🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 13.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.71 AU - 0.93 AU

Year: 513 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,826,793 km

• M1: 171,589 km (0.116 R)
• M2: 799,900 km (0.105 R)
• M3: 1,252,433 km (0.071 R)
• M4: 1,708,557 km (0.115 R)
• M5: 2,167,075 km (0.09 R)
• M6: 2,708,619 km (0.089 R)
• M7: 3,478,001 km (0.083 R)
• M8: 4,026,576 km (0.065 R)
• M9: 4,555,554 km (0.114 R)
• M10: 5,130,758 km (0.093 R)
• M11: 5,772,383 km (0.105 R)
• M12: 6,254,837 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 14.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.85 AU - 1.15 AU

Year: 690 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,826,793 km

• M1: 175,478 km (0.11 R)
• M2: 684,261 km (0.116 R)
• M3: 1,123,779 km (0.065 R)
• M4: 1,708,408 km (0.086 R)
• M5: 2,671,668 km (0.11 R)
• M6: 5,605,731 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 13.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.07 AU - 1.37 AU

Year: 930 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,826,793 km

• M1: 167,849 km (0.09 R)
• M2: 771,327 km (0.08 R)
• M3: 1,250,788 km (0.117 R)
• M4: 2,063,703 km (0.07 R)
• M5: 2,703,832 km (0.101 R)
• M6: 3,219,346 km (0.032 R)
• M7: 3,727,680 km (0.043 R)
• M8: 5,452,094 km (0.099 R)
• M9: 5,936,343 km (0.12 R)
• M10: 6,792,940 km (0.092 R)
• M11: 7,401,055 km (0.058 R)
• M12: 7,898,917 km (0.078 R)
• M13: 8,368,505 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 11

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.15 AU - 4.63 AU

Year: 5296 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,826,793 km

• M1: 137,331 km (0.119 R)
• M2: 585,825 km (0.075 R)
• M3: 941,419 km (0.065 R)
• M4: 1,339,350 km (0.106 R)
• M5: 3,621,316 km (0.119 R)
• M6: 3,974,666 km (0.107 R)
• M7: 6,288,197 km (0.069 R)
• M8: 14,061,751 km (0.104 R)
• M9: 15,624,151 km (0.094 R)
• M10: 17,175,780 km (0.044 R)
• M11: 18,893,313 km (0.097 R)
• M12: 19,356,768 km (0.117 R)
• M13: 20,932,931 km (0.118 R)
• M14: 22,890,269 km (0.115 R)
• M15: 23,875,072 km (0.109 R)
• M16: 24,573,245 km (0.028 R)
• M17: 25,364,917 km (0.108 R)
• M18: 26,666,718 km (0.09 R)
• M19: 27,841,959 km (0.101 R)
• M20: 28,269,809 km (0.075 R)
• M21: 28,963,793 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 13.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.59 AU - 4.43 AU

Year: 5543 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,826,793 km

• M1: 166,802 km (0.109 R)
• M2: 801,994 km (0.086 R)
• M3: 1,318,406 km (0.118 R)
• M4: 2,585,650 km (0.095 R)
• M5: 3,131,831 km (0.111 R)
• M6: 4,689,145 km (0.098 R)
• M7: 5,559,805 km (0.06 R)
• M8: 8,192,578 km (0.057 R)
• M9: 10,970,012 km (0.042 R)
• M10: 11,873,583 km (0.108 R)
• M11: 12,594,645 km (0.066 R)
• M12: 16,926,251 km (0.07 R)
• M13: 18,666,673 km (0.102 R)
• M14: 22,568,784 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.8

Radius: 7.9

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.01 AU - 7.35 AU

Year: 11917 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,826,793 km

• M1: 99,782 km (0.088 R)
• M2: 536,009 km (0.051 R)
• M3: 817,552 km (0.089 R)
• M4: 1,994,439 km (0.055 R)
• M5: 2,249,354 km (0.094 R)
• M6: 3,548,611 km (0.094 R)
• M7: 4,921,022 km (0.078 R)
• M8: 8,909,002 km (0.08 R)
• M9: 9,353,457 km (0.088 R)
• M10: 10,021,711 km (0.072 R)
• M11: 11,224,478 km (0.034 R)
• M12: 14,045,295 km (0.092 R)
• M13: 18,629,872 km (0.096 R)
• M14: 21,127,109 km (0.057 R)
• M15: 22,365,630 km (0.097 R)
• M16: 22,819,360 km (0.044 R)
• M17: 28,968,281 km (0.026 R)
• M18: 30,606,228 km (0.106 R)
• M19: 36,261,626 km (0.041 R)
• M20: 47,467,105 km (0.073 R)
• M21: 49,126,295 km (0.106 R)
• M22: 50,668,051 km (0.059 R)
• M23: 53,040,523 km (0.092 R)
• M24: 54,335,742 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 19,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit