🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 13.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.65 AU - 0.67 AU

Year: 358 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,280,268 km

• M1: 162,912 km (0.117 R)
• M2: 644,767 km (0.115 R)
• M3: 1,283,699 km (0.104 R)
• M4: 1,745,059 km (0.111 R)
• M5: 2,464,326 km (0.118 R)
• M6: 3,281,579 km (0.116 R)
• M7: 3,862,019 km (0.093 R)
• M8: 4,313,804 km (0.118 R)
• M9: 5,104,878 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.4

Radius: 8.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,280,268 km

• M1: 109,655 km (0.088 R)
• M2: 388,954 km (0.113 R)
• M3: 751,281 km (0.119 R)
• M4: 1,092,364 km (0.119 R)
• M5: 1,985,762 km (0.067 R)
• M6: 2,298,721 km (0.1 R)
• M7: 2,594,326 km (0.064 R)
• M8: 3,016,043 km (0.082 R)
• M9: 3,312,246 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 13.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.92 AU - 1.18 AU

Year: 717 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,280,268 km

• M1: 181,013 km (0.105 R)
• M2: 647,609 km (0.111 R)
• M3: 1,526,347 km (0.063 R)
• M4: 1,973,046 km (0.101 R)
• M5: 2,498,284 km (0.117 R)
• M6: 2,966,825 km (0.11 R)
• M7: 3,958,360 km (0.059 R)
• M8: 4,615,842 km (0.106 R)
• M9: 5,061,046 km (0.066 R)
• M10: 5,622,636 km (0.092 R)
• M11: 6,378,105 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 13.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.44 AU

Year: 966 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,280,268 km

• M1: 162,912 km (0.072 R)
• M2: 574,605 km (0.059 R)
• M3: 1,207,255 km (0.05 R)
• M4: 1,782,758 km (0.093 R)
• M5: 2,404,337 km (0.09 R)
• M6: 3,010,657 km (0.088 R)
• M7: 3,822,674 km (0.07 R)
• M8: 4,758,259 km (0.094 R)
• M9: 5,984,812 km (0.114 R)
• M10: 6,807,002 km (0.047 R)
• M11: 7,245,773 km (0.03 R)
• M12: 7,802,127 km (0.045 R)
• M13: 8,570,612 km (0.12 R)
• M14: 9,000,705 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 11.5

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.92 AU - 4.62 AU

Year: 4881 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,280,268 km

• M1: 144,960 km (0.106 R)
• M2: 504,294 km (0.108 R)
• M3: 936,034 km (0.071 R)
• M4: 1,357,152 km (0.085 R)
• M5: 1,720,376 km (0.108 R)
• M6: 2,210,309 km (0.049 R)
• M7: 2,883,499 km (0.118 R)
• M8: 3,474,560 km (0.105 R)
• M9: 3,912,433 km (0.044 R)
• M10: 4,690,043 km (0.062 R)
• M11: 5,744,109 km (0.076 R)
• M12: 6,715,748 km (0.111 R)
• M13: 7,505,176 km (0.117 R)
• M14: 7,904,003 km (0.1 R)
• M15: 8,278,896 km (0.057 R)
• M16: 10,921,243 km (0.075 R)
• M17: 13,174,935 km (0.042 R)
• M18: 14,300,659 km (0.102 R)
• M19: 14,972,054 km (0.105 R)
• M20: 16,927,149 km (0.079 R)
• M21: 22,662,282 km (0.048 R)
• M22: 23,652,321 km (0.061 R)
• M23: 25,393,042 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 8.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.91 AU - 4.17 AU

Year: 5415 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,280,268 km

• M1: 109,506 km (0.099 R)
• M2: 690,544 km (0.064 R)
• M3: 1,032,076 km (0.103 R)
• M4: 1,951,803 km (0.098 R)
• M5: 2,335,821 km (0.103 R)
• M6: 2,681,691 km (0.101 R)
• M7: 4,161,214 km (0.084 R)
• M8: 4,976,224 km (0.043 R)
• M9: 5,457,330 km (0.072 R)
• M10: 6,459,187 km (0.112 R)
• M11: 7,757,547 km (0.055 R)
• M12: 8,888,956 km (0.106 R)
• M13: 9,425,563 km (0.102 R)
• M14: 10,380,147 km (0.056 R)
• M15: 10,674,855 km (0.117 R)
• M16: 13,850,519 km (0.063 R)
• M17: 16,485,237 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 4.8

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.43 AU - 7.23 AU

Year: 10620 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,280,268 km

• M1: 62,831 km (0.078 R)
• M2: 251,025 km (0.119 R)
• M3: 520,900 km (0.068 R)
• M4: 676,332 km (0.078 R)
• M5: 838,197 km (0.12 R)
• M6: 1,125,275 km (0.061 R)
• M7: 1,463,217 km (0.087 R)
• M8: 1,822,551 km (0.038 R)
• M9: 2,425,131 km (0.072 R)
• M10: 3,519,589 km (0.07 R)
• M11: 3,772,559 km (0.109 R)
• M12: 4,137,129 km (0.086 R)
• M13: 4,366,911 km (0.118 R)
• M14: 5,050,125 km (0.11 R)
• M15: 5,402,278 km (0.114 R)
• M16: 6,354,319 km (0.085 R)
• M17: 7,413,173 km (0.107 R)
• M18: 8,502,844 km (0.055 R)
• M19: 10,146,625 km (0.086 R)
• M20: 16,139,965 km (0.085 R)
• M21: 16,581,877 km (0.113 R)
• M22: 18,499,273 km (0.104 R)
• M23: 18,844,096 km (0.026 R)
• M24: 20,559,385 km (0.09 R)
• M25: 23,243,470 km (0.076 R)
• M26: 23,888,237 km (0.051 R)
• M27: 30,427,160 km (0.078 R)
• M28: 32,679,356 km (0.109 R)
• M29: 34,309,972 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.9

Radius: 8

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.45 AU - 7.35 AU

Year: 12087 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,280,268 km

• M1: 99,483 km (0.085 R)
• M2: 367,412 km (0.036 R)
• M3: 728,841 km (0.082 R)
• M4: 1,003,802 km (0.114 R)
• M5: 1,390,512 km (0.106 R)
• M6: 1,772,585 km (0.119 R)
• M7: 2,034,381 km (0.12 R)
• M8: 2,933,465 km (0.108 R)
• M9: 3,786,472 km (0.051 R)
• M10: 4,104,816 km (0.074 R)
• M11: 5,380,287 km (0.053 R)
• M12: 6,089,232 km (0.076 R)
• M13: 6,943,735 km (0.086 R)
• M14: 7,245,623 km (0.087 R)
• M15: 8,989,785 km (0.109 R)
• M16: 11,828,704 km (0.114 R)
• M17: 15,505,670 km (0.072 R)
• M18: 16,172,278 km (0.119 R)
• M19: 18,863,544 km (0.117 R)
• M20: 22,771,189 km (0.097 R)
• M21: 25,013,961 km (0.119 R)
• M22: 26,553,622 km (0.114 R)
• M23: 27,614,421 km (0.102 R)
• M24: 31,199,085 km (0.092 R)
• M25: 32,380,010 km (0.079 R)
• M26: 33,713,077 km (0.099 R)
• M27: 37,139,766 km (0.103 R)
• M28: 42,345,622 km (0.1 R)
• M29: 46,478,862 km (0.117 R)
• M30: 49,909,141 km (0.096 R)
• M31: 51,522,703 km (0.06 R)
• M32: 53,337,475 km (0.119 R)
• M33: 57,619,714 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.7

Radius: 3.5

Gravity: 73.12 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.7 AU - 11.3 AU

Year: 22689 Days

Day: 19.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,280,268 km

• M1: 43,982 km (0.112 R)
• M2: 367,562 km (0.106 R)
• M3: 980,764 km (0.059 R)
• M4: 1,187,807 km (0.077 R)
• M5: 1,579,006 km (0.069 R)
• M6: 2,461,633 km (0.083 R)
• M7: 2,712,359 km (0.046 R)
• M8: 3,148,886 km (0.07 R)
• M9: 3,383,904 km (0.045 R)
• M10: 3,505,677 km (0.066 R)
• M11: 3,630,441 km (0.074 R)
• M12: 4,228,982 km (0.08 R)
• M13: 4,737,914 km (0.119 R)
• M14: 5,876,504 km (0.099 R)
• M15: 7,644,750 km (0.098 R)
• M16: 8,015,005 km (0.091 R)
• M17: 8,341,727 km (0.108 R)
• M18: 10,047,741 km (0.098 R)
• M19: 10,236,384 km (0.117 R)
• M20: 14,367,080 km (0.104 R)
• M21: 14,767,853 km (0.105 R)
• M22: 16,186,490 km (0.079 R)
• M23: 20,475,461 km (0.069 R)
• M24: 23,315,277 km (0.07 R)
• M25: 25,814,758 km (0.113 R)
• M26: 30,411,302 km (0.102 R)
• M27: 30,674,146 km (0.105 R)
• M28: 35,089,677 km (0.096 R)
• M29: 40,542,369 km (0.117 R)
• M30: 42,806,683 km (0.097 R)
• M31: 47,409,061 km (0.109 R)
• M32: 55,206,252 km (0.111 R)
• M33: 55,793,723 km (0.102 R)
• M34: 57,180,794 km (0.1 R)
• M35: 61,689,674 km (0.083 R)
• M36: 67,539,699 km (0.06 R)
• M37: 74,461,293 km (0.103 R)
• M38: 77,601,801 km (0.115 R)
• M39: 79,080,726 km (0.086 R)
• M40: 79,328,908 km (0.085 R)
• M41: 82,859,717 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298

Radius: 6.1

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.3 AU - 12.56 AU

Year: 24097 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,280,268 km

• M1: 97,239 km (0.092 R)
• M2: 425,307 km (0.036 R)
• M3: 943,813 km (0.109 R)
• M4: 1,345,034 km (0.117 R)
• M5: 1,585,289 km (0.035 R)
• M6: 1,889,720 km (0.078 R)
• M7: 3,514,353 km (0.093 R)
• M8: 6,381,247 km (0.111 R)
• M9: 6,932,365 km (0.118 R)
• M10: 8,128,999 km (0.071 R)
• M11: 11,465,630 km (0.084 R)
• M12: 13,196,926 km (0.074 R)
• M13: 13,467,548 km (0.085 R)
• M14: 14,730,902 km (0.111 R)
• M15: 18,652,012 km (0.055 R)
• M16: 20,942,206 km (0.097 R)
• M17: 24,514,753 km (0.099 R)
• M18: 28,925,646 km (0.084 R)
• M19: 31,859,260 km (0.067 R)
• M20: 32,224,129 km (0.065 R)
• M21: 35,896,159 km (0.085 R)
• M22: 41,549,462 km (0.081 R)
• M23: 48,566,949 km (0.111 R)
• M24: 54,580,035 km (0.103 R)
• M25: 55,980,421 km (0.033 R)
• M26: 60,697,391 km (0.073 R)
• M27: 61,258,084 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 20,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit