🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.43 AU - 0.61 AU

Year: 135 Days

Day: 14.9 Hours

Environment

Temp: 198 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,157,873 km

• M1: 292,464 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.59 AU - 0.75 AU

Year: 197 Days

Day: 12.7 Hours

Environment

Temp: 216 °C

Axial Tilt: 41.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.58 AU - 2 AU

Year: 862 Days

Day: 13.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 14.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.47 AU - 7.25 AU

Year: 6466 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,157,873 km

• M1: 177,872 km (0.096 R)
• M2: 750,233 km (0.093 R)
• M3: 1,355,806 km (0.057 R)
• M4: 2,003,265 km (0.062 R)
• M5: 3,151,578 km (0.096 R)
• M6: 4,513,667 km (0.115 R)
• M7: 5,850,174 km (0.074 R)
• M8: 6,714,551 km (0.115 R)
• M9: 7,739,147 km (0.075 R)
• M10: 8,698,219 km (0.117 R)
• M11: 10,283,806 km (0.112 R)
• M12: 12,904,013 km (0.114 R)
• M13: 15,942,196 km (0.1 R)
• M14: 16,965,745 km (0.117 R)
• M15: 17,964,759 km (0.072 R)
• M16: 18,792,036 km (0.048 R)
• M17: 22,992,146 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 14.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.54 AU - 8.38 AU

Year: 6608 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,157,873 km

• M1: 181,911 km (0.087 R)
• M2: 971,040 km (0.073 R)
• M3: 2,643,394 km (0.086 R)
• M4: 3,933,676 km (0.087 R)
• M5: 5,023,496 km (0.105 R)
• M6: 8,092,198 km (0.093 R)
• M7: 8,822,534 km (0.065 R)
• M8: 13,205,902 km (0.096 R)
• M9: 13,786,641 km (0.081 R)
• M10: 14,773,687 km (0.064 R)
• M11: 18,866,236 km (0.073 R)
• M12: 26,462,068 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 10.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.11 AU - 7.77 AU

Year: 7303 Days

Day: 14.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,157,873 km

• M1: 125,662 km (0.09 R)
• M2: 495,019 km (0.102 R)
• M3: 850,913 km (0.086 R)
• M4: 1,523,954 km (0.066 R)
• M5: 1,877,453 km (0.105 R)
• M6: 3,060,473 km (0.118 R)
• M7: 3,720,649 km (0.112 R)
• M8: 5,122,979 km (0.042 R)
• M9: 6,410,269 km (0.061 R)
• M10: 7,380,860 km (0.111 R)
• M11: 9,396,242 km (0.084 R)
• M12: 10,324,048 km (0.068 R)
• M13: 11,360,462 km (0.061 R)
• M14: 11,954,216 km (0.1 R)
• M15: 13,474,879 km (0.074 R)
• M16: 15,002,871 km (0.101 R)
• M17: 15,357,568 km (0.101 R)
• M18: 17,867,072 km (0.088 R)
• M19: 20,783,782 km (0.115 R)
• M20: 23,366,439 km (0.085 R)
• M21: 23,683,736 km (0.102 R)
• M22: 24,003,876 km (0.108 R)
• M23: 26,326,383 km (0.031 R)
• M24: 27,103,843 km (0.034 R)
• M25: 27,807,551 km (0.083 R)
• M26: 29,527,777 km (0.085 R)
• M27: 29,898,780 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.3

Radius: 6.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.73 AU - 14.19 AU

Year: 17772 Days

Day: 17.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,157,873 km

• M1: 78,389 km (0.072 R)
• M2: 283,787 km (0.072 R)
• M3: 486,642 km (0.057 R)
• M4: 808,726 km (0.058 R)
• M5: 1,122,283 km (0.103 R)
• M6: 2,125,636 km (0.032 R)
• M7: 2,422,588 km (0.11 R)
• M8: 3,014,397 km (0.117 R)
• M9: 3,436,413 km (0.067 R)
• M10: 4,678,374 km (0.047 R)
• M11: 4,911,298 km (0.108 R)
• M12: 5,821,152 km (0.111 R)
• M13: 7,177,257 km (0.116 R)
• M14: 9,448,602 km (0.055 R)
• M15: 11,888,543 km (0.118 R)
• M16: 12,995,118 km (0.066 R)
• M17: 13,339,941 km (0.073 R)
• M18: 14,108,276 km (0.114 R)
• M19: 14,534,032 km (0.07 R)
• M20: 15,283,816 km (0.115 R)
• M21: 15,539,329 km (0.052 R)
• M22: 16,590,105 km (0.072 R)
• M23: 17,828,027 km (0.066 R)
• M24: 18,469,503 km (0.098 R)
• M25: 25,754,171 km (0.118 R)
• M26: 33,120,969 km (0.092 R)
• M27: 34,089,615 km (0.108 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit