🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.51 AU - 0.71 AU

Year: 308 Days

Day: 19.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 10.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.34 AU - 2 AU

Year: 1393 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,912,325 km

• M1: 130,599 km (0.088 R)
• M2: 521,498 km (0.108 R)
• M3: 1,048,531 km (0.091 R)
• M4: 1,458,430 km (0.063 R)
• M5: 2,306,500 km (0.087 R)
• M6: 2,806,905 km (0.036 R)
• M7: 3,501,937 km (0.097 R)
• M8: 4,060,984 km (0.098 R)
• M9: 4,509,179 km (0.108 R)
• M10: 5,942,775 km (0.033 R)
• M11: 6,379,751 km (0.117 R)
• M12: 7,062,665 km (0.081 R)
• M13: 7,686,189 km (0.098 R)
• M14: 8,149,793 km (0.109 R)
• M15: 8,631,947 km (0.073 R)
• M16: 10,000,618 km (0.094 R)
• M17: 11,264,869 km (0.061 R)
• M18: 11,614,629 km (0.119 R)
• M19: 12,483,793 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.1

Radius: 8.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.32 AU - 2.12 AU

Year: 1456 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,912,325 km

• M1: 100,679 km (0.099 R)
• M2: 488,437 km (0.086 R)
• M3: 816,356 km (0.112 R)
• M4: 1,245,701 km (0.096 R)
• M5: 1,641,089 km (0.094 R)
• M6: 2,239,779 km (0.071 R)
• M7: 2,814,834 km (0.049 R)
• M8: 3,289,657 km (0.113 R)
• M9: 3,546,367 km (0.078 R)
• M10: 4,256,658 km (0.084 R)
• M11: 4,599,387 km (0.109 R)
• M12: 5,653,603 km (0.117 R)
• M13: 6,812,388 km (0.031 R)
• M14: 10,087,833 km (0.08 R)
• M15: 10,470,654 km (0.114 R)
• M16: 11,231,509 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 10.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.69 AU - 2.33 AU

Year: 1840 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,912,325 km

• M1: 128,056 km (0.1 R)
• M2: 479,162 km (0.034 R)
• M3: 802,443 km (0.111 R)
• M4: 1,202,767 km (0.072 R)
• M5: 1,858,903 km (0.114 R)
• M6: 2,725,224 km (0.115 R)
• M7: 3,097,873 km (0.061 R)
• M8: 4,126,208 km (0.096 R)
• M9: 5,259,861 km (0.105 R)
• M10: 5,657,791 km (0.052 R)
• M11: 6,243,916 km (0.071 R)
• M12: 6,896,013 km (0.09 R)
• M13: 7,929,884 km (0.052 R)
• M14: 8,424,604 km (0.099 R)
• M15: 9,001,902 km (0.111 R)
• M16: 10,167,868 km (0.118 R)
• M17: 10,682,335 km (0.114 R)
• M18: 11,358,817 km (0.082 R)
• M19: 11,726,229 km (0.027 R)
• M20: 12,177,416 km (0.026 R)
• M21: 13,437,928 km (0.032 R)
• M22: 13,807,584 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 11.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.92 AU - 3.38 AU

Year: 3610 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,912,325 km

• M1: 146,756 km (0.044 R)
• M2: 567,425 km (0.047 R)
• M3: 1,745,658 km (0.09 R)
• M4: 2,741,680 km (0.078 R)
• M5: 3,142,602 km (0.073 R)
• M6: 3,672,179 km (0.112 R)
• M7: 4,737,316 km (0.079 R)
• M8: 5,749,046 km (0.089 R)
• M9: 7,950,080 km (0.049 R)
• M10: 8,707,793 km (0.089 R)
• M11: 9,171,696 km (0.101 R)
• M12: 9,617,049 km (0.087 R)
• M13: 10,551,437 km (0.096 R)
• M14: 11,506,021 km (0.089 R)
• M15: 11,984,285 km (0.092 R)
• M16: 13,630,909 km (0.119 R)
• M17: 15,761,183 km (0.111 R)
• M18: 16,854,743 km (0.054 R)
• M19: 17,576,703 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 9.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.36 AU - 3.44 AU

Year: 4048 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,912,325 km

• M1: 115,639 km (0.058 R)
• M2: 1,385,725 km (0.116 R)
• M3: 2,222,426 km (0.106 R)
• M4: 4,131,594 km (0.117 R)
• M5: 8,403,660 km (0.099 R)
• M6: 9,358,992 km (0.109 R)
• M7: 13,647,365 km (0.105 R)
• M8: 15,058,821 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 12.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.53 AU - 4.89 AU

Year: 6600 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,912,325 km

• M1: 154,235 km (0.108 R)
• M2: 631,752 km (0.1 R)
• M3: 1,069,924 km (0.04 R)
• M4: 1,571,825 km (0.088 R)
• M5: 2,670,771 km (0.096 R)
• M6: 3,065,410 km (0.107 R)
• M7: 3,590,947 km (0.108 R)
• M8: 4,683,760 km (0.113 R)
• M9: 5,986,907 km (0.081 R)
• M10: 7,067,153 km (0.102 R)
• M11: 8,029,516 km (0.109 R)
• M12: 12,769,525 km (0.083 R)
• M13: 14,673,307 km (0.082 R)
• M14: 16,172,128 km (0.073 R)
• M15: 16,759,599 km (0.066 R)
• M16: 19,326,100 km (0.114 R)
• M17: 21,201,908 km (0.068 R)
• M18: 22,464,514 km (0.081 R)
• M19: 26,105,576 km (0.043 R)
• M20: 28,394,125 km (0.075 R)
• M21: 29,345,866 km (0.09 R)
• M22: 30,122,578 km (0.12 R)
• M23: 33,367,057 km (0.098 R)
• M24: 34,213,183 km (0.097 R)
• M25: 35,728,310 km (0.066 R)
• M26: 37,514,209 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 11.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.55 AU - 5.43 AU

Year: 7197 Days

Day: 13.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,912,325 km

• M1: 146,756 km (0.096 R)
• M2: 546,930 km (0.094 R)
• M3: 1,288,786 km (0.099 R)
• M4: 1,716,336 km (0.094 R)
• M5: 2,591,783 km (0.113 R)
• M6: 2,982,084 km (0.071 R)
• M7: 3,812,951 km (0.078 R)
• M8: 4,422,861 km (0.097 R)
• M9: 4,901,425 km (0.087 R)
• M10: 8,538,598 km (0.106 R)
• M11: 9,198,623 km (0.115 R)
• M12: 13,840,945 km (0.105 R)
• M13: 14,291,833 km (0.114 R)
• M14: 18,733,543 km (0.065 R)
• M15: 20,933,380 km (0.052 R)
• M16: 26,010,432 km (0.106 R)
• M17: 26,438,581 km (0.098 R)
• M18: 28,832,746 km (0.068 R)
• M19: 33,844,723 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.1

Radius: 4.2

Gravity: 42.13 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.95 AU - 8.11 AU

Year: 12035 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,912,325 km

• M1: 52,210 km (0.046 R)
• M2: 195,375 km (0.043 R)
• M3: 345,571 km (0.111 R)
• M4: 2,521,921 km (0.085 R)
• M5: 3,131,233 km (0.089 R)
• M6: 9,467,152 km (0.097 R)
• M7: 9,672,998 km (0.04 R)
• M8: 11,141,002 km (0.059 R)
• M9: 15,341,411 km (0.071 R)
• M10: 18,822,554 km (0.101 R)
• M11: 19,978,197 km (0.114 R)
• M12: 26,675,694 km (0.092 R)
• M13: 32,580,621 km (0.113 R)
• M14: 34,363,229 km (0.105 R)
• M15: 36,335,079 km (0.101 R)
• M16: 39,831,480 km (0.109 R)
• M17: 41,045,018 km (0.072 R)
• M18: 43,262,807 km (0.115 R)
• M19: 49,308,057 km (0.057 R)
• M20: 50,549,719 km (0.095 R)
• M21: 50,863,426 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.3

Radius: 7.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.09 AU - 10.97 AU

Year: 17521 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,912,325 km

• M1: 119,080 km (0.082 R)
• M2: 367,263 km (0.078 R)
• M3: 896,241 km (0.086 R)
• M4: 1,587,981 km (0.041 R)
• M5: 3,048,505 km (0.077 R)
• M6: 4,576,797 km (0.078 R)
• M7: 4,934,785 km (0.099 R)
• M8: 5,311,472 km (0.117 R)
• M9: 5,597,354 km (0.106 R)
• M10: 6,517,231 km (0.08 R)
• M11: 7,804,222 km (0.08 R)
• M12: 8,316,146 km (0.106 R)
• M13: 8,899,727 km (0.094 R)
• M14: 17,468,843 km (0.079 R)
• M15: 23,069,039 km (0.096 R)
• M16: 24,316,835 km (0.05 R)
• M17: 24,808,413 km (0.116 R)
• M18: 29,536,155 km (0.112 R)
• M19: 30,208,597 km (0.071 R)
• M20: 32,405,741 km (0.056 R)
• M21: 35,961,084 km (0.047 R)
• M22: 40,040,319 km (0.06 R)
• M23: 40,313,634 km (0.049 R)
• M24: 46,948,449 km (0.067 R)
• M25: 50,364,218 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 15,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit