🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.47 AU - 0.77 AU

Year: 177 Days

Day: 13.7 Hours

Environment

Temp: 207 °C

Axial Tilt: 41.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.84 AU - 0.96 AU

Year: 310 Days

Day: 30.8 Hours

Environment

Temp: 108 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.58 AU - 3.86 AU

Year: 2608 Days

Day: 16.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.18 AU - 4.42 AU

Year: 2692 Days

Day: 29 Hours

Environment

Temp: -125 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.07 AU - 5.35 AU

Year: 3715 Days

Day: 22.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,844,128 km

• M1: 25,282 km (0.102 R)

Asteroid Belt

Center: 6.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.5

Radius: 8.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.81 AU - 8.23 AU

Year: 7495 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,844,128 km

• M1: 103,223 km (0.061 R)
• M2: 719,566 km (0.067 R)
• M3: 1,428,809 km (0.081 R)
• M4: 1,797,119 km (0.039 R)
• M5: 2,476,593 km (0.115 R)
• M6: 2,884,546 km (0.071 R)
• M7: 4,981,759 km (0.094 R)
• M8: 6,717,094 km (0.078 R)
• M9: 7,107,395 km (0.085 R)
• M10: 7,651,183 km (0.083 R)
• M11: 18,705,718 km (0.102 R)
• M12: 21,157,926 km (0.112 R)
• M13: 21,997,320 km (0.096 R)
• M14: 24,419,758 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.3

Radius: 14.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.37 AU - 12.11 AU

Year: 11048 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,844,128 km

• M1: 179,218 km (0.106 R)
• M2: 643,271 km (0.104 R)
• M3: 1,802,206 km (0.042 R)
• M4: 2,302,760 km (0.034 R)
• M5: 4,117,382 km (0.067 R)
• M6: 4,896,338 km (0.099 R)
• M7: 5,657,043 km (0.092 R)
• M8: 7,346,751 km (0.086 R)
• M9: 7,835,188 km (0.052 R)
• M10: 11,238,839 km (0.088 R)
• M11: 11,936,713 km (0.063 R)
• M12: 13,782,153 km (0.067 R)
• M13: 14,910,719 km (0.116 R)
• M14: 16,688,091 km (0.052 R)
• M15: 20,455,265 km (0.093 R)
• M16: 21,075,946 km (0.107 R)
• M17: 22,573,122 km (0.048 R)
• M18: 23,161,790 km (0.064 R)
• M19: 28,161,650 km (0.045 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 17,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit