🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.6 AU - 0.78 AU

Year: 210 Days

Day: 22.8 Hours

Environment

Temp: 111 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.58 AU - 0.9 AU

Year: 234 Days

Day: 12.7 Hours

Environment

Temp: 121 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,539,499 km

• M1: 32,612 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.76 AU - 0.96 AU

Year: 293 Days

Day: 14.7 Hours

Environment

Temp: 91 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.92 AU - 1.44 AU

Year: 471 Days

Day: 23.7 Hours

Environment

Temp: -0 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.96 AU - 1.44 AU

Year: 483 Days

Day: 22.6 Hours

Environment

Temp: -11 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,539,499 km

• M1: 72,705 km (0.065 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.87 AU - 2.89 AU

Year: 1348 Days

Day: 42.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 14.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.23 AU - 6.95 AU

Year: 6210 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,539,499 km

• M1: 179,069 km (0.069 R)
• M2: 677,230 km (0.082 R)
• M3: 2,728,964 km (0.085 R)
• M4: 3,776,449 km (0.073 R)
• M5: 5,023,496 km (0.086 R)
• M6: 5,669,311 km (0.074 R)
• M7: 6,150,716 km (0.119 R)
• M8: 6,824,356 km (0.07 R)
• M9: 7,762,484 km (0.116 R)
• M10: 8,628,057 km (0.069 R)
• M11: 9,432,146 km (0.082 R)
• M12: 10,507,156 km (0.076 R)
• M13: 11,471,913 km (0.079 R)
• M14: 11,951,673 km (0.117 R)
• M15: 13,524,994 km (0.089 R)
• M16: 14,006,699 km (0.111 R)
• M17: 15,405,290 km (0.113 R)
• M18: 18,154,599 km (0.108 R)
• M19: 18,939,838 km (0.061 R)
• M20: 19,815,884 km (0.077 R)
• M21: 21,002,195 km (0.073 R)
• M22: 21,794,615 km (0.084 R)
• M23: 22,383,432 km (0.116 R)
• M24: 23,286,554 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.1

Radius: 4.7

Gravity: 20.6 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 12.27 AU - 15.27 AU

Year: 18757 Days

Day: 22.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,539,499 km

• M1: 69,563 km (0.089 R)
• M2: 309,069 km (0.107 R)
• M3: 574,605 km (0.108 R)
• M4: 926,160 km (0.089 R)
• M5: 2,578,618 km (0.039 R)
• M6: 3,886,852 km (0.093 R)
• M7: 5,734,984 km (0.114 R)
• M8: 8,538,897 km (0.049 R)
• M9: 8,943,410 km (0.088 R)
• M10: 10,748,308 km (0.081 R)
• M11: 11,521,579 km (0.095 R)
• M12: 13,045,234 km (0.104 R)
• M13: 13,924,271 km (0.096 R)
• M14: 18,330,526 km (0.091 R)
• M15: 19,345,398 km (0.1 R)
• M16: 22,709,854 km (0.101 R)
• M17: 24,580,127 km (0.098 R)
• M18: 28,848,304 km (0.066 R)
• M19: 37,459,756 km (0.053 R)
• M20: 39,089,624 km (0.081 R)
• M21: 57,706,032 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.4

Radius: 7.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 15.19 AU - 19.53 AU

Year: 26552 Days

Day: 16.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,539,499 km

• M1: 97,239 km (0.082 R)
• M2: 341,532 km (0.087 R)
• M3: 658,380 km (0.082 R)
• M4: 1,125,724 km (0.107 R)
• M5: 2,388,330 km (0.104 R)
• M6: 6,898,257 km (0.119 R)
• M7: 7,439,353 km (0.067 R)
• M8: 7,874,533 km (0.101 R)
• M9: 8,143,809 km (0.07 R)
• M10: 8,419,069 km (0.05 R)
• M11: 8,988,438 km (0.085 R)
• M12: 15,252,999 km (0.096 R)
• M13: 18,115,255 km (0.111 R)
• M14: 20,044,319 km (0.089 R)
• M15: 20,547,118 km (0.109 R)
• M16: 21,665,512 km (0.072 R)
• M17: 22,017,665 km (0.12 R)
• M18: 22,373,558 km (0.065 R)
• M19: 26,147,165 km (0.084 R)
• M20: 28,079,820 km (0.092 R)
• M21: 37,518,847 km (0.093 R)
• M22: 45,484,485 km (0.106 R)
• M23: 48,421,390 km (0.052 R)
• M24: 50,242,894 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 19,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit