🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.47 AU - 0.55 AU

Year: 232 Days

Day: 21.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 5,873,255 km

• M1: 410,796 km (0.05 R)
• M2: 611,855 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 12.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.96 AU - 0.98 AU

Year: 607 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 5,873,255 km

• M1: 158,424 km (0.096 R)
• M2: 237,711 km (0.062 R)
• M3: 325,375 km (0.119 R)
• M4: 423,512 km (0.111 R)
• M5: 535,560 km (0.08 R)
• M6: 631,453 km (0.101 R)
• M7: 768,783 km (0.12 R)
• M8: 888,312 km (0.096 R)
• M9: 967,599 km (0.062 R)
• M10: 1,058,405 km (0.108 R)
• M11: 1,235,379 km (0.108 R)
• M12: 1,397,992 km (0.078 R)
• M13: 1,502,262 km (0.099 R)
• M14: 1,593,816 km (0.116 R)
• M15: 1,750,744 km (0.059 R)
• M16: 1,923,978 km (0.075 R)
• M17: 2,029,744 km (0.09 R)
• M18: 2,137,305 km (0.119 R)
• M19: 2,252,944 km (0.075 R)
• M20: 2,340,907 km (0.056 R)
• M21: 2,711,312 km (0.094 R)
• M22: 2,830,541 km (0.092 R)
• M23: 2,919,552 km (0.113 R)
• M24: 3,048,356 km (0.046 R)
• M25: 3,146,193 km (0.093 R)
• M26: 3,291,752 km (0.053 R)
• M27: 3,378,818 km (0.052 R)
• M28: 3,582,869 km (0.08 R)
• M29: 3,825,966 km (0.112 R)
• M30: 3,938,912 km (0.1 R)
• M31: 4,161,214 km (0.089 R)
• M32: 4,314,103 km (0.034 R)
• M33: 4,453,977 km (0.118 R)
• M34: 4,573,057 km (0.082 R)
• M35: 4,837,247 km (0.113 R)
• M36: 4,959,768 km (0.09 R)
• M37: 5,333,314 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.4

Radius: 11.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.01 AU - 1.27 AU

Year: 774 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 5,873,255 km

• M1: 168,148 km (0.039 R)
• M2: 258,505 km (0.071 R)
• M3: 332,107 km (0.04 R)
• M4: 407,804 km (0.07 R)
• M5: 512,074 km (0.058 R)
• M6: 650,152 km (0.113 R)
• M7: 748,737 km (0.108 R)
• M8: 852,857 km (0.059 R)
• M9: 985,102 km (0.106 R)
• M10: 1,058,555 km (0.119 R)
• M11: 1,182,272 km (0.091 R)
• M12: 1,261,110 km (0.112 R)
• M13: 1,362,089 km (0.095 R)
• M14: 1,503,159 km (0.106 R)
• M15: 1,583,643 km (0.105 R)
• M16: 1,698,983 km (0.069 R)
• M17: 1,788,742 km (0.106 R)
• M18: 2,104,094 km (0.098 R)
• M19: 2,250,102 km (0.106 R)
• M20: 2,399,400 km (0.093 R)
• M21: 2,488,112 km (0.1 R)
• M22: 2,734,649 km (0.072 R)
• M23: 2,908,033 km (0.115 R)
• M24: 2,995,997 km (0.071 R)
• M25: 3,091,889 km (0.065 R)
• M26: 3,188,828 km (0.07 R)
• M27: 3,371,487 km (0.116 R)
• M28: 3,457,057 km (0.029 R)
• M29: 3,739,947 km (0.12 R)
• M30: 3,843,468 km (0.066 R)
• M31: 4,053,354 km (0.087 R)
• M32: 4,159,718 km (0.09 R)
• M33: 4,336,543 km (0.061 R)
• M34: 4,594,599 km (0.032 R)
• M35: 4,793,415 km (0.095 R)
• M36: 4,962,760 km (0.12 R)
• M37: 5,507,745 km (0.095 R)
• M38: 5,753,385 km (0.098 R)
• M39: 5,830,278 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 17,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit