🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 8.9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.7 AU - 0.96 AU

Year: 513 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,782,253 km

• M1: 110,702 km (0.118 R)
• M2: 476,469 km (0.1 R)
• M3: 953,686 km (0.119 R)
• M4: 1,415,046 km (0.086 R)
• M5: 1,841,999 km (0.081 R)
• M6: 2,219,284 km (0.041 R)
• M7: 2,564,108 km (0.06 R)
• M8: 2,887,837 km (0.071 R)
• M9: 3,214,709 km (0.105 R)
• M10: 3,540,383 km (0.037 R)
• M11: 3,819,383 km (0.104 R)
• M12: 4,141,916 km (0.067 R)
• M13: 4,955,130 km (0.107 R)
• M14: 5,425,765 km (0.034 R)
• M15: 5,926,020 km (0.036 R)
• M16: 6,225,515 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 10.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.89 AU - 1.05 AU

Year: 648 Days

Day: 14.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,782,253 km

• M1: 130,599 km (0.079 R)
• M2: 497,114 km (0.087 R)
• M3: 853,456 km (0.106 R)
• M4: 1,222,215 km (0.106 R)
• M5: 1,773,932 km (0.073 R)
• M6: 2,232,150 km (0.052 R)
• M7: 2,610,782 km (0.118 R)
• M8: 3,175,813 km (0.052 R)
• M9: 4,149,845 km (0.075 R)
• M10: 4,484,645 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 13.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.83 AU - 1.21 AU

Year: 699 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,782,253 km

• M1: 169,195 km (0.119 R)
• M2: 607,517 km (0.053 R)
• M3: 1,518,718 km (0.044 R)
• M4: 2,882,751 km (0.088 R)
• M5: 3,339,922 km (0.079 R)
• M6: 3,939,361 km (0.11 R)
• M7: 4,520,249 km (0.059 R)
• M8: 4,997,018 km (0.091 R)
• M9: 6,016,378 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 11.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.06 AU - 1.44 AU

Year: 948 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,782,253 km

• M1: 150,047 km (0.071 R)
• M2: 731,982 km (0.118 R)
• M3: 1,194,838 km (0.096 R)
• M4: 1,990,250 km (0.046 R)
• M5: 3,188,828 km (0.078 R)
• M6: 4,682,264 km (0.098 R)
• M7: 5,661,232 km (0.107 R)
• M8: 6,117,655 km (0.072 R)
• M9: 6,641,697 km (0.104 R)
• M10: 7,876,328 km (0.082 R)
• M11: 8,345,317 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 8.4

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.12 AU - 4.12 AU

Year: 4671 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,782,253 km

• M1: 104,569 km (0.061 R)
• M2: 368,609 km (0.098 R)
• M3: 684,560 km (0.074 R)
• M4: 1,201,720 km (0.068 R)
• M5: 1,538,465 km (0.101 R)
• M6: 2,132,817 km (0.115 R)
• M7: 3,382,408 km (0.087 R)
• M8: 3,861,271 km (0.095 R)
• M9: 4,503,046 km (0.07 R)
• M10: 5,040,102 km (0.073 R)
• M11: 5,901,337 km (0.083 R)
• M12: 6,392,317 km (0.118 R)
• M13: 6,963,631 km (0.098 R)
• M14: 9,396,691 km (0.077 R)
• M15: 10,204,370 km (0.085 R)
• M16: 11,652,029 km (0.084 R)
• M17: 12,904,911 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 14.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.9 AU - 5.3 AU

Year: 6692 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,782,253 km

• M1: 179,069 km (0.097 R)
• M2: 705,504 km (0.032 R)
• M3: 1,399,787 km (0.05 R)
• M4: 2,083,749 km (0.025 R)
• M5: 2,886,192 km (0.068 R)
• M6: 3,697,910 km (0.107 R)
• M7: 4,183,654 km (0.036 R)
• M8: 5,969,553 km (0.091 R)
• M9: 6,818,222 km (0.112 R)
• M10: 7,402,701 km (0.113 R)
• M11: 8,220,403 km (0.07 R)
• M12: 9,761,859 km (0.115 R)
• M13: 10,363,542 km (0.092 R)
• M14: 11,237,343 km (0.059 R)
• M15: 12,054,896 km (0.086 R)
• M16: 12,966,695 km (0.088 R)
• M17: 14,568,140 km (0.097 R)
• M18: 15,049,097 km (0.112 R)
• M19: 17,212,731 km (0.109 R)
• M20: 17,682,768 km (0.108 R)
• M21: 18,230,445 km (0.114 R)
• M22: 19,359,760 km (0.097 R)
• M23: 20,385,851 km (0.072 R)
• M24: 21,447,847 km (0.037 R)
• M25: 23,109,430 km (0.113 R)
• M26: 25,543,388 km (0.095 R)
• M27: 26,332,367 km (0.12 R)
• M28: 32,828,056 km (0.097 R)
• M29: 33,970,535 km (0.105 R)
• M30: 34,817,857 km (0.045 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 16,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit