🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 13.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.98 AU - 1.58 AU

Year: 982 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,505,088 km

• M1: 169,345 km (0.111 R)
• M2: 611,706 km (0.119 R)
• M3: 1,082,939 km (0.114 R)
• M4: 1,527,394 km (0.114 R)
• M5: 1,972,149 km (0.119 R)
• M6: 2,485,269 km (0.081 R)
• M7: 2,955,456 km (0.119 R)
• M8: 4,105,564 km (0.096 R)
• M9: 4,603,575 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 14.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.61 AU - 2.07 AU

Year: 1693 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,505,088 km

• M1: 181,761 km (0.111 R)
• M2: 1,101,040 km (0.12 R)
• M3: 2,248,456 km (0.116 R)
• M4: 3,079,023 km (0.075 R)
• M5: 4,375,289 km (0.081 R)
• M6: 4,930,147 km (0.113 R)
• M7: 5,431,599 km (0.08 R)
• M8: 6,095,814 km (0.059 R)
• M9: 7,025,714 km (0.103 R)
• M10: 10,639,401 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.4

Radius: 12.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.64 AU - 2.08 AU

Year: 1721 Days

Day: 8.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,505,088 km

• M1: 160,369 km (0.087 R)
• M2: 786,735 km (0.044 R)
• M3: 1,285,345 km (0.102 R)
• M4: 1,809,835 km (0.11 R)
• M5: 2,226,914 km (0.075 R)
• M6: 2,745,121 km (0.08 R)
• M7: 3,499,094 km (0.055 R)
• M8: 4,661,769 km (0.109 R)
• M9: 5,208,699 km (0.044 R)
• M10: 5,636,698 km (0.1 R)
• M11: 6,720,535 km (0.101 R)
• M12: 7,134,771 km (0.051 R)
• M13: 7,590,446 km (0.116 R)
• M14: 8,014,706 km (0.078 R)
• M15: 9,299,153 km (0.102 R)
• M16: 9,873,160 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 9.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.8 AU - 2.2 AU

Year: 1918 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,505,088 km

• M1: 113,246 km (0.073 R)
• M2: 528,080 km (0.077 R)
• M3: 972,386 km (0.097 R)
• M4: 1,452,745 km (0.065 R)
• M5: 1,812,677 km (0.067 R)
• M6: 2,715,201 km (0.073 R)
• M7: 3,586,908 km (0.097 R)
• M8: 5,633,257 km (0.068 R)
• M9: 6,374,964 km (0.114 R)
• M10: 7,377,569 km (0.115 R)
• M11: 7,753,807 km (0.112 R)
• M12: 9,488,993 km (0.087 R)
• M13: 9,864,932 km (0.032 R)
• M14: 10,465,418 km (0.116 R)
• M15: 10,756,386 km (0.065 R)
• M16: 11,392,476 km (0.064 R)
• M17: 11,895,723 km (0.094 R)
• M18: 12,373,389 km (0.093 R)
• M19: 13,240,010 km (0.102 R)
• M20: 15,047,601 km (0.105 R)
• M21: 15,465,428 km (0.109 R)
• M22: 15,986,627 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 14.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.29 AU - 4.59 AU

Year: 6345 Days

Day: 8.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,505,088 km

• M1: 193,430 km (0.095 R)
• M2: 762,650 km (0.11 R)
• M3: 1,351,617 km (0.108 R)
• M4: 1,968,558 km (0.114 R)
• M5: 3,422,650 km (0.11 R)
• M6: 4,590,411 km (0.113 R)
• M7: 5,308,929 km (0.094 R)
• M8: 7,455,060 km (0.079 R)
• M9: 8,259,598 km (0.086 R)
• M10: 10,348,433 km (0.092 R)
• M11: 11,923,997 km (0.091 R)
• M12: 12,566,969 km (0.037 R)
• M13: 13,601,438 km (0.118 R)
• M14: 16,135,926 km (0.095 R)
• M15: 17,108,611 km (0.102 R)
• M16: 17,991,538 km (0.047 R)
• M17: 21,179,319 km (0.035 R)
• M18: 25,448,243 km (0.098 R)
• M19: 28,302,720 km (0.055 R)
• M20: 30,716,931 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.4

Radius: 7.5

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.1 AU - 8.28 AU

Year: 11736 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 120.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,505,088 km

• M1: 101,128 km (0.039 R)
• M2: 659,577 km (0.102 R)
• M3: 1,196,185 km (0.093 R)
• M4: 2,066,695 km (0.048 R)
• M5: 2,635,914 km (0.095 R)
• M6: 3,534,549 km (0.065 R)
• M7: 3,997,106 km (0.118 R)
• M8: 5,009,584 km (0.083 R)
• M9: 5,593,464 km (0.085 R)
• M10: 7,103,804 km (0.104 R)
• M11: 7,751,264 km (0.106 R)
• M12: 8,112,244 km (0.082 R)
• M13: 8,819,393 km (0.079 R)
• M14: 9,773,229 km (0.107 R)
• M15: 11,884,653 km (0.098 R)
• M16: 13,493,279 km (0.056 R)
• M17: 13,818,505 km (0.103 R)
• M18: 14,963,527 km (0.069 R)
• M19: 15,952,967 km (0.093 R)
• M20: 17,827,429 km (0.118 R)
• M21: 19,594,180 km (0.093 R)
• M22: 22,458,530 km (0.093 R)
• M23: 24,806,020 km (0.089 R)
• M24: 26,594,163 km (0.06 R)
• M25: 29,762,646 km (0.098 R)
• M26: 34,487,695 km (0.112 R)
• M27: 36,711,317 km (0.068 R)
• M28: 41,578,933 km (0.098 R)
• M29: 43,527,595 km (0.101 R)
• M30: 54,190,632 km (0.073 R)
• M31: 55,509,935 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573

Radius: 6.1

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.92 AU - 8.3 AU

Year: 12859 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 170.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,505,088 km

• M1: 75,846 km (0.081 R)
• M2: 366,664 km (0.119 R)
• M3: 716,275 km (0.081 R)
• M4: 1,013,226 km (0.1 R)
• M5: 2,342,852 km (0.1 R)
• M6: 2,690,518 km (0.104 R)
• M7: 2,956,204 km (0.066 R)
• M8: 3,438,058 km (0.083 R)
• M9: 3,724,538 km (0.046 R)
• M10: 4,839,042 km (0.104 R)
• M11: 5,719,426 km (0.114 R)
• M12: 6,427,173 km (0.084 R)
• M13: 6,742,077 km (0.05 R)
• M14: 7,026,014 km (0.068 R)
• M15: 7,233,655 km (0.096 R)
• M16: 7,704,889 km (0.034 R)
• M17: 9,694,540 km (0.093 R)
• M18: 11,366,147 km (0.109 R)
• M19: 13,990,393 km (0.043 R)
• M20: 16,623,465 km (0.098 R)
• M21: 17,067,322 km (0.086 R)
• M22: 18,446,465 km (0.054 R)
• M23: 19,898,162 km (0.101 R)
• M24: 23,951,367 km (0.082 R)
• M25: 25,676,679 km (0.101 R)
• M26: 28,945,393 km (0.058 R)
• M27: 29,912,543 km (0.07 R)
• M28: 33,408,196 km (0.109 R)
• M29: 33,996,415 km (0.101 R)
• M30: 37,671,586 km (0.066 R)
• M31: 43,667,469 km (0.041 R)
• M32: 48,148,673 km (0.102 R)
• M33: 48,899,056 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.6

Radius: 3.1

Gravity: 45.54 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.3 AU - 9.02 AU

Year: 14379 Days

Day: 19.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,505,088 km

• M1: 344,973 km (0.101 R)
• M2: 1,016,518 km (0.105 R)
• M3: 2,531,645 km (0.118 R)
• M4: 3,014,247 km (0.105 R)
• M5: 3,581,672 km (0.045 R)
• M6: 5,288,434 km (0.108 R)
• M7: 6,847,095 km (0.093 R)
• M8: 8,877,886 km (0.108 R)
• M9: 11,052,889 km (0.042 R)
• M10: 13,879,840 km (0.067 R)
• M11: 14,075,065 km (0.069 R)
• M12: 17,833,562 km (0.064 R)
• M13: 18,689,412 km (0.086 R)
• M14: 21,944,512 km (0.081 R)
• M15: 22,926,622 km (0.106 R)
• M16: 30,414,893 km (0.087 R)
• M17: 31,075,966 km (0.115 R)
• M18: 33,934,033 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.9

Radius: 4.8

Gravity: 27.43 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.87 AU - 9.09 AU

Year: 18252 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,505,088 km

• M1: 61,186 km (0.077 R)
• M2: 219,909 km (0.059 R)
• M3: 465,698 km (0.041 R)
• M4: 677,230 km (0.105 R)
• M5: 1,121,685 km (0.095 R)
• M6: 1,430,156 km (0.048 R)
• M7: 1,604,587 km (0.032 R)
• M8: 1,920,986 km (0.118 R)
• M9: 2,968,919 km (0.084 R)
• M10: 4,002,192 km (0.084 R)
• M11: 5,144,970 km (0.086 R)
• M12: 5,442,520 km (0.099 R)
• M13: 7,711,920 km (0.077 R)
• M14: 9,241,708 km (0.11 R)
• M15: 9,459,821 km (0.1 R)
• M16: 10,484,567 km (0.11 R)
• M17: 10,781,818 km (0.066 R)
• M18: 11,023,568 km (0.111 R)
• M19: 14,071,026 km (0.046 R)
• M20: 14,505,758 km (0.113 R)
• M21: 14,726,564 km (0.083 R)
• M22: 14,949,465 km (0.087 R)
• M23: 15,941,747 km (0.108 R)
• M24: 16,098,227 km (0.089 R)
• M25: 17,972,239 km (0.077 R)
• M26: 18,397,995 km (0.118 R)
• M27: 19,358,413 km (0.072 R)
• M28: 26,703,370 km (0.099 R)
• M29: 33,101,820 km (0.105 R)
• M30: 35,843,051 km (0.102 R)
• M31: 56,427,569 km (0.117 R)
• M32: 66,398,865 km (0.104 R)
• M33: 68,441,923 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.1

Radius: 7.5

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.9 AU - 12.5 AU

Year: 23739 Days

Day: 17.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,505,088 km

• M1: 93,199 km (0.055 R)
• M2: 358,137 km (0.099 R)
• M3: 822,040 km (0.104 R)
• M4: 2,211,954 km (0.12 R)
• M5: 2,681,991 km (0.072 R)
• M6: 3,354,283 km (0.109 R)
• M7: 4,847,569 km (0.104 R)
• M8: 5,252,830 km (0.108 R)
• M9: 7,773,853 km (0.052 R)
• M10: 8,537,850 km (0.089 R)
• M11: 9,239,763 km (0.091 R)
• M12: 12,435,772 km (0.07 R)
• M13: 19,402,245 km (0.088 R)
• M14: 21,479,561 km (0.118 R)
• M15: 29,792,865 km (0.119 R)
• M16: 30,900,338 km (0.097 R)
• M17: 31,780,572 km (0.118 R)
• M18: 32,419,355 km (0.094 R)
• M19: 35,060,655 km (0.063 R)
• M20: 42,746,844 km (0.115 R)
• M21: 48,059,363 km (0.038 R)
• M22: 51,835,513 km (0.118 R)
• M23: 61,734,852 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 13,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit