🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.96 AU

Year: 246 Days

Day: 33.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 56,563,564 km

• M1: 76,145 km (0.105 R)
• M2: 184,604 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.32 AU - 1.66 AU

Year: 636 Days

Day: 21.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.52 AU - 3.96 AU

Year: 2040 Days

Day: 38.1 Hours

Environment

Temp: -95 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,563,564 km

• M1: 555,158 km (0.106 R)
• M2: 1,515,576 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.59 AU - 4.25 AU

Year: 2213 Days

Day: 32.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 9.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.47 AU - 6.87 AU

Year: 5362 Days

Day: 14.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 106.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,563,564 km

• M1: 133,591 km (0.036 R)
• M2: 668,254 km (0.102 R)
• M3: 1,154,148 km (0.09 R)
• M4: 1,825,393 km (0.113 R)
• M5: 2,226,764 km (0.086 R)
• M6: 3,189,427 km (0.051 R)
• M7: 7,023,022 km (0.108 R)
• M8: 11,142,947 km (0.081 R)
• M9: 12,060,132 km (0.098 R)
• M10: 20,203,791 km (0.082 R)
• M11: 22,625,481 km (0.102 R)
• M12: 23,278,326 km (0.073 R)
• M13: 25,157,425 km (0.076 R)
• M14: 26,892,760 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 14.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.39 AU - 11.21 AU

Year: 9922 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,563,564 km

• M1: 176,675 km (0.111 R)
• M2: 640,728 km (0.115 R)
• M3: 1,149,211 km (0.086 R)
• M4: 1,965,267 km (0.102 R)
• M5: 2,945,133 km (0.116 R)
• M6: 3,415,918 km (0.078 R)
• M7: 4,057,543 km (0.05 R)
• M8: 4,564,231 km (0.098 R)
• M9: 7,392,229 km (0.106 R)
• M10: 8,470,979 km (0.043 R)
• M11: 9,652,204 km (0.088 R)
• M12: 10,328,686 km (0.026 R)
• M13: 11,928,934 km (0.111 R)
• M14: 16,110,195 km (0.095 R)
• M15: 17,785,990 km (0.105 R)
• M16: 20,660,962 km (0.117 R)
• M17: 24,077,179 km (0.105 R)
• M18: 24,903,258 km (0.118 R)
• M19: 28,763,931 km (0.084 R)
• M20: 29,412,886 km (0.107 R)
• M21: 32,206,178 km (0.089 R)
• M22: 32,805,467 km (0.083 R)
• M23: 34,129,557 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.1

Radius: 15

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.87 AU - 11.47 AU

Year: 12193 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,563,564 km

• M1: 186,549 km (0.107 R)
• M2: 716,125 km (0.103 R)
• M3: 1,259,614 km (0.114 R)
• M4: 1,931,907 km (0.106 R)
• M5: 2,708,769 km (0.061 R)
• M6: 4,304,080 km (0.087 R)
• M7: 5,965,365 km (0.108 R)
• M8: 8,344,420 km (0.059 R)
• M9: 9,413,596 km (0.037 R)
• M10: 10,627,134 km (0.106 R)
• M11: 12,122,065 km (0.097 R)
• M12: 12,983,001 km (0.048 R)
• M13: 13,818,804 km (0.115 R)
• M14: 15,244,322 km (0.093 R)
• M15: 16,247,825 km (0.042 R)
• M16: 16,840,831 km (0.064 R)
• M17: 17,448,198 km (0.066 R)
• M18: 18,307,189 km (0.113 R)
• M19: 21,670,598 km (0.105 R)
• M20: 22,480,670 km (0.116 R)
• M21: 24,353,187 km (0.067 R)
• M22: 30,481,763 km (0.098 R)
• M23: 33,960,661 km (0.073 R)
• M24: 36,296,183 km (0.116 R)
• M25: 44,373,571 km (0.092 R)
• M26: 45,387,695 km (0.055 R)
• M27: 45,974,118 km (0.102 R)
• M28: 47,311,972 km (0.074 R)
• M29: 51,164,417 km (0.061 R)
• M30: 51,959,230 km (0.119 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 15,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit