0.081 R)
• M22: 31,024,654 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.3

Radius: 14.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.88 AU - 8.2 AU

Year: 8165 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,268,659 km

• M1: 189,840 km (0.111 R)
• M2: 675,135 km (0.053 R)
• M3: 1,233,434 km (0.026 R)
• M4: 1,682,378 km (0.07 R)
• M5: 2,390,125 km (0.116 R)
• M6: 2,948,424 km (0.113 R)
• M7: 4,860,136 km (0.07 R)
• M8: 6,047,943 km (0.119 R)
• M9: 8,703,903 km (0.061 R)
• M10: 9,162,720 km (0.05 R)
• M11: 10,731,852 km (0.086 R)
• M12: 12,111,144 km (0.097 R)
• M13: 13,004,393 km (0.069 R)
• M14: 18,895,707 km (0.081 R)
• M15: 19,525,813 km (0.09 R)
• M16: 22,187,608 km (0.055 R)
• M17: 22,653,606 km (0.083 R)
• M18: 25,250,774 km (0.05 R)
• M19: 30,933,848 km (0.102 R)
• M20: 33,104,064 km (0.098 R)
• M21: 34,329,719 km (0.077 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 11,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit