🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 14.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 0.99 AU

Year: 531 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,424,067 km

• M1: 183,557 km (0.096 R)
• M2: 1,080,097 km (0.067 R)
• M3: 1,541,157 km (0.106 R)
• M4: 2,103,944 km (0.12 R)
• M5: 3,131,532 km (0.076 R)
• M6: 4,759,905 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 13.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.82 AU - 0.98 AU

Year: 589 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,424,067 km

• M1: 171,589 km (0.096 R)
• M2: 664,963 km (0.055 R)
• M3: 1,191,846 km (0.103 R)
• M4: 1,757,775 km (0.084 R)
• M5: 2,413,014 km (0.082 R)
• M6: 2,881,405 km (0.062 R)
• M7: 3,386,148 km (0.093 R)
• M8: 4,146,703 km (0.077 R)
• M9: 4,857,293 km (0.042 R)
• M10: 5,335,408 km (0.03 R)
• M11: 6,445,125 km (0.063 R)

Asteroid Belt

Center: 1.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.6

Radius: 14.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.42 AU - 1.48 AU

Year: 1205 Days

Day: 5.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,424,067 km

• M1: 184,155 km (0.112 R)
• M2: 648,058 km (0.103 R)
• M3: 1,324,240 km (0.055 R)
• M4: 2,569,643 km (0.065 R)
• M5: 3,062,119 km (0.086 R)
• M6: 3,682,352 km (0.048 R)
• M7: 4,741,654 km (0.083 R)
• M8: 5,684,719 km (0.058 R)
• M9: 7,278,236 km (0.098 R)
• M10: 9,520,558 km (0.093 R)
• M11: 10,187,166 km (0.097 R)
• M12: 11,972,916 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 9.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.94 AU - 2.06 AU

Year: 1952 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,424,067 km

• M1: 121,922 km (0.063 R)
• M2: 564,732 km (0.085 R)
• M3: 885,769 km (0.048 R)
• M4: 1,280,707 km (0.116 R)
• M5: 1,917,246 km (0.058 R)
• M6: 2,648,780 km (0.086 R)
• M7: 3,311,947 km (0.117 R)
• M8: 3,850,500 km (0.104 R)
• M9: 4,201,157 km (0.102 R)
• M10: 4,572,908 km (0.064 R)
• M11: 5,772,683 km (0.111 R)
• M12: 6,155,055 km (0.112 R)
• M13: 6,857,716 km (0.09 R)
• M14: 7,345,555 km (0.107 R)
• M15: 7,948,883 km (0.109 R)
• M16: 8,948,945 km (0.08 R)
• M17: 11,236,745 km (0.077 R)
• M18: 11,713,064 km (0.107 R)
• M19: 12,202,848 km (0.113 R)
• M20: 13,006,039 km (0.068 R)
• M21: 13,398,733 km (0.051 R)
• M22: 14,116,205 km (0.08 R)
• M23: 14,577,565 km (0.103 R)
• M24: 16,121,564 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 12.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.85 AU - 2.23 AU

Year: 2011 Days

Day: 15 Hours

Environment

Temp: -198 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,424,067 km

• M1: 150,495 km (0.067 R)
• M2: 552,016 km (0.074 R)
• M3: 941,120 km (0.109 R)
• M4: 1,761,665 km (0.102 R)
• M5: 2,366,190 km (0.115 R)
• M6: 2,833,683 km (0.112 R)
• M7: 3,429,232 km (0.075 R)
• M8: 4,183,205 km (0.045 R)
• M9: 5,044,739 km (0.115 R)
• M10: 5,494,879 km (0.106 R)
• M11: 5,922,879 km (0.085 R)
• M12: 7,258,189 km (0.102 R)
• M13: 8,041,933 km (0.092 R)
• M14: 8,658,126 km (0.114 R)
• M15: 9,140,879 km (0.048 R)
• M16: 9,881,239 km (0.088 R)
• M17: 11,141,152 km (0.045 R)
• M18: 13,631,807 km (0.061 R)
• M19: 14,065,641 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.8

Radius: 9.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.35 AU - 2.83 AU

Year: 2877 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,424,067 km

• M1: 121,025 km (0.09 R)
• M2: 432,039 km (0.1 R)
• M3: 1,076,656 km (0.059 R)
• M4: 1,806,095 km (0.119 R)
• M5: 2,319,665 km (0.058 R)
• M6: 2,684,683 km (0.046 R)
• M7: 3,170,128 km (0.052 R)
• M8: 3,825,367 km (0.085 R)
• M9: 4,276,554 km (0.058 R)
• M10: 4,918,030 km (0.082 R)
• M11: 5,549,183 km (0.055 R)
• M12: 6,473,549 km (0.085 R)
• M13: 7,617,374 km (0.112 R)
• M14: 8,790,820 km (0.116 R)
• M15: 9,438,279 km (0.074 R)
• M16: 10,301,160 km (0.108 R)
• M17: 11,412,822 km (0.109 R)
• M18: 12,059,533 km (0.088 R)
• M19: 13,738,171 km (0.079 R)
• M20: 16,821,682 km (0.115 R)
• M21: 18,250,940 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 10.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.71 AU - 3.11 AU

Year: 3426 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,424,067 km

• M1: 135,685 km (0.081 R)
• M2: 646,113 km (0.107 R)
• M3: 999,463 km (0.075 R)
• M4: 1,416,542 km (0.069 R)
• M5: 2,392,070 km (0.111 R)
• M6: 2,916,859 km (0.104 R)
• M7: 3,928,141 km (0.03 R)
• M8: 4,661,769 km (0.106 R)
• M9: 5,013,324 km (0.092 R)
• M10: 6,630,776 km (0.088 R)
• M11: 7,479,594 km (0.112 R)
• M12: 8,502,245 km (0.117 R)
• M13: 8,993,674 km (0.117 R)
• M14: 9,541,053 km (0.115 R)
• M15: 10,622,346 km (0.108 R)
• M16: 15,984,233 km (0.094 R)
• M17: 19,845,654 km (0.095 R)
• M18: 20,586,163 km (0.057 R)
• M19: 21,473,428 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 11.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.07 AU - 3.13 AU

Year: 3768 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,424,067 km

• M1: 139,276 km (0.101 R)
• M2: 759,359 km (0.096 R)
• M3: 1,455,587 km (0.054 R)
• M4: 2,102,748 km (0.096 R)
• M5: 2,634,568 km (0.111 R)
• M6: 3,055,537 km (0.106 R)
• M7: 3,482,339 km (0.106 R)
• M8: 3,991,271 km (0.115 R)
• M9: 5,497,123 km (0.047 R)
• M10: 6,938,798 km (0.102 R)
• M11: 8,227,284 km (0.118 R)
• M12: 9,398,636 km (0.114 R)
• M13: 10,388,675 km (0.068 R)
• M14: 11,666,839 km (0.107 R)
• M15: 12,482,446 km (0.107 R)
• M16: 13,190,792 km (0.088 R)
• M17: 15,855,579 km (0.11 R)
• M18: 17,487,991 km (0.05 R)
• M19: 19,666,884 km (0.11 R)
• M20: 21,349,262 km (0.08 R)
• M21: 22,021,106 km (0.109 R)
• M22: 23,055,276 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 14.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.9 AU - 4.4 AU

Year: 4813 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 132.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,424,067 km

• M1: 180,565 km (0.037 R)
• M2: 656,585 km (0.082 R)
• M3: 1,252,433 km (0.089 R)
• M4: 1,787,545 km (0.099 R)
• M5: 2,281,368 km (0.041 R)
• M6: 2,765,765 km (0.117 R)
• M7: 3,357,575 km (0.116 R)
• M8: 3,904,056 km (0.108 R)
• M9: 7,028,706 km (0.037 R)
• M10: 7,964,291 km (0.043 R)
• M11: 8,498,954 km (0.04 R)
• M12: 9,249,038 km (0.117 R)
• M13: 10,042,954 km (0.07 R)
• M14: 11,858,324 km (0.085 R)
• M15: 18,364,186 km (0.107 R)
• M16: 20,202,295 km (0.057 R)
• M17: 20,797,096 km (0.11 R)
• M18: 22,021,555 km (0.069 R)
• M19: 22,935,298 km (0.088 R)
• M20: 24,838,782 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.9

Radius: 5.5

Gravity: 22.74 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.43 AU - 9.77 AU

Year: 15913 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,424,067 km

• M1: 68,366 km (0.094 R)
• M2: 293,361 km (0.064 R)
• M3: 699,968 km (0.116 R)
• M4: 1,412,802 km (0.114 R)
• M5: 1,815,370 km (0.096 R)
• M6: 2,592,082 km (0.1 R)
• M7: 3,570,303 km (0.075 R)
• M8: 4,251,123 km (0.064 R)
• M9: 4,474,622 km (0.037 R)
• M10: 5,085,430 km (0.08 R)
• M11: 7,116,969 km (0.046 R)
• M12: 9,099,739 km (0.072 R)
• M13: 11,301,670 km (0.101 R)
• M14: 11,484,479 km (0.077 R)
• M15: 11,793,548 km (0.119 R)
• M16: 12,363,965 km (0.035 R)
• M17: 15,494,300 km (0.101 R)
• M18: 17,851,514 km (0.105 R)
• M19: 19,288,102 km (0.09 R)
• M20: 20,347,554 km (0.098 R)
• M21: 20,983,046 km (0.114 R)
• M22: 25,284,434 km (0.045 R)
• M23: 26,231,239 km (0.111 R)
• M24: 27,750,704 km (0.082 R)
• M25: 35,840,359 km (0.044 R)
• M26: 37,708,686 km (0.042 R)
• M27: 42,367,613 km (0.09 R)
• M28: 44,758,486 km (0.091 R)
• M29: 55,397,887 km (0.07 R)
• M30: 57,530,255 km (0.113 R)
• M31: 61,580,617 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 10,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit