🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.8

Radius: 12.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,322,567 km

• M1: 150,495 km (0.109 R)
• M2: 595,848 km (0.067 R)
• M3: 1,063,940 km (0.109 R)
• M4: 1,452,147 km (0.109 R)
• M5: 2,464,924 km (0.083 R)
• M6: 3,075,433 km (0.093 R)
• M7: 3,587,507 km (0.107 R)
• M8: 4,004,735 km (0.097 R)
• M9: 4,551,515 km (0.077 R)
• M10: 6,129,623 km (0.119 R)
• M11: 6,771,847 km (0.117 R)
• M12: 8,142,612 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 9.5

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.98 AU - 1.22 AU

Year: 769 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,322,567 km

• M1: 118,182 km (0.116 R)
• M2: 419,173 km (0.055 R)
• M3: 838,346 km (0.056 R)
• M4: 1,191,397 km (0.109 R)
• M5: 1,517,222 km (0.096 R)
• M6: 3,228,472 km (0.064 R)
• M7: 3,828,509 km (0.082 R)
• M8: 5,305,788 km (0.108 R)
• M9: 6,516,932 km (0.094 R)
• M10: 6,973,804 km (0.107 R)
• M11: 7,830,850 km (0.075 R)
• M12: 8,147,998 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 14.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.48 AU - 1.84 AU

Year: 1426 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,322,567 km

• M1: 185,352 km (0.032 R)
• M2: 678,426 km (0.057 R)
• M3: 1,926,821 km (0.109 R)
• M4: 2,732,106 km (0.111 R)
• M5: 3,200,198 km (0.117 R)
• M6: 4,864,624 km (0.098 R)
• M7: 6,095,814 km (0.045 R)
• M8: 6,880,904 km (0.079 R)
• M9: 7,348,397 km (0.111 R)
• M10: 11,142,947 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 12.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.55 AU - 4.23 AU

Year: 4162 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 56.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,322,567 km

• M1: 150,645 km (0.038 R)
• M2: 538,104 km (0.036 R)
• M3: 1,094,608 km (0.041 R)
• M4: 1,474,736 km (0.096 R)
• M5: 1,919,490 km (0.049 R)
• M6: 2,484,970 km (0.064 R)
• M7: 2,980,139 km (0.116 R)
• M8: 5,360,690 km (0.098 R)
• M9: 5,822,648 km (0.098 R)
• M10: 6,429,866 km (0.108 R)
• M11: 9,641,433 km (0.118 R)
• M12: 10,162,632 km (0.106 R)
• M13: 11,174,363 km (0.047 R)
• M14: 12,067,761 km (0.081 R)
• M15: 13,996,826 km (0.043 R)
• M16: 14,665,977 km (0.09 R)
• M17: 18,275,325 km (0.098 R)
• M18: 19,325,502 km (0.061 R)
• M19: 21,410,746 km (0.079 R)
• M20: 23,714,254 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 13.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.19 AU - 5.79 AU

Year: 7433 Days

Day: 15 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,322,567 km

• M1: 162,912 km (0.028 R)
• M2: 619,784 km (0.11 R)
• M3: 1,451,249 km (0.107 R)
• M4: 2,005,210 km (0.084 R)
• M5: 2,525,511 km (0.082 R)
• M6: 3,337,229 km (0.091 R)
• M7: 5,807,988 km (0.037 R)
• M8: 6,690,316 km (0.065 R)
• M9: 8,285,777 km (0.107 R)
• M10: 9,927,165 km (0.03 R)
• M11: 12,328,061 km (0.077 R)
• M12: 16,280,287 km (0.117 R)
• M13: 18,030,732 km (0.089 R)
• M14: 22,401,832 km (0.118 R)
• M15: 24,120,712 km (0.091 R)
• M16: 25,102,672 km (0.045 R)
• M17: 28,013,697 km (0.111 R)
• M18: 34,498,017 km (0.102 R)
• M19: 38,930,751 km (0.071 R)
• M20: 40,157,604 km (0.068 R)
• M21: 40,780,529 km (0.116 R)
• M22: 41,663,456 km (0.112 R)
• M23: 42,173,734 km (0.072 R)
• M24: 43,337,007 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.9

Radius: 4.8

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.74 AU - 8.92 AU

Year: 14611 Days

Day: 19.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,322,567 km

• M1: 59,690 km (0.064 R)
• M2: 435,330 km (0.078 R)
• M3: 943,813 km (0.115 R)
• M4: 1,592,918 km (0.1 R)
• M5: 2,282,116 km (0.112 R)
• M6: 4,960,366 km (0.086 R)
• M7: 6,220,579 km (0.076 R)
• M8: 6,905,887 km (0.05 R)
• M9: 10,695,649 km (0.067 R)
• M10: 14,787,450 km (0.07 R)
• M11: 17,910,156 km (0.073 R)
• M12: 25,330,360 km (0.062 R)
• M13: 31,893,518 km (0.11 R)
• M14: 34,565,785 km (0.048 R)
• M15: 35,451,554 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.6

Radius: 5.8

Gravity: 21.78 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.82 AU - 8.18 AU

Year: 15089 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,322,567 km

• M1: 72,256 km (0.057 R)
• M2: 272,567 km (0.074 R)
• M3: 473,328 km (0.115 R)
• M4: 748,737 km (0.089 R)
• M5: 951,442 km (0.082 R)
• M6: 1,326,036 km (0.048 R)
• M7: 1,692,401 km (0.064 R)
• M8: 7,063,114 km (0.085 R)
• M9: 8,717,666 km (0.078 R)
• M10: 10,046,993 km (0.083 R)
• M11: 10,614,717 km (0.111 R)
• M12: 19,359,012 km (0.112 R)
• M13: 21,883,326 km (0.107 R)
• M14: 28,014,894 km (0.112 R)
• M15: 28,460,247 km (0.064 R)
• M16: 31,830,986 km (0.088 R)
• M17: 39,491,145 km (0.079 R)
• M18: 44,118,506 km (0.108 R)
• M19: 51,053,116 km (0.079 R)
• M20: 59,591,713 km (0.044 R)
• M21: 63,333,904 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606

Radius: 6.8

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.45 AU - 10.93 AU

Year: 20115 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,322,567 km

• M1: 106,663 km (0.078 R)
• M2: 504,594 km (0.12 R)
• M3: 875,148 km (0.094 R)
• M4: 1,201,720 km (0.09 R)
• M5: 1,416,841 km (0.1 R)
• M6: 1,744,461 km (0.09 R)
• M7: 2,042,310 km (0.094 R)
• M8: 3,251,659 km (0.06 R)
• M9: 3,558,784 km (0.087 R)
• M10: 4,103,320 km (0.058 R)
• M11: 5,022,150 km (0.114 R)
• M12: 5,243,854 km (0.054 R)
• M13: 6,983,378 km (0.109 R)
• M14: 7,400,906 km (0.114 R)
• M15: 8,336,940 km (0.099 R)
• M16: 9,460,719 km (0.118 R)
• M17: 11,489,266 km (0.097 R)
• M18: 12,005,678 km (0.105 R)
• M19: 12,946,349 km (0.101 R)
• M20: 13,790,979 km (0.1 R)
• M21: 14,226,907 km (0.098 R)
• M22: 17,623,826 km (0.047 R)
• M23: 20,759,697 km (0.072 R)
• M24: 21,525,338 km (0.061 R)
• M25: 24,353,785 km (0.105 R)
• M26: 26,854,912 km (0.118 R)
• M27: 27,306,698 km (0.05 R)
• M28: 29,522,392 km (0.082 R)
• M29: 31,229,752 km (0.113 R)
• M30: 32,234,302 km (0.112 R)
• M31: 37,022,780 km (0.076 R)
• M32: 38,718,622 km (0.069 R)
• M33: 40,761,829 km (0.049 R)
• M34: 46,343,775 km (0.096 R)
• M35: 56,189,259 km (0.055 R)
• M36: 57,861,165 km (0.11 R)
• M37: 66,720,351 km (0.03 R)
• M38: 69,015,631 km (0.07 R)
• M39: 69,650,525 km (0.119 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: 375 - 12,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit