🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.6 AU - 0.86 AU

Year: 231 Days

Day: 38.9 Hours

Environment

Temp: 177 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.98 AU - 1.54 AU

Year: 525 Days

Day: 33.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 20.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 11.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.58 AU - 6.06 AU

Year: 5207 Days

Day: 10.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 32,405,886 km

• M1: 143,315 km (0.09 R)
• M2: 273,315 km (0.076 R)
• M3: 509,680 km (0.102 R)
• M4: 588,817 km (0.098 R)
• M5: 909,705 km (0.117 R)
• M6: 1,112,859 km (0.089 R)
• M7: 1,235,978 km (0.096 R)
• M8: 1,546,992 km (0.072 R)
• M9: 1,810,284 km (0.071 R)
• M10: 1,993,990 km (0.061 R)
• M11: 2,520,575 km (0.088 R)
• M12: 2,768,309 km (0.114 R)
• M13: 3,155,019 km (0.095 R)
• M14: 3,332,442 km (0.104 R)
• M15: 3,837,485 km (0.041 R)
• M16: 4,147,302 km (0.108 R)
• M17: 4,244,391 km (0.035 R)
• M18: 4,589,812 km (0.108 R)
• M19: 4,816,902 km (0.036 R)
• M20: 5,099,343 km (0.054 R)
• M21: 5,546,640 km (0.093 R)
• M22: 5,979,128 km (0.079 R)
• M23: 6,591,731 km (0.048 R)
• M24: 7,049,949 km (0.103 R)
• M25: 7,253,552 km (0.092 R)
• M26: 8,027,272 km (0.047 R)
• M27: 8,578,241 km (0.085 R)
• M28: 9,046,782 km (0.108 R)
• M29: 9,331,915 km (0.087 R)
• M30: 9,588,027 km (0.096 R)
• M31: 9,943,770 km (0.119 R)
• M32: 10,139,594 km (0.115 R)
• M33: 10,369,825 km (0.108 R)
• M34: 10,634,913 km (0.117 R)
• M35: 11,205,928 km (0.061 R)
• M36: 11,375,721 km (0.105 R)
• M37: 11,855,930 km (0.117 R)
• M38: 13,085,027 km (0.103 R)
• M39: 14,024,202 km (0.117 R)
• M40: 14,097,355 km (0.099 R)
• M41: 14,724,320 km (0.095 R)
• M42: 14,835,920 km (0.12 R)
• M43: 15,473,506 km (0.116 R)
• M44: 15,586,901 km (0.1 R)
• M45: 15,929,032 km (0.091 R)
• M46: 16,120,068 km (0.067 R)
• M47: 16,311,853 km (0.113 R)
• M48: 16,543,131 km (0.111 R)
• M49: 16,891,993 km (0.096 R)
• M50: 16,969,934 km (0.089 R)
• M51: 18,192,148 km (0.067 R)
• M52: 18,713,048 km (0.102 R)
• M53: 19,076,571 km (0.104 R)
• M54: 19,769,658 km (0.102 R)
• M55: 20,305,218 km (0.075 R)
• M56: 20,595,588 km (0.084 R)
• M57: 21,012,816 km (0.102 R)
• M58: 21,601,633 km (0.043 R)
• M59: 21,728,492 km (0.082 R)
• M60: 22,110,565 km (0.052 R)
• M61: 23,617,764 km (0.045 R)
• M62: 23,704,830 km (0.088 R)
• M63: 23,792,045 km (0.07 R)
• M64: 24,273,750 km (0.118 R)
• M65: 24,935,871 km (0.084 R)
• M66: 25,024,582 km (0.11 R)
• M67: 25,872,653 km (0.103 R)
• M68: 26,548,835 km (0.062 R)
• M69: 27,642,844 km (0.092 R)
• M70: 28,010,855 km (0.084 R)
• M71: 28,658,763 km (0.059 R)
• M72: 29,874,844 km (0.103 R)
• M73: 30,869,521 km (0.064 R)
• M74: 31,490,651 km (0.114 R)
• M75: 31,586,543 km (0.111 R)
• M76: 31,923,138 km (0.077 R)
• M77: 32,260,781 km (0.069 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 18,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit