🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.92 AU

Year: 248 Days

Day: 40 Hours

Environment

Temp: 120 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.91 AU - 0.91 AU

Year: 319 Days

Day: 22 Hours

Environment

Temp: 71 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,282,918 km

• M1: 350,209 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.92 AU - 0.94 AU

Year: 329 Days

Day: 13.6 Hours

Environment

Temp: 103 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.49 AU - 3.25 AU

Year: 1785 Days

Day: 39.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,282,918 km

• M1: 194,178 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.55 AU - 5.17 AU

Year: 3342 Days

Day: 37.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 10.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.13 AU - 9.95 AU

Year: 8369 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,282,918 km

• M1: 134,488 km (0.065 R)
• M2: 773,571 km (0.111 R)
• M3: 1,530,835 km (0.116 R)
• M4: 1,941,631 km (0.07 R)
• M5: 2,552,140 km (0.057 R)
• M6: 5,553,671 km (0.076 R)
• M7: 8,478,160 km (0.116 R)
• M8: 9,319,050 km (0.056 R)
• M9: 10,855,420 km (0.084 R)
• M10: 11,563,018 km (0.037 R)
• M11: 15,085,898 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.3

Radius: 13.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 10 AU - 13.86 AU

Year: 15126 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,282,918 km

• M1: 171,589 km (0.07 R)
• M2: 1,529,638 km (0.032 R)
• M3: 2,046,050 km (0.103 R)
• M4: 3,466,033 km (0.107 R)
• M5: 5,227,249 km (0.056 R)
• M6: 5,820,704 km (0.096 R)
• M7: 8,191,979 km (0.1 R)
• M8: 9,542,250 km (0.063 R)
• M9: 10,058,961 km (0.071 R)
• M10: 11,957,059 km (0.086 R)
• M11: 16,895,883 km (0.117 R)
• M12: 17,577,002 km (0.097 R)
• M13: 19,813,340 km (0.096 R)
• M14: 26,024,195 km (0.047 R)
• M15: 28,177,507 km (0.053 R)
• M16: 34,981,517 km (0.072 R)
• M17: 37,600,527 km (0.12 R)
• M18: 45,075,185 km (0.045 R)
• M19: 51,883,234 km (0.119 R)
• M20: 53,970,873 km (0.08 R)
• M21: 54,788,425 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 17,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit