🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 8.6

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.76 AU - 1.04 AU

Year: 560 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,182,419 km

• M1: 106,962 km (0.064 R)
• M2: 386,112 km (0.098 R)
• M3: 667,207 km (0.091 R)
• M4: 957,726 km (0.104 R)
• M5: 1,247,646 km (0.108 R)
• M6: 1,581,698 km (0.06 R)
• M7: 1,903,633 km (0.049 R)
• M8: 2,329,837 km (0.08 R)
• M9: 2,727,020 km (0.11 R)
• M10: 3,427,138 km (0.101 R)
• M11: 3,699,406 km (0.07 R)
• M12: 4,060,385 km (0.106 R)
• M13: 4,350,306 km (0.067 R)
• M14: 5,859,449 km (0.09 R)
• M15: 6,270,694 km (0.063 R)
• M16: 6,700,937 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 14.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.03 AU - 1.47 AU

Year: 917 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,182,419 km

• M1: 182,061 km (0.09 R)
• M2: 1,062,893 km (0.109 R)
• M3: 1,636,451 km (0.08 R)
• M4: 2,402,841 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.5

Radius: 10.8

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1 AU - 1.52 AU

Year: 928 Days

Day: 14.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,182,419 km

• M1: 134,339 km (0.096 R)
• M2: 473,926 km (0.083 R)
• M3: 823,237 km (0.059 R)
• M4: 1,216,081 km (0.111 R)
• M5: 1,642,136 km (0.11 R)
• M6: 2,057,868 km (0.115 R)
• M7: 2,498,584 km (0.088 R)
• M8: 3,014,696 km (0.066 R)
• M9: 3,416,067 km (0.107 R)
• M10: 3,883,561 km (0.111 R)
• M11: 4,699,617 km (0.114 R)
• M12: 5,470,196 km (0.078 R)
• M13: 5,845,537 km (0.108 R)
• M14: 6,387,081 km (0.102 R)
• M15: 6,848,740 km (0.098 R)
• M16: 7,285,566 km (0.116 R)
• M17: 9,277,162 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 10.2

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.29 AU - 1.79 AU

Year: 1254 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,182,419 km

• M1: 126,859 km (0.108 R)
• M2: 468,541 km (0.025 R)
• M3: 800,947 km (0.101 R)
• M4: 1,214,735 km (0.047 R)
• M5: 2,008,800 km (0.103 R)
• M6: 2,377,260 km (0.117 R)
• M7: 3,237,448 km (0.032 R)
• M8: 3,798,290 km (0.115 R)
• M9: 4,536,555 km (0.041 R)
• M10: 5,718,528 km (0.073 R)
• M11: 6,369,279 km (0.114 R)
• M12: 6,737,888 km (0.064 R)
• M13: 7,410,480 km (0.066 R)
• M14: 7,846,408 km (0.073 R)
• M15: 9,892,758 km (0.077 R)
• M16: 10,489,055 km (0.086 R)
• M17: 11,826,908 km (0.067 R)
• M18: 12,921,965 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 14.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.36 AU - 3.08 AU

Year: 2943 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,182,419 km

• M1: 182,210 km (0.054 R)
• M2: 768,035 km (0.109 R)
• M3: 1,329,327 km (0.096 R)
• M4: 2,116,959 km (0.068 R)
• M5: 3,161,003 km (0.072 R)
• M6: 4,100,478 km (0.091 R)
• M7: 4,837,247 km (0.098 R)
• M8: 6,598,014 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 13.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.65 AU - 4.73 AU

Year: 5626 Days

Day: 5 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,182,419 km

• M1: 166,203 km (0.105 R)
• M2: 612,902 km (0.077 R)
• M3: 1,318,406 km (0.038 R)
• M4: 2,253,094 km (0.068 R)
• M5: 3,187,781 km (0.075 R)
• M6: 4,102,722 km (0.088 R)
• M7: 5,541,105 km (0.082 R)
• M8: 7,430,975 km (0.062 R)
• M9: 9,454,735 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.7

Radius: 9.7

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.95 AU - 5.75 AU

Year: 7007 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,182,419 km

• M1: 121,025 km (0.107 R)
• M2: 586,573 km (0.072 R)
• M3: 910,004 km (0.111 R)
• M4: 1,321,697 km (0.054 R)
• M5: 3,015,444 km (0.036 R)
• M6: 4,046,622 km (0.1 R)
• M7: 5,266,892 km (0.11 R)
• M8: 5,734,535 km (0.097 R)
• M9: 6,752,997 km (0.107 R)
• M10: 7,457,603 km (0.119 R)
• M11: 9,057,104 km (0.096 R)
• M12: 9,637,843 km (0.116 R)
• M13: 10,725,868 km (0.065 R)
• M14: 12,158,567 km (0.118 R)
• M15: 12,865,417 km (0.104 R)
• M16: 13,542,048 km (0.069 R)
• M17: 14,420,786 km (0.062 R)
• M18: 17,016,907 km (0.074 R)
• M19: 20,133,480 km (0.053 R)
• M20: 23,445,128 km (0.091 R)
• M21: 27,470,507 km (0.115 R)
• M22: 28,497,198 km (0.086 R)
• M23: 29,938,124 km (0.088 R)
• M24: 31,528,050 km (0.094 R)
• M25: 33,911,145 km (0.026 R)
• M26: 36,300,671 km (0.112 R)
• M27: 36,635,023 km (0.091 R)
• M28: 38,107,365 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.4

Radius: 3.2

Gravity: 96.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.47 AU - 8.91 AU

Year: 15376 Days

Day: 23.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 84,182,419 km

• M1: 40,092 km (0.12 R)
• M2: 167,400 km (0.119 R)
• M3: 387,458 km (0.113 R)
• M4: 1,085,931 km (0.086 R)
• M5: 1,706,912 km (0.094 R)
• M6: 2,103,346 km (0.109 R)
• M7: 2,466,719 km (0.071 R)
• M8: 2,581,162 km (0.112 R)
• M9: 2,771,749 km (0.092 R)
• M10: 3,837,634 km (0.05 R)
• M11: 4,085,967 km (0.095 R)
• M12: 4,512,021 km (0.113 R)
• M13: 9,150,603 km (0.11 R)
• M14: 9,705,910 km (0.098 R)
• M15: 11,380,060 km (0.054 R)
• M16: 11,698,105 km (0.089 R)
• M17: 11,956,610 km (0.108 R)
• M18: 13,307,030 km (0.079 R)
• M19: 15,133,769 km (0.03 R)
• M20: 17,622,480 km (0.098 R)
• M21: 18,133,655 km (0.109 R)
• M22: 18,306,291 km (0.105 R)
• M23: 20,744,886 km (0.052 R)
• M24: 20,933,679 km (0.074 R)
• M25: 22,784,803 km (0.115 R)
• M26: 24,112,334 km (0.074 R)
• M27: 24,636,376 km (0.118 R)
• M28: 25,490,580 km (0.115 R)
• M29: 25,707,197 km (0.098 R)
• M30: 26,144,173 km (0.103 R)
• M31: 28,287,162 km (0.114 R)
• M32: 29,699,216 km (0.038 R)
• M33: 30,059,448 km (0.104 R)
• M34: 33,046,918 km (0.098 R)
• M35: 33,954,079 km (0.11 R)
• M36: 35,011,138 km (0.111 R)
• M37: 35,547,745 km (0.089 R)
• M38: 35,818,069 km (0.066 R)
• M39: 49,453,765 km (0.077 R)
• M40: 51,498,169 km (0.116 R)
• M41: 51,844,339 km (0.102 R)
• M42: 59,666,512 km (0.106 R)
• M43: 62,569,908 km (0.049 R)
• M44: 64,557,016 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191

Radius: 6.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.97 AU - 10.35 AU

Year: 18187 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,182,419 km

• M1: 80,633 km (0.076 R)
• M2: 316,549 km (0.085 R)
• M3: 676,332 km (0.098 R)
• M4: 1,215,632 km (0.089 R)
• M5: 1,942,828 km (0.093 R)
• M6: 2,496,788 km (0.118 R)
• M7: 3,038,183 km (0.1 R)
• M8: 3,266,320 km (0.074 R)
• M9: 3,782,881 km (0.108 R)
• M10: 5,327,928 km (0.073 R)
• M11: 6,628,682 km (0.048 R)
• M12: 7,013,896 km (0.047 R)
• M13: 7,373,230 km (0.115 R)
• M14: 8,525,134 km (0.112 R)
• M15: 8,842,281 km (0.112 R)
• M16: 14,532,087 km (0.108 R)
• M17: 15,447,327 km (0.066 R)
• M18: 18,348,328 km (0.078 R)
• M19: 19,966,080 km (0.088 R)
• M20: 25,854,850 km (0.105 R)
• M21: 27,489,506 km (0.076 R)
• M22: 28,482,387 km (0.042 R)
• M23: 29,912,543 km (0.059 R)
• M24: 31,820,813 km (0.048 R)
• M25: 33,025,974 km (0.03 R)
• M26: 34,489,191 km (0.114 R)
• M27: 38,274,166 km (0.092 R)
• M28: 44,186,723 km (0.103 R)
• M29: 44,863,953 km (0.105 R)
• M30: 45,685,694 km (0.111 R)
• M31: 46,378,033 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.5

Radius: 7.6

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.17 AU - 10.89 AU

Year: 22416 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,182,419 km

• M1: 95,144 km (0.119 R)
• M2: 568,771 km (0.101 R)
• M3: 808,427 km (0.091 R)
• M4: 2,166,626 km (0.081 R)
• M5: 2,456,846 km (0.052 R)
• M6: 3,428,783 km (0.078 R)
• M7: 8,279,345 km (0.099 R)
• M8: 9,220,614 km (0.078 R)
• M9: 10,048,040 km (0.108 R)
• M10: 10,923,936 km (0.055 R)
• M11: 12,613,344 km (0.092 R)
• M12: 14,547,495 km (0.104 R)
• M13: 15,020,524 km (0.099 R)
• M14: 20,232,214 km (0.107 R)
• M15: 22,034,420 km (0.109 R)
• M16: 23,724,128 km (0.06 R)
• M17: 24,379,516 km (0.086 R)
• M18: 31,089,429 km (0.072 R)
• M19: 35,853,673 km (0.051 R)
• M20: 36,571,743 km (0.067 R)
• M21: 37,007,072 km (0.068 R)
• M22: 39,387,773 km (0.118 R)
• M23: 40,306,304 km (0.081 R)
• M24: 40,926,537 km (0.041 R)
• M25: 42,186,151 km (0.066 R)
• M26: 42,825,382 km (0.11 R)
• M27: 43,309,182 km (0.093 R)
• M28: 51,371,310 km (0.051 R)
• M29: 58,578,188 km (0.076 R)
• M30: 61,804,116 km (0.091 R)
• M31: 63,043,834 km (0.117 R)
• M32: 74,722,790 km (0.111 R)
• M33: 77,315,022 km (0.044 R)
• M34: 78,753,854 km (0.068 R)
• M35: 81,684,925 km (0.059 R)
• M36: 81,932,360 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 15,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit