🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 11.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.71 AU - 1.15 AU

Year: 598 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,278,087 km

• M1: 138,079 km (0.117 R)
• M2: 484,996 km (0.084 R)
• M3: 915,838 km (0.07 R)
• M4: 1,374,206 km (0.105 R)
• M5: 1,865,635 km (0.092 R)
• M6: 2,295,131 km (0.086 R)
• M7: 2,692,313 km (0.12 R)
• M8: 3,281,429 km (0.11 R)
• M9: 3,747,726 km (0.085 R)
• M10: 4,561,089 km (0.04 R)
• M11: 5,996,930 km (0.09 R)
• M12: 6,398,899 km (0.077 R)
• M13: 6,798,475 km (0.081 R)

Asteroid Belt

Center: 1.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 12.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.84 AU - 1.96 AU

Year: 1746 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,278,087 km

• M1: 160,369 km (0.096 R)
• M2: 566,078 km (0.041 R)
• M3: 1,133,503 km (0.117 R)
• M4: 1,688,212 km (0.069 R)
• M5: 2,231,851 km (0.069 R)
• M6: 2,728,067 km (0.096 R)
• M7: 3,148,138 km (0.12 R)
• M8: 3,677,116 km (0.063 R)
• M9: 4,505,888 km (0.095 R)
• M10: 5,608,125 km (0.077 R)
• M11: 6,222,972 km (0.092 R)
• M12: 6,682,387 km (0.112 R)
• M13: 7,374,128 km (0.119 R)
• M14: 7,833,992 km (0.113 R)
• M15: 8,751,475 km (0.071 R)
• M16: 9,835,910 km (0.099 R)
• M17: 11,323,661 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 12

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.92 AU - 3.14 AU

Year: 2684 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,278,087 km

• M1: 150,795 km (0.116 R)
• M2: 1,010,234 km (0.077 R)
• M3: 1,459,626 km (0.103 R)
• M4: 1,848,431 km (0.087 R)
• M5: 2,433,658 km (0.103 R)
• M6: 3,368,046 km (0.108 R)
• M7: 5,031,575 km (0.076 R)
• M8: 8,103,118 km (0.07 R)
• M9: 9,712,791 km (0.106 R)
• M10: 10,672,312 km (0.064 R)
• M11: 14,459,681 km (0.081 R)
• M12: 17,858,246 km (0.109 R)
• M13: 18,253,483 km (0.119 R)
• M14: 20,134,976 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 13.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.99 AU - 3.01 AU

Year: 3465 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,278,087 km

• M1: 169,943 km (0.027 R)
• M2: 666,608 km (0.11 R)
• M3: 1,119,291 km (0.076 R)
• M4: 1,611,319 km (0.1 R)
• M5: 2,150,469 km (0.105 R)
• M6: 2,826,502 km (0.116 R)
• M7: 3,541,131 km (0.118 R)
• M8: 4,215,219 km (0.092 R)
• M9: 5,359,344 km (0.064 R)
• M10: 5,933,500 km (0.061 R)
• M11: 6,950,317 km (0.056 R)
• M12: 7,803,923 km (0.118 R)
• M13: 8,507,182 km (0.097 R)
• M14: 9,484,206 km (0.079 R)
• M15: 10,451,356 km (0.118 R)
• M16: 11,796,540 km (0.082 R)
• M17: 12,347,210 km (0.065 R)
• M18: 12,963,104 km (0.118 R)
• M19: 13,749,241 km (0.088 R)
• M20: 15,909,135 km (0.057 R)
• M21: 19,847,748 km (0.056 R)
• M22: 20,496,404 km (0.105 R)
• M23: 23,020,420 km (0.094 R)
• M24: 23,809,100 km (0.052 R)
• M25: 25,213,824 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 8.3

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.64 AU - 3.7 AU

Year: 3764 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,278,087 km

• M1: 103,223 km (0.09 R)
• M2: 530,773 km (0.117 R)
• M3: 953,986 km (0.119 R)
• M4: 1,425,668 km (0.09 R)
• M5: 2,031,838 km (0.105 R)
• M6: 2,868,838 km (0.096 R)
• M7: 3,583,767 km (0.09 R)
• M8: 4,506,785 km (0.025 R)
• M9: 4,847,270 km (0.067 R)
• M10: 5,178,629 km (0.101 R)
• M11: 5,802,303 km (0.106 R)
• M12: 6,264,860 km (0.069 R)
• M13: 7,496,050 km (0.112 R)
• M14: 9,262,053 km (0.043 R)
• M15: 10,221,275 km (0.063 R)
• M16: 11,422,246 km (0.097 R)
• M17: 11,782,029 km (0.095 R)
• M18: 13,595,305 km (0.105 R)
• M19: 14,620,948 km (0.109 R)
• M20: 15,206,474 km (0.031 R)
• M21: 17,232,777 km (0.116 R)
• M22: 20,533,804 km (0.108 R)
• M23: 21,200,711 km (0.105 R)
• M24: 21,607,767 km (0.112 R)
• M25: 24,307,709 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.5

Radius: 13.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.79 AU - 4.57 AU

Year: 4708 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,278,087 km

• M1: 169,644 km (0.081 R)
• M2: 733,478 km (0.076 R)
• M3: 1,526,048 km (0.058 R)
• M4: 2,467,018 km (0.116 R)
• M5: 3,007,815 km (0.106 R)
• M6: 4,157,774 km (0.081 R)
• M7: 5,149,308 km (0.086 R)
• M8: 6,729,361 km (0.072 R)
• M9: 7,186,383 km (0.078 R)
• M10: 7,631,436 km (0.069 R)
• M11: 10,101,895 km (0.059 R)
• M12: 11,116,319 km (0.068 R)
• M13: 13,875,801 km (0.109 R)
• M14: 14,568,439 km (0.109 R)
• M15: 16,841,130 km (0.067 R)
• M16: 18,091,170 km (0.053 R)
• M17: 22,616,056 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.7

Radius: 5.2

Gravity: 21.22 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.06 AU - 7.2 AU

Year: 11384 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,278,087 km

• M1: 64,626 km (0.04 R)
• M2: 337,493 km (0.117 R)
• M3: 546,780 km (0.088 R)
• M4: 770,579 km (0.103 R)
• M5: 1,276,967 km (0.074 R)
• M6: 2,015,383 km (0.116 R)
• M7: 2,417,801 km (0.091 R)
• M8: 3,005,421 km (0.093 R)
• M9: 3,761,788 km (0.099 R)
• M10: 5,337,054 km (0.12 R)
• M11: 5,959,530 km (0.116 R)
• M12: 6,784,413 km (0.076 R)
• M13: 9,319,947 km (0.068 R)
• M14: 10,744,119 km (0.08 R)
• M15: 11,452,315 km (0.065 R)
• M16: 11,676,263 km (0.115 R)
• M17: 12,249,074 km (0.048 R)
• M18: 12,601,676 km (0.089 R)
• M19: 13,327,226 km (0.102 R)
• M20: 14,401,937 km (0.08 R)
• M21: 14,794,781 km (0.069 R)
• M22: 15,533,345 km (0.076 R)
• M23: 20,819,087 km (0.108 R)
• M24: 25,728,141 km (0.074 R)
• M25: 28,092,685 km (0.109 R)
• M26: 29,958,170 km (0.104 R)
• M27: 33,934,183 km (0.118 R)
• M28: 37,015,151 km (0.092 R)
• M29: 38,497,815 km (0.111 R)
• M30: 39,380,891 km (0.034 R)
• M31: 41,449,680 km (0.065 R)
• M32: 41,978,060 km (0.113 R)
• M33: 43,183,221 km (0.083 R)
• M34: 43,862,544 km (0.107 R)
• M35: 47,366,575 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.2

Radius: 5.7

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.49 AU - 10.27 AU

Year: 16177 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,278,087 km

• M1: 71,358 km (0.081 R)
• M2: 315,352 km (0.063 R)
• M3: 548,426 km (0.096 R)
• M4: 957,875 km (0.116 R)
• M5: 1,381,088 km (0.102 R)
• M6: 3,486,678 km (0.067 R)
• M7: 4,508,281 km (0.11 R)
• M8: 5,291,576 km (0.073 R)
• M9: 6,010,693 km (0.083 R)
• M10: 6,238,680 km (0.108 R)
• M11: 6,957,348 km (0.098 R)
• M12: 8,798,000 km (0.082 R)
• M13: 10,388,974 km (0.033 R)
• M14: 11,511,706 km (0.072 R)
• M15: 14,194,893 km (0.095 R)
• M16: 28,982,942 km (0.108 R)
• M17: 30,073,959 km (0.069 R)
• M18: 32,337,375 km (0.107 R)
• M19: 33,392,040 km (0.111 R)
• M20: 33,987,739 km (0.098 R)
• M21: 42,807,431 km (0.117 R)
• M22: 45,957,812 km (0.088 R)
• M23: 51,757,273 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.2

Radius: 7.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.26 AU - 9.08 AU

Year: 17024 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,278,087 km

• M1: 92,302 km (0.109 R)
• M2: 372,648 km (0.114 R)
• M3: 725,849 km (0.107 R)
• M4: 969,544 km (0.05 R)
• M5: 1,483,113 km (0.118 R)
• M6: 1,884,335 km (0.118 R)
• M7: 2,495,891 km (0.071 R)
• M8: 3,257,045 km (0.08 R)
• M9: 3,718,405 km (0.094 R)
• M10: 3,992,917 km (0.114 R)
• M11: 10,884,591 km (0.077 R)
• M12: 12,391,192 km (0.109 R)
• M13: 12,943,657 km (0.115 R)
• M14: 19,404,041 km (0.118 R)
• M15: 23,135,161 km (0.078 R)
• M16: 25,806,081 km (0.095 R)
• M17: 26,103,931 km (0.064 R)
• M18: 31,074,918 km (0.095 R)
• M19: 34,557,407 km (0.104 R)
• M20: 37,144,403 km (0.072 R)
• M21: 38,938,979 km (0.071 R)
• M22: 39,330,926 km (0.035 R)
• M23: 42,148,602 km (0.091 R)
• M24: 42,977,823 km (0.111 R)
• M25: 44,241,775 km (0.111 R)
• M26: 45,530,411 km (0.114 R)
• M27: 50,160,465 km (0.079 R)
• M28: 50,779,950 km (0.053 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 15,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit