🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.3

Radius: 13.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.16 AU - 1.49 AU

Year: 995 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,540,899 km

• M1: 168,148 km (0.093 R)
• M2: 600,486 km (0.119 R)
• M3: 1,086,978 km (0.062 R)
• M4: 1,542,055 km (0.109 R)
• M5: 2,040,665 km (0.09 R)
• M6: 2,846,249 km (0.06 R)
• M7: 4,575,451 km (0.093 R)
• M8: 5,744,558 km (0.095 R)
• M9: 6,305,700 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 10.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.56 AU - 2 AU

Year: 1558 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,540,899 km

• M1: 160,070 km (0.068 R)
• M2: 598,391 km (0.106 R)
• M3: 1,177,784 km (0.105 R)
• M4: 1,752,389 km (0.119 R)
• M5: 2,147,328 km (0.088 R)
• M6: 3,792,755 km (0.12 R)
• M7: 4,348,661 km (0.088 R)
• M8: 5,331,369 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 12.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.47 AU - 5.15 AU

Year: 6920 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,540,899 km

• M1: 157,975 km (0.039 R)
• M2: 556,055 km (0.077 R)
• M3: 1,187,957 km (0.079 R)
• M4: 1,627,774 km (0.11 R)
• M5: 2,376,213 km (0.086 R)
• M6: 2,830,691 km (0.12 R)
• M7: 3,917,819 km (0.12 R)
• M8: 4,345,369 km (0.113 R)
• M9: 5,118,342 km (0.113 R)
• M10: 5,948,759 km (0.06 R)
• M11: 7,010,605 km (0.05 R)
• M12: 9,914,898 km (0.036 R)
• M13: 10,666,328 km (0.07 R)
• M14: 12,072,399 km (0.072 R)
• M15: 13,826,733 km (0.037 R)
• M16: 14,349,428 km (0.101 R)
• M17: 19,304,109 km (0.059 R)
• M18: 19,884,250 km (0.102 R)
• M19: 20,326,910 km (0.099 R)
• M20: 23,042,111 km (0.072 R)
• M21: 25,641,524 km (0.116 R)
• M22: 26,078,350 km (0.074 R)
• M23: 26,698,283 km (0.068 R)
• M24: 27,237,434 km (0.114 R)
• M25: 29,946,651 km (0.111 R)
• M26: 31,019,717 km (0.118 R)
• M27: 36,222,581 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 9.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.65 AU - 5.89 AU

Year: 7936 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,540,899 km

• M1: 122,072 km (0.083 R)
• M2: 806,931 km (0.118 R)
• M3: 1,283,699 km (0.057 R)
• M4: 1,837,810 km (0.106 R)
• M5: 2,207,317 km (0.059 R)
• M6: 3,503,433 km (0.103 R)
• M7: 6,235,838 km (0.036 R)
• M8: 6,663,688 km (0.088 R)
• M9: 7,242,482 km (0.034 R)
• M10: 7,959,654 km (0.112 R)
• M11: 8,574,501 km (0.054 R)
• M12: 8,912,443 km (0.118 R)
• M13: 9,456,081 km (0.07 R)
• M14: 10,354,865 km (0.107 R)
• M15: 10,738,584 km (0.095 R)
• M16: 12,656,279 km (0.093 R)
• M17: 14,210,900 km (0.088 R)
• M18: 18,931,162 km (0.118 R)
• M19: 22,130,312 km (0.099 R)
• M20: 25,287,276 km (0.116 R)
• M21: 25,595,448 km (0.107 R)
• M22: 25,984,253 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.9

Radius: 4.8

Gravity: 39.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.9 AU - 6.12 AU

Year: 9665 Days

Day: 20.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,540,899 km

• M1: 59,690 km (0.097 R)
• M2: 229,932 km (0.083 R)
• M3: 607,517 km (0.099 R)
• M4: 779,854 km (0.108 R)
• M5: 1,448,855 km (0.09 R)
• M6: 2,135,809 km (0.037 R)
• M7: 2,561,564 km (0.04 R)
• M8: 3,135,123 km (0.099 R)
• M9: 3,657,818 km (0.105 R)
• M10: 4,178,867 km (0.108 R)
• M11: 5,678,735 km (0.114 R)
• M12: 5,929,162 km (0.11 R)
• M13: 6,725,172 km (0.092 R)
• M14: 6,965,127 km (0.113 R)
• M15: 7,377,718 km (0.105 R)
• M16: 7,589,998 km (0.109 R)
• M17: 7,938,112 km (0.065 R)
• M18: 11,795,194 km (0.106 R)
• M19: 13,047,328 km (0.078 R)
• M20: 16,308,412 km (0.101 R)
• M21: 18,865,638 km (0.05 R)
• M22: 21,591,610 km (0.048 R)
• M23: 21,851,761 km (0.101 R)
• M24: 22,114,006 km (0.119 R)
• M25: 22,378,196 km (0.056 R)
• M26: 23,915,912 km (0.077 R)
• M27: 26,500,515 km (0.102 R)
• M28: 31,211,950 km (0.026 R)
• M29: 32,784,224 km (0.085 R)
• M30: 37,441,205 km (0.045 R)
• M31: 38,702,615 km (0.098 R)
• M32: 39,991,999 km (0.107 R)
• M33: 41,979,406 km (0.101 R)
• M34: 42,929,054 km (0.113 R)
• M35: 49,678,760 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.3

Radius: 5.2

Gravity: 32.41 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.68 AU - 8.72 AU

Year: 14017 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,540,899 km

• M1: 64,776 km (0.087 R)
• M2: 311,912 km (0.107 R)
• M3: 476,918 km (0.079 R)
• M4: 931,396 km (0.069 R)
• M5: 1,262,606 km (0.117 R)
• M6: 1,463,516 km (0.083 R)
• M7: 1,669,063 km (0.083 R)
• M8: 1,966,913 km (0.113 R)
• M9: 2,138,651 km (0.118 R)
• M10: 2,320,263 km (0.046 R)
• M11: 3,026,963 km (0.103 R)
• M12: 3,282,925 km (0.104 R)
• M13: 4,421,814 km (0.069 R)
• M14: 4,819,595 km (0.047 R)
• M15: 5,648,516 km (0.117 R)
• M16: 7,219,892 km (0.041 R)
• M17: 7,961,150 km (0.118 R)
• M18: 8,650,347 km (0.093 R)
• M19: 9,757,372 km (0.075 R)
• M20: 11,437,206 km (0.091 R)
• M21: 13,778,861 km (0.11 R)
• M22: 15,959,699 km (0.103 R)
• M23: 21,545,684 km (0.102 R)
• M24: 25,080,981 km (0.108 R)
• M25: 25,288,024 km (0.101 R)
• M26: 32,901,359 km (0.092 R)
• M27: 33,149,542 km (0.04 R)
• M28: 34,281,549 km (0.111 R)
• M29: 35,699,886 km (0.088 R)
• M30: 37,561,033 km (0.115 R)
• M31: 45,499,744 km (0.111 R)
• M32: 49,126,594 km (0.118 R)
• M33: 51,760,265 km (0.105 R)
• M34: 58,570,858 km (0.092 R)
• M35: 63,236,815 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.8

Radius: 7.1

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.35 AU - 11.39 AU

Year: 20342 Days

Day: 24.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,540,899 km

• M1: 88,263 km (0.07 R)
• M2: 325,226 km (0.085 R)
• M3: 776,114 km (0.098 R)
• M4: 1,309,131 km (0.119 R)
• M5: 1,612,964 km (0.12 R)
• M6: 2,275,533 km (0.084 R)
• M7: 2,501,725 km (0.101 R)
• M8: 4,639,628 km (0.09 R)
• M9: 5,043,094 km (0.114 R)
• M10: 6,802,664 km (0.042 R)
• M11: 9,387,566 km (0.116 R)
• M12: 10,275,579 km (0.047 R)
• M13: 10,708,515 km (0.066 R)
• M14: 14,622,145 km (0.118 R)
• M15: 15,650,480 km (0.116 R)
• M16: 21,225,395 km (0.079 R)
• M17: 22,233,385 km (0.062 R)
• M18: 24,344,361 km (0.084 R)
• M19: 39,878,304 km (0.112 R)
• M20: 42,348,315 km (0.111 R)
• M21: 45,742,691 km (0.091 R)
• M22: 47,590,972 km (0.115 R)
• M23: 54,173,279 km (0.113 R)
• M24: 55,672,100 km (0.063 R)
• M25: 60,734,043 km (0.097 R)
• M26: 78,217,396 km (0.086 R)
• M27: 78,692,818 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.8

Radius: 4.1

Gravity: 21.4 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.15 AU - 11.59 AU

Year: 21907 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,540,899 km

• M1: 130,898 km (0.1 R)
• M2: 596,297 km (0.046 R)
• M3: 1,451,399 km (0.1 R)
• M4: 1,707,510 km (0.118 R)
• M5: 3,379,565 km (0.068 R)
• M6: 4,222,699 km (0.093 R)
• M7: 4,445,600 km (0.045 R)
• M8: 7,672,875 km (0.109 R)
• M9: 10,544,855 km (0.117 R)
• M10: 16,583,822 km (0.097 R)
• M11: 24,993,765 km (0.075 R)
• M12: 30,746,551 km (0.095 R)
• M13: 30,983,813 km (0.08 R)
• M14: 37,053,149 km (0.087 R)
• M15: 37,187,338 km (0.101 R)
• M16: 37,999,505 km (0.112 R)
• M17: 47,253,479 km (0.065 R)
• M18: 47,728,153 km (0.051 R)
• M19: 50,478,062 km (0.1 R)
• M20: 54,018,445 km (0.091 R)
• M21: 62,915,628 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.5

Radius: 3.3

Gravity: 67.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.64 AU - 11.28 AU

Year: 23803 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,540,899 km

• M1: 41,139 km (0.094 R)
• M2: 199,863 km (0.069 R)
• M3: 406,158 km (0.052 R)
• M4: 518,057 km (0.094 R)
• M5: 1,840,951 km (0.115 R)
• M6: 2,003,265 km (0.103 R)
• M7: 2,287,351 km (0.082 R)
• M8: 2,451,161 km (0.118 R)
• M9: 2,698,596 km (0.089 R)
• M10: 2,854,776 km (0.118 R)
• M11: 4,022,238 km (0.084 R)
• M12: 5,983,765 km (0.035 R)
• M13: 6,340,257 km (0.098 R)
• M14: 7,293,195 km (0.077 R)
• M15: 7,961,449 km (0.111 R)
• M16: 9,300,649 km (0.065 R)
• M17: 12,775,060 km (0.111 R)
• M18: 12,920,768 km (0.108 R)
• M19: 13,590,817 km (0.065 R)
• M20: 16,502,590 km (0.066 R)
• M21: 17,379,533 km (0.076 R)
• M22: 21,198,916 km (0.115 R)
• M23: 21,609,113 km (0.1 R)
• M24: 25,311,361 km (0.116 R)
• M25: 26,594,163 km (0.101 R)
• M26: 28,785,473 km (0.119 R)
• M27: 32,564,315 km (0.057 R)
• M28: 38,603,132 km (0.065 R)
• M29: 38,755,423 km (0.103 R)
• M30: 52,088,034 km (0.074 R)
• M31: 61,933,818 km (0.104 R)
• M32: 62,142,507 km (0.116 R)
• M33: 68,398,540 km (0.118 R)
• M34: 75,298,443 km (0.112 R)
• M35: 77,940,191 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 20,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit