🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.49 AU - 0.57 AU

Year: 249 Days

Day: 41.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 11.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.69 AU - 1.01 AU

Year: 506 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,334,094 km

• M1: 144,212 km (0.1 R)
• M2: 515,813 km (0.06 R)
• M3: 1,037,910 km (0.05 R)
• M4: 1,561,054 km (0.058 R)
• M5: 1,959,283 km (0.092 R)
• M6: 2,481,230 km (0.044 R)
• M7: 2,882,901 km (0.119 R)
• M8: 3,385,699 km (0.09 R)
• M9: 3,819,533 km (0.066 R)
• M10: 4,829,318 km (0.101 R)
• M11: 5,381,185 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 12.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.94 AU - 2.3 AU

Year: 1993 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,334,094 km

• M1: 158,574 km (0.074 R)
• M2: 640,129 km (0.106 R)
• M3: 1,214,735 km (0.104 R)
• M4: 1,622,539 km (0.09 R)
• M5: 2,641,749 km (0.103 R)
• M6: 3,271,705 km (0.061 R)
• M7: 3,699,406 km (0.065 R)
• M8: 4,114,689 km (0.112 R)
• M9: 5,311,772 km (0.076 R)
• M10: 6,751,950 km (0.114 R)
• M11: 7,204,185 km (0.105 R)
• M12: 8,012,013 km (0.076 R)
• M13: 8,574,202 km (0.087 R)
• M14: 9,569,776 km (0.112 R)
• M15: 10,358,157 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.1

Radius: 3

Gravity: 44.46 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.13 AU - 7.93 AU

Year: 12035 Days

Day: 21.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 156.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,334,094 km

• M1: 37,250 km (0.115 R)
• M2: 159,023 km (0.092 R)
• M3: 500,106 km (0.077 R)
• M4: 1,212,042 km (0.087 R)
• M5: 1,535,622 km (0.094 R)
• M6: 1,770,940 km (0.086 R)
• M7: 1,946,268 km (0.11 R)
• M8: 2,369,181 km (0.058 R)
• M9: 2,828,896 km (0.111 R)
• M10: 2,936,307 km (0.078 R)
• M11: 3,369,393 km (0.083 R)
• M12: 4,028,970 km (0.091 R)
• M13: 4,922,518 km (0.106 R)
• M14: 5,464,960 km (0.099 R)
• M15: 6,260,521 km (0.101 R)
• M16: 8,967,046 km (0.064 R)
• M17: 9,530,880 km (0.115 R)
• M18: 11,149,230 km (0.088 R)
• M19: 11,256,043 km (0.088 R)
• M20: 12,419,615 km (0.116 R)
• M21: 12,941,861 km (0.064 R)
• M22: 16,455,915 km (0.117 R)
• M23: 20,556,094 km (0.065 R)
• M24: 21,040,791 km (0.069 R)
• M25: 22,032,924 km (0.109 R)
• M26: 23,403,689 km (0.103 R)
• M27: 24,378,319 km (0.072 R)
• M28: 28,748,223 km (0.055 R)
• M29: 30,071,566 km (0.099 R)
• M30: 32,838,977 km (0.076 R)
• M31: 33,835,149 km (0.084 R)
• M32: 35,539,966 km (0.046 R)
• M33: 37,660,067 km (0.087 R)
• M34: 40,996,100 km (0.072 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: 493 - 11,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit