🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.79 AU - 1.22 AU

Year: 371 Days

Day: 27.4 Hours

Environment

Temp: 33 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 15,709,279 km

• M1: 726,896 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.69 AU - 2.73 AU

Year: 1218 Days

Day: 34.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.35 AU - 3.81 AU

Year: 2005 Days

Day: 32.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 9.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.6 AU - 6.34 AU

Year: 5410 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 15,709,279 km

• M1: 131,796 km (0.104 R)
• M2: 218,413 km (0.071 R)
• M3: 321,635 km (0.109 R)
• M4: 447,298 km (0.034 R)
• M5: 628,461 km (0.027 R)
• M6: 902,524 km (0.1 R)
• M7: 999,164 km (0.048 R)
• M8: 1,090,419 km (0.074 R)
• M9: 1,222,963 km (0.079 R)
• M10: 1,301,202 km (0.078 R)
• M11: 1,371,064 km (0.097 R)
• M12: 1,442,423 km (0.099 R)
• M13: 1,567,486 km (0.097 R)
• M14: 1,729,202 km (0.118 R)
• M15: 2,011,044 km (0.064 R)
• M16: 2,283,462 km (0.072 R)
• M17: 2,368,733 km (0.11 R)
• M18: 2,630,978 km (0.107 R)
• M19: 2,889,782 km (0.119 R)
• M20: 3,089,196 km (0.103 R)
• M21: 3,671,730 km (0.118 R)
• M22: 4,303,183 km (0.05 R)
• M23: 4,363,770 km (0.091 R)
• M24: 4,810,619 km (0.082 R)
• M25: 5,047,731 km (0.075 R)
• M26: 5,272,278 km (0.035 R)
• M27: 5,533,176 km (0.069 R)
• M28: 5,681,727 km (0.079 R)
• M29: 5,748,149 km (0.032 R)
• M30: 5,814,869 km (0.083 R)
• M31: 5,898,644 km (0.084 R)
• M32: 6,203,674 km (0.085 R)
• M33: 6,513,790 km (0.1 R)
• M34: 6,600,856 km (0.093 R)
• M35: 6,758,533 km (0.111 R)
• M36: 6,899,753 km (0.107 R)
• M37: 7,095,577 km (0.048 R)
• M38: 7,456,257 km (0.103 R)
• M39: 7,565,763 km (0.049 R)
• M40: 7,675,717 km (0.107 R)
• M41: 7,841,621 km (0.037 R)
• M42: 8,083,371 km (0.046 R)
• M43: 8,327,515 km (0.092 R)
• M44: 8,784,836 km (0.116 R)
• M45: 8,997,115 km (0.074 R)
• M46: 9,113,652 km (0.108 R)
• M47: 9,191,742 km (0.097 R)
• M48: 9,624,529 km (0.108 R)
• M49: 9,943,471 km (0.108 R)
• M50: 10,306,545 km (0.069 R)
• M51: 10,818,020 km (0.089 R)
• M52: 11,170,623 km (0.084 R)
• M53: 11,484,778 km (0.09 R)
• M54: 11,569,002 km (0.043 R)
• M55: 12,207,785 km (0.076 R)
• M56: 12,901,620 km (0.118 R)
• M57: 13,253,324 km (0.027 R)
• M58: 13,341,886 km (0.08 R)
• M59: 13,430,448 km (0.096 R)
• M60: 13,563,740 km (0.045 R)
• M61: 13,697,480 km (0.057 R)
• M62: 14,441,131 km (0.097 R)
• M63: 14,875,115 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 19,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit