🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.47 AU - 0.65 AU

Year: 147 Days

Day: 39.4 Hours

Environment

Temp: 252 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.54 AU - 0.74 AU

Year: 180 Days

Day: 46.8 Hours

Environment

Temp: 232 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.81 AU - 1.29 AU

Year: 378 Days

Day: 46.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.64 AU - 2.02 AU

Year: 870 Days

Day: 26.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,047,727 km

• M1: 38,447 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.89 AU - 4.17 AU

Year: 2843 Days

Day: 26 Hours

Environment

Temp: -119 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.37 AU - 5.07 AU

Year: 3047 Days

Day: 24.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.6

Radius: 13.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.02 AU - 8.8 AU

Year: 7089 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,047,727 km

• M1: 171,589 km (0.068 R)
• M2: 621,729 km (0.108 R)
• M3: 1,377,048 km (0.098 R)
• M4: 3,927,991 km (0.105 R)
• M5: 5,587,929 km (0.057 R)
• M6: 6,656,208 km (0.11 R)
• M7: 7,570,101 km (0.084 R)
• M8: 8,262,141 km (0.092 R)
• M9: 9,358,544 km (0.076 R)
• M10: 10,286,499 km (0.085 R)
• M11: 11,136,365 km (0.049 R)
• M12: 11,649,485 km (0.08 R)
• M13: 14,843,699 km (0.115 R)
• M14: 15,987,973 km (0.032 R)
• M15: 19,171,715 km (0.1 R)
• M16: 20,877,280 km (0.085 R)
• M17: 21,875,547 km (0.078 R)
• M18: 22,533,927 km (0.112 R)
• M19: 24,982,545 km (0.037 R)
• M20: 28,200,695 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.7

Radius: 4.1

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 12.92 AU - 17.26 AU

Year: 20602 Days

Day: 20.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,047,727 km

• M1: 63,130 km (0.084 R)
• M2: 196,123 km (0.069 R)
• M3: 613,052 km (0.08 R)
• M4: 1,099,993 km (0.098 R)
• M5: 1,431,203 km (0.091 R)
• M6: 2,349,435 km (0.102 R)
• M7: 2,624,096 km (0.117 R)
• M8: 4,453,229 km (0.112 R)
• M9: 6,333,974 km (0.104 R)
• M10: 7,969,378 km (0.099 R)
• M11: 10,027,994 km (0.119 R)
• M12: 16,553,902 km (0.064 R)
• M13: 16,935,377 km (0.05 R)
• M14: 23,572,286 km (0.109 R)
• M15: 27,726,170 km (0.115 R)
• M16: 32,342,461 km (0.077 R)
• M17: 33,906,657 km (0.109 R)
• M18: 34,397,936 km (0.091 R)
• M19: 38,766,643 km (0.083 R)
• M20: 41,222,740 km (0.1 R)
• M21: 45,841,425 km (0.094 R)
• M22: 49,523,328 km (0.073 R)
• M23: 54,732,625 km (0.049 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 17,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit