🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.94 AU - 1.34 AU

Year: 442 Days

Day: 29.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,189,941 km

• M1: 47,273 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.32 AU - 2.42 AU

Year: 1326 Days

Day: 25.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,189,941 km

• M1: 302,188 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 14.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.62 AU - 11.98 AU

Year: 13805 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,189,941 km

• M1: 185,352 km (0.087 R)
• M2: 654,042 km (0.071 R)
• M3: 2,797,331 km (0.083 R)
• M4: 3,541,879 km (0.08 R)
• M5: 4,415,980 km (0.116 R)
• M6: 6,402,041 km (0.104 R)
• M7: 8,322,279 km (0.114 R)
• M8: 9,919,685 km (0.034 R)
• M9: 10,656,006 km (0.11 R)
• M10: 12,357,083 km (0.104 R)
• M11: 13,210,240 km (0.109 R)
• M12: 16,292,405 km (0.11 R)
• M13: 24,028,111 km (0.069 R)
• M14: 25,261,096 km (0.07 R)
• M15: 29,533,911 km (0.09 R)
• M16: 36,441,144 km (0.105 R)
• M17: 48,262,966 km (0.106 R)
• M18: 49,918,865 km (0.043 R)
• M19: 53,026,461 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.9

Radius: 6.6

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 12.08 AU - 16.22 AU

Year: 19345 Days

Day: 20.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,189,941 km

• M1: 102,475 km (0.079 R)
• M2: 388,206 km (0.08 R)
• M3: 942,616 km (0.079 R)
• M4: 1,206,208 km (0.097 R)
• M5: 1,833,322 km (0.109 R)
• M6: 2,190,861 km (0.05 R)
• M7: 2,406,731 km (0.027 R)
• M8: 2,680,495 km (0.058 R)
• M9: 2,951,416 km (0.084 R)
• M10: 3,469,623 km (0.062 R)
• M11: 6,800,719 km (0.109 R)
• M12: 7,050,548 km (0.103 R)
• M13: 9,739,719 km (0.049 R)
• M14: 11,398,311 km (0.097 R)
• M15: 12,728,385 km (0.106 R)
• M16: 15,052,538 km (0.116 R)
• M17: 15,693,116 km (0.084 R)
• M18: 17,181,166 km (0.102 R)
• M19: 17,723,608 km (0.114 R)
• M20: 18,679,837 km (0.034 R)
• M21: 21,044,232 km (0.06 R)
• M22: 22,757,576 km (0.055 R)
• M23: 28,238,543 km (0.094 R)
• M24: 30,544,145 km (0.039 R)
• M25: 34,294,115 km (0.104 R)
• M26: 34,906,419 km (0.114 R)
• M27: 38,999,417 km (0.067 R)
• M28: 39,532,584 km (0.098 R)
• M29: 41,161,106 km (0.068 R)
• M30: 43,258,917 km (0.038 R)
• M31: 45,574,094 km (0.116 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 19,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit