🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 13.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.48 AU - 0.72 AU

Year: 310 Days

Day: 7.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,083,499 km

• M1: 166,652 km (0.112 R)
• M2: 594,951 km (0.045 R)
• M3: 1,050,327 km (0.052 R)
• M4: 1,510,041 km (0.109 R)
• M5: 1,982,321 km (0.037 R)
• M6: 2,489,608 km (0.062 R)
• M7: 3,420,256 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 8.1

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.22 AU - 1.42 AU

Year: 1011 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,083,499 km

• M1: 100,679 km (0.099 R)
• M2: 415,284 km (0.09 R)
• M3: 720,763 km (0.084 R)
• M4: 1,018,612 km (0.081 R)
• M5: 1,313,320 km (0.059 R)
• M6: 1,673,551 km (0.041 R)
• M7: 2,218,387 km (0.119 R)
• M8: 2,549,447 km (0.102 R)
• M9: 2,816,180 km (0.053 R)
• M10: 4,264,736 km (0.073 R)
• M11: 5,187,007 km (0.025 R)
• M12: 5,991,844 km (0.086 R)
• M13: 6,340,257 km (0.117 R)
• M14: 6,615,816 km (0.071 R)
• M15: 7,055,335 km (0.044 R)
• M16: 8,314,949 km (0.096 R)
• M17: 8,748,932 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 13.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.33 AU - 1.47 AU

Year: 1105 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,083,499 km

• M1: 162,912 km (0.071 R)
• M2: 594,801 km (0.106 R)
• M3: 1,273,676 km (0.115 R)
• M4: 1,697,786 km (0.05 R)
• M5: 2,129,675 km (0.083 R)
• M6: 2,994,351 km (0.08 R)
• M7: 4,012,813 km (0.088 R)
• M8: 4,454,576 km (0.095 R)
• M9: 5,671,554 km (0.092 R)
• M10: 6,092,822 km (0.111 R)
• M11: 6,630,776 km (0.109 R)
• M12: 7,856,581 km (0.08 R)
• M13: 10,130,917 km (0.094 R)
• M14: 11,436,757 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 14.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.17 AU - 2.29 AU

Year: 2221 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,083,499 km

• M1: 189,840 km (0.106 R)
• M2: 707,748 km (0.117 R)
• M3: 1,200,822 km (0.102 R)
• M4: 2,099,606 km (0.1 R)
• M5: 3,024,570 km (0.115 R)
• M6: 4,026,576 km (0.089 R)
• M7: 4,870,308 km (0.105 R)
• M8: 5,455,535 km (0.058 R)
• M9: 6,435,252 km (0.119 R)
• M10: 6,938,798 km (0.056 R)
• M11: 7,930,782 km (0.098 R)
• M12: 8,411,888 km (0.087 R)
• M13: 10,882,796 km (0.105 R)
• M14: 12,391,042 km (0.109 R)
• M15: 12,908,950 km (0.047 R)
• M16: 15,420,997 km (0.115 R)
• M17: 18,689,112 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 9.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.66 AU - 3.16 AU

Year: 3310 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,083,499 km

• M1: 113,395 km (0.087 R)
• M2: 482,752 km (0.03 R)
• M3: 940,821 km (0.08 R)
• M4: 2,352,576 km (0.083 R)
• M5: 3,022,775 km (0.082 R)
• M6: 5,066,730 km (0.093 R)
• M7: 5,409,758 km (0.065 R)
• M8: 6,755,241 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 11.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.57 AU - 5.41 AU

Year: 7433 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,083,499 km

• M1: 147,952 km (0.099 R)
• M2: 664,963 km (0.098 R)
• M3: 1,123,031 km (0.079 R)
• M4: 1,643,183 km (0.096 R)
• M5: 2,139,549 km (0.059 R)
• M6: 3,779,141 km (0.087 R)
• M7: 4,965,153 km (0.046 R)
• M8: 5,374,004 km (0.072 R)
• M9: 5,775,824 km (0.1 R)
• M10: 6,705,126 km (0.037 R)
• M11: 7,205,980 km (0.1 R)
• M12: 8,434,029 km (0.064 R)
• M13: 9,178,577 km (0.063 R)
• M14: 10,979,736 km (0.101 R)
• M15: 12,109,200 km (0.083 R)
• M16: 12,502,343 km (0.103 R)
• M17: 13,005,889 km (0.082 R)
• M18: 16,198,158 km (0.083 R)
• M19: 17,286,632 km (0.081 R)
• M20: 18,878,503 km (0.077 R)
• M21: 26,148,361 km (0.115 R)
• M22: 29,285,578 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.1

Radius: 4.3

Gravity: 37.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.68 AU - 8.72 AU

Year: 12883 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,083,499 km

• M1: 53,556 km (0.118 R)
• M2: 431,291 km (0.098 R)
• M3: 736,321 km (0.108 R)
• M4: 942,018 km (0.112 R)
• M5: 1,088,025 km (0.115 R)
• M6: 2,328,192 km (0.067 R)
• M7: 3,273,501 km (0.067 R)
• M8: 4,864,624 km (0.097 R)
• M9: 5,304,890 km (0.075 R)
• M10: 5,516,870 km (0.096 R)
• M11: 6,581,259 km (0.081 R)
• M12: 7,333,886 km (0.117 R)
• M13: 8,615,940 km (0.079 R)
• M14: 8,761,498 km (0.093 R)
• M15: 10,147,672 km (0.104 R)
• M16: 11,148,931 km (0.092 R)
• M17: 11,438,403 km (0.103 R)
• M18: 14,272,983 km (0.065 R)
• M19: 16,180,655 km (0.113 R)
• M20: 17,465,103 km (0.03 R)
• M21: 20,149,936 km (0.109 R)
• M22: 30,838,105 km (0.078 R)
• M23: 31,293,631 km (0.043 R)
• M24: 39,739,029 km (0.117 R)
• M25: 44,335,124 km (0.074 R)
• M26: 47,135,746 km (0.108 R)
• M27: 55,903,079 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.2

Radius: 4.6

Gravity: 40.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.31 AU - 11.07 AU

Year: 18578 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,083,499 km

• M1: 58,194 km (0.103 R)
• M2: 503,696 km (0.103 R)
• M3: 820,245 km (0.113 R)
• M4: 1,093,560 km (0.089 R)
• M5: 1,840,503 km (0.095 R)
• M6: 2,957,999 km (0.075 R)
• M7: 3,338,127 km (0.064 R)
• M8: 4,499,904 km (0.092 R)
• M9: 4,782,644 km (0.058 R)
• M10: 5,661,831 km (0.082 R)
• M11: 5,825,042 km (0.106 R)
• M12: 6,033,581 km (0.074 R)
• M13: 7,057,280 km (0.107 R)
• M14: 7,390,584 km (0.047 R)
• M15: 7,734,210 km (0.064 R)
• M16: 9,160,326 km (0.098 R)
• M17: 13,294,464 km (0.087 R)
• M18: 13,510,632 km (0.051 R)
• M19: 13,876,250 km (0.118 R)
• M20: 17,382,674 km (0.119 R)
• M21: 20,179,855 km (0.066 R)
• M22: 24,106,799 km (0.034 R)
• M23: 25,855,150 km (0.08 R)
• M24: 28,275,793 km (0.054 R)
• M25: 28,873,586 km (0.12 R)
• M26: 32,508,216 km (0.105 R)
• M27: 35,185,120 km (0.094 R)
• M28: 38,586,976 km (0.085 R)
• M29: 45,707,385 km (0.105 R)
• M30: 49,058,677 km (0.037 R)
• M31: 50,618,684 km (0.104 R)
• M32: 51,676,939 km (0.077 R)
• M33: 57,380,358 km (0.101 R)
• M34: 76,978,128 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.1

Radius: 3.8

Gravity: 32.28 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 9.1 AU - 12.56 AU

Year: 23767 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,083,499 km

• M1: 96,640 km (0.091 R)
• M2: 442,511 km (0.075 R)
• M3: 612,304 km (0.109 R)
• M4: 1,747,902 km (0.093 R)
• M5: 1,993,242 km (0.078 R)
• M6: 2,646,985 km (0.068 R)
• M7: 6,223,720 km (0.079 R)
• M8: 6,839,465 km (0.059 R)
• M9: 9,483,159 km (0.073 R)
• M10: 11,797,288 km (0.079 R)
• M11: 12,127,301 km (0.03 R)
• M12: 13,084,129 km (0.081 R)
• M13: 15,379,858 km (0.107 R)
• M14: 16,912,039 km (0.097 R)
• M15: 18,720,678 km (0.085 R)
• M16: 19,169,471 km (0.08 R)
• M17: 21,521,898 km (0.081 R)
• M18: 22,919,890 km (0.089 R)
• M19: 25,345,918 km (0.08 R)
• M20: 25,895,092 km (0.102 R)
• M21: 33,247,080 km (0.094 R)
• M22: 36,623,204 km (0.083 R)
• M23: 37,607,858 km (0.105 R)
• M24: 42,181,214 km (0.106 R)
• M25: 44,204,675 km (0.078 R)
• M26: 46,782,545 km (0.097 R)
• M27: 58,667,797 km (0.109 R)
• M28: 69,809,547 km (0.084 R)
• M29: 72,414,495 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 16,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit