🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.78 AU - 0.92 AU

Year: 298 Days

Day: 36.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 158.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.1 AU - 1.2 AU

Year: 470 Days

Day: 42.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.54 AU - 1.92 AU

Year: 866 Days

Day: 45.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,962,608 km

• M1: 1,179,130 km (0.12 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.3

Radius: 11.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.78 AU - 9.48 AU

Year: 8026 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 21,962,608 km

• M1: 244,742 km (0.066 R)
• M2: 349,311 km (0.066 R)
• M3: 437,125 km (0.061 R)
• M4: 560,693 km (0.035 R)
• M5: 717,471 km (0.088 R)
• M6: 1,009,786 km (0.072 R)
• M7: 1,758,673 km (0.114 R)
• M8: 2,157,949 km (0.109 R)
• M9: 2,322,657 km (0.088 R)
• M10: 2,460,735 km (0.07 R)
• M11: 2,874,822 km (0.091 R)
• M12: 2,973,557 km (0.063 R)
• M13: 3,208,426 km (0.091 R)
• M14: 4,078,337 km (0.068 R)
• M15: 4,152,538 km (0.054 R)
• M16: 4,245,887 km (0.037 R)
• M17: 4,339,984 km (0.044 R)
• M18: 4,607,016 km (0.098 R)
• M19: 4,820,791 km (0.057 R)
• M20: 4,978,168 km (0.083 R)
• M21: 5,379,539 km (0.106 R)
• M22: 5,645,973 km (0.108 R)
• M23: 5,875,008 km (0.07 R)
• M24: 6,667,427 km (0.097 R)
• M25: 6,777,083 km (0.12 R)
• M26: 6,865,345 km (0.113 R)
• M27: 7,132,228 km (0.119 R)
• M28: 7,244,426 km (0.111 R)
• M29: 8,139,919 km (0.103 R)
• M30: 8,398,873 km (0.076 R)
• M31: 9,021,649 km (0.09 R)
• M32: 9,412,399 km (0.062 R)
• M33: 9,585,184 km (0.067 R)
• M34: 9,734,034 km (0.109 R)
• M35: 9,858,649 km (0.057 R)
• M36: 10,235,786 km (0.037 R)
• M37: 10,617,858 km (0.051 R)
• M38: 11,474,456 km (0.113 R)
• M39: 11,738,496 km (0.108 R)
• M40: 12,058,037 km (0.039 R)
• M41: 12,299,488 km (0.066 R)
• M42: 12,515,507 km (0.119 R)
• M43: 12,705,646 km (0.096 R)
• M44: 13,088,617 km (0.067 R)
• M45: 13,866,077 km (0.065 R)
• M46: 14,487,357 km (0.08 R)
• M47: 14,830,086 km (0.071 R)
• M48: 15,089,040 km (0.116 R)
• M49: 15,349,340 km (0.106 R)
• M50: 16,524,431 km (0.089 R)
• M51: 16,792,810 km (0.043 R)
• M52: 16,972,477 km (0.092 R)
• M53: 17,092,604 km (0.057 R)
• M54: 17,758,614 km (0.062 R)
• M55: 18,094,910 km (0.076 R)
• M56: 18,587,685 km (0.115 R)
• M57: 18,929,067 km (0.115 R)
• M58: 20,187,933 km (0.039 R)
• M59: 20,763,137 km (0.111 R)
• M60: 21,182,011 km (0.073 R)
• M61: 21,603,728 km (0.092 R)
• M62: 21,799,252 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit