🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 12.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.81 AU - 1.13 AU

Year: 648 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,353,956 km

• M1: 155,582 km (0.088 R)
• M2: 815,009 km (0.115 R)
• M3: 1,327,083 km (0.052 R)
• M4: 1,830,180 km (0.094 R)
• M5: 2,244,866 km (0.079 R)
• M6: 2,655,213 km (0.088 R)
• M7: 3,141,256 km (0.099 R)
• M8: 3,561,626 km (0.049 R)
• M9: 3,960,304 km (0.089 R)
• M10: 4,713,979 km (0.059 R)
• M11: 5,826,837 km (0.076 R)
• M12: 6,220,878 km (0.095 R)
• M13: 6,632,870 km (0.11 R)
• M14: 7,512,057 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.83 AU - 1.29 AU

Year: 740 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,353,956 km

• M1: 164,408 km (0.058 R)
• M2: 579,243 km (0.082 R)
• M3: 1,279,810 km (0.083 R)
• M4: 1,720,226 km (0.094 R)
• M5: 2,518,630 km (0.096 R)
• M6: 3,392,431 km (0.074 R)
• M7: 4,554,956 km (0.085 R)
• M8: 5,054,164 km (0.098 R)
• M9: 5,757,723 km (0.072 R)
• M10: 7,074,932 km (0.091 R)
• M11: 7,609,146 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.9

Radius: 14.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.38 AU - 3.46 AU

Year: 3384 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,353,956 km

• M1: 178,021 km (0.114 R)
• M2: 636,090 km (0.065 R)
• M3: 1,125,425 km (0.045 R)
• M4: 1,634,357 km (0.06 R)
• M5: 2,080,757 km (0.111 R)
• M6: 3,193,765 km (0.091 R)
• M7: 3,702,697 km (0.065 R)
• M8: 4,157,474 km (0.104 R)
• M9: 4,672,989 km (0.074 R)
• M10: 5,833,868 km (0.109 R)
• M11: 7,085,554 km (0.028 R)
• M12: 8,094,292 km (0.091 R)
• M13: 8,975,723 km (0.075 R)
• M14: 10,477,536 km (0.064 R)
• M15: 13,060,044 km (0.047 R)
• M16: 14,272,983 km (0.104 R)
• M17: 19,205,973 km (0.083 R)
• M18: 19,947,978 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.3

Radius: 3.4

Gravity: 27.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.42 AU - 9.26 AU

Year: 17827 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,353,956 km

• M1: 42,486 km (0.086 R)
• M2: 318,643 km (0.118 R)
• M3: 921,822 km (0.075 R)
• M4: 1,339,649 km (0.102 R)
• M5: 1,976,337 km (0.108 R)
• M6: 3,288,909 km (0.075 R)
• M7: 5,609,471 km (0.112 R)
• M8: 5,753,385 km (0.066 R)
• M9: 6,392,915 km (0.034 R)
• M10: 6,913,067 km (0.093 R)
• M11: 7,036,934 km (0.065 R)
• M12: 7,204,484 km (0.107 R)
• M13: 7,723,140 km (0.118 R)
• M14: 7,991,518 km (0.113 R)
• M15: 11,891,236 km (0.116 R)
• M16: 12,188,935 km (0.031 R)
• M17: 14,888,878 km (0.054 R)
• M18: 15,656,614 km (0.086 R)
• M19: 19,317,274 km (0.119 R)
• M20: 26,921,932 km (0.118 R)
• M21: 27,434,754 km (0.051 R)
• M22: 30,650,210 km (0.115 R)
• M23: 36,426,932 km (0.078 R)
• M24: 43,869,276 km (0.107 R)
• M25: 44,865,299 km (0.112 R)
• M26: 53,543,322 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 15,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit