🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.55 AU - 0.57 AU

Year: 153 Days

Day: 27.8 Hours

Environment

Temp: 158 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,097,352 km

• M1: 277,205 km (0.091 R)
• M2: 515,215 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.18 AU - 1.42 AU

Year: 541 Days

Day: 40.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,097,352 km

• M1: 654,790 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.45 AU - 3.27 AU

Year: 1767 Days

Day: 26.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 13.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.24 AU - 6.34 AU

Year: 5089 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,097,352 km

• M1: 164,109 km (0.12 R)
• M2: 1,042,847 km (0.116 R)
• M3: 1,791,734 km (0.116 R)
• M4: 2,432,611 km (0.086 R)
• M5: 3,596,931 km (0.099 R)
• M6: 4,409,846 km (0.114 R)
• M7: 4,949,146 km (0.062 R)
• M8: 5,559,805 km (0.107 R)
• M9: 6,280,268 km (0.118 R)
• M10: 8,632,396 km (0.118 R)
• M11: 11,340,865 km (0.094 R)
• M12: 13,184,360 km (0.103 R)
• M13: 18,498,973 km (0.04 R)
• M14: 20,637,475 km (0.108 R)
• M15: 25,945,208 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 9.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.47 AU - 7.75 AU

Year: 7668 Days

Day: 6.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,097,352 km

• M1: 115,789 km (0.047 R)
• M2: 469,588 km (0.059 R)
• M3: 888,911 km (0.028 R)
• M4: 1,629,270 km (0.085 R)
• M5: 3,469,773 km (0.094 R)
• M6: 5,629,667 km (0.072 R)
• M7: 6,469,958 km (0.065 R)
• M8: 7,099,167 km (0.089 R)
• M9: 9,104,377 km (0.095 R)
• M10: 9,715,035 km (0.099 R)
• M11: 10,634,464 km (0.083 R)
• M12: 12,806,326 km (0.117 R)
• M13: 17,872,458 km (0.1 R)
• M14: 20,402,307 km (0.026 R)
• M15: 22,764,158 km (0.083 R)
• M16: 23,241,525 km (0.114 R)
• M17: 24,464,189 km (0.097 R)
• M18: 24,797,343 km (0.103 R)
• M19: 34,248,787 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.1

Radius: 11.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.54 AU - 9.08 AU

Year: 7972 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,097,352 km

• M1: 175,628 km (0.093 R)
• M2: 1,055,712 km (0.082 R)
• M3: 1,608,626 km (0.108 R)
• M4: 2,301,414 km (0.088 R)
• M5: 2,799,575 km (0.094 R)
• M6: 3,828,658 km (0.061 R)
• M7: 4,902,173 km (0.106 R)
• M8: 7,784,774 km (0.093 R)
• M9: 9,413,596 km (0.098 R)
• M10: 10,974,949 km (0.109 R)
• M11: 12,090,799 km (0.083 R)
• M12: 14,890,972 km (0.103 R)
• M13: 15,534,542 km (0.073 R)
• M14: 22,263,454 km (0.062 R)
• M15: 28,428,981 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.2

Radius: 9.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.56 AU - 10.96 AU

Year: 12892 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,097,352 km

• M1: 123,717 km (0.079 R)
• M2: 511,924 km (0.084 R)
• M3: 1,178,233 km (0.096 R)
• M4: 1,566,589 km (0.029 R)
• M5: 3,227,574 km (0.102 R)
• M6: 3,808,762 km (0.098 R)
• M7: 4,458,316 km (0.114 R)
• M8: 5,312,968 km (0.103 R)
• M9: 8,079,781 km (0.096 R)
• M10: 8,910,498 km (0.038 R)
• M11: 9,695,737 km (0.047 R)
• M12: 10,367,132 km (0.096 R)
• M13: 14,394,756 km (0.098 R)
• M14: 15,753,254 km (0.108 R)
• M15: 17,872,308 km (0.09 R)
• M16: 19,440,094 km (0.088 R)
• M17: 22,578,807 km (0.115 R)
• M18: 23,299,270 km (0.053 R)
• M19: 23,665,336 km (0.049 R)
• M20: 24,035,142 km (0.097 R)
• M21: 26,832,622 km (0.056 R)
• M22: 27,948,323 km (0.074 R)
• M23: 31,037,669 km (0.109 R)
• M24: 32,493,555 km (0.037 R)
• M25: 35,300,310 km (0.095 R)
• M26: 36,886,197 km (0.041 R)
• M27: 38,774,571 km (0.082 R)
• M28: 44,825,057 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 12,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit