🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.52 AU - 0.52 AU

Year: 246 Days

Day: 28.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,261,818 km

• M1: 90,208 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 8.6

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.54 AU - 0.88 AU

Year: 392 Days

Day: 8.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,261,818 km

• M1: 107,710 km (0.028 R)
• M2: 384,915 km (0.089 R)
• M3: 654,042 km (0.107 R)
• M4: 1,395,748 km (0.081 R)
• M5: 1,784,104 km (0.096 R)
• M6: 2,158,996 km (0.055 R)
• M7: 3,047,159 km (0.053 R)
• M8: 5,045,487 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.4

Radius: 10.3

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.68 AU - 3.9 AU

Year: 4840 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,261,818 km

• M1: 130,150 km (0.081 R)
• M2: 518,805 km (0.079 R)
• M3: 1,174,942 km (0.034 R)
• M4: 1,723,367 km (0.082 R)
• M5: 2,123,991 km (0.093 R)
• M6: 2,620,955 km (0.055 R)
• M7: 3,233,857 km (0.114 R)
• M8: 4,269,224 km (0.064 R)
• M9: 4,616,889 km (0.106 R)
• M10: 5,569,978 km (0.098 R)
• M11: 7,573,093 km (0.079 R)
• M12: 7,973,118 km (0.114 R)
• M13: 8,310,910 km (0.065 R)
• M14: 8,736,665 km (0.079 R)
• M15: 10,996,341 km (0.059 R)
• M16: 12,285,875 km (0.107 R)
• M17: 14,992,399 km (0.114 R)
• M18: 15,334,979 km (0.083 R)
• M19: 16,575,444 km (0.069 R)
• M20: 20,557,141 km (0.079 R)
• M21: 28,045,861 km (0.097 R)
• M22: 29,270,918 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.7

Radius: 7.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.66 AU - 7.5 AU

Year: 9835 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,261,818 km

• M1: 92,302 km (0.099 R)
• M2: 338,989 km (0.042 R)
• M3: 815,608 km (0.099 R)
• M4: 1,645,128 km (0.119 R)
• M5: 3,172,672 km (0.106 R)
• M6: 3,593,341 km (0.101 R)
• M7: 3,951,179 km (0.116 R)
• M8: 5,847,930 km (0.084 R)
• M9: 7,011,951 km (0.067 R)
• M10: 9,036,609 km (0.034 R)
• M11: 10,346,937 km (0.049 R)
• M12: 12,569,961 km (0.061 R)
• M13: 13,564,787 km (0.113 R)
• M14: 14,911,168 km (0.095 R)
• M15: 15,276,635 km (0.052 R)
• M16: 18,003,805 km (0.11 R)
• M17: 18,348,628 km (0.087 R)
• M18: 21,731,634 km (0.063 R)
• M19: 23,734,151 km (0.113 R)
• M20: 25,508,681 km (0.048 R)
• M21: 31,659,547 km (0.061 R)
• M22: 34,226,198 km (0.061 R)
• M23: 35,939,692 km (0.042 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 14,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit