🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.53 AU - 0.77 AU

Year: 344 Days

Day: 14 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,340,606 km

• M1: 661,671 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 13.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.59 AU - 0.95 AU

Year: 443 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,340,606 km

• M1: 166,054 km (0.108 R)
• M2: 738,415 km (0.075 R)
• M3: 1,215,483 km (0.075 R)
• M4: 1,675,496 km (0.067 R)
• M5: 3,011,555 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 12.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1 AU - 1.02 AU

Year: 666 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,340,606 km

• M1: 155,432 km (0.064 R)
• M2: 593,305 km (0.093 R)
• M3: 1,044,193 km (0.078 R)
• M4: 1,526,347 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 13.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.07 AU - 2.87 AU

Year: 2547 Days

Day: 9.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,340,606 km

• M1: 164,258 km (0.111 R)
• M2: 592,258 km (0.108 R)
• M3: 1,089,671 km (0.085 R)
• M4: 1,638,845 km (0.093 R)
• M5: 2,178,893 km (0.115 R)
• M6: 2,660,449 km (0.096 R)
• M7: 3,164,444 km (0.096 R)
• M8: 3,641,960 km (0.063 R)
• M9: 5,707,009 km (0.091 R)
• M10: 6,132,615 km (0.109 R)
• M11: 7,421,251 km (0.113 R)
• M12: 8,982,604 km (0.112 R)
• M13: 10,127,028 km (0.12 R)
• M14: 11,881,512 km (0.06 R)
• M15: 12,958,616 km (0.09 R)
• M16: 13,697,331 km (0.086 R)
• M17: 15,546,809 km (0.049 R)
• M18: 16,034,049 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 14.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.32 AU - 2.78 AU

Year: 2671 Days

Day: 11.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 148.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,340,606 km

• M1: 185,352 km (0.042 R)
• M2: 659,427 km (0.111 R)
• M3: 1,275,621 km (0.094 R)
• M4: 1,985,014 km (0.111 R)
• M5: 2,625,742 km (0.089 R)
• M6: 3,170,727 km (0.094 R)
• M7: 4,209,983 km (0.071 R)
• M8: 5,029,331 km (0.103 R)
• M9: 5,878,299 km (0.045 R)
• M10: 8,232,221 km (0.088 R)
• M11: 8,809,220 km (0.073 R)
• M12: 9,310,373 km (0.059 R)
• M13: 9,937,188 km (0.042 R)
• M14: 10,407,225 km (0.053 R)
• M15: 11,392,027 km (0.114 R)
• M16: 11,907,392 km (0.074 R)
• M17: 12,772,816 km (0.112 R)
• M18: 14,262,511 km (0.058 R)
• M19: 15,526,015 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.2

Radius: 6.2

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.2 AU - 10.58 AU

Year: 18876 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,340,606 km

• M1: 130,300 km (0.105 R)
• M2: 746,045 km (0.102 R)
• M3: 974,331 km (0.047 R)
• M4: 1,304,793 km (0.079 R)
• M5: 1,690,905 km (0.111 R)
• M6: 2,110,676 km (0.037 R)
• M7: 2,356,166 km (0.114 R)
• M8: 3,423,846 km (0.071 R)
• M9: 3,705,838 km (0.102 R)
• M10: 4,157,624 km (0.086 R)
• M11: 4,747,488 km (0.081 R)
• M12: 5,170,850 km (0.082 R)
• M13: 6,808,648 km (0.118 R)
• M14: 7,579,376 km (0.111 R)
• M15: 11,188,425 km (0.041 R)
• M16: 12,324,022 km (0.084 R)
• M17: 12,520,444 km (0.111 R)
• M18: 13,396,190 km (0.118 R)
• M19: 14,969,960 km (0.045 R)
• M20: 15,955,810 km (0.119 R)
• M21: 25,344,572 km (0.093 R)
• M22: 27,182,232 km (0.05 R)
• M23: 33,733,721 km (0.097 R)
• M24: 34,376,843 km (0.105 R)
• M25: 45,808,364 km (0.105 R)
• M26: 47,234,032 km (0.09 R)
• M27: 47,554,770 km (0.091 R)
• M28: 49,510,163 km (0.12 R)
• M29: 50,675,232 km (0.072 R)
• M30: 51,518,515 km (0.059 R)
• M31: 58,419,913 km (0.082 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 12,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit