🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 11.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,670,110 km

• M1: 139,276 km (0.08 R)
• M2: 500,704 km (0.114 R)
• M3: 881,131 km (0.107 R)
• M4: 1,339,051 km (0.079 R)
• M5: 1,793,678 km (0.05 R)
• M6: 2,257,432 km (0.081 R)
• M7: 2,732,704 km (0.108 R)
• M8: 3,124,651 km (0.073 R)
• M9: 3,508,369 km (0.116 R)
• M10: 4,266,382 km (0.05 R)
• M11: 4,754,669 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 13.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.19 AU - 1.91 AU

Year: 1287 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,670,110 km

• M1: 164,258 km (0.098 R)
• M2: 728,691 km (0.119 R)
• M3: 1,142,479 km (0.104 R)
• M4: 1,868,926 km (0.051 R)
• M5: 3,028,758 km (0.048 R)
• M6: 3,594,089 km (0.068 R)
• M7: 6,091,177 km (0.079 R)
• M8: 6,545,655 km (0.06 R)
• M9: 7,256,843 km (0.1 R)
• M10: 8,047,318 km (0.093 R)
• M11: 8,985,297 km (0.047 R)
• M12: 12,580,134 km (0.115 R)
• M13: 13,280,551 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 10

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.65 AU - 2.65 AU

Year: 2102 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,670,110 km

• M1: 124,765 km (0.101 R)
• M2: 536,458 km (0.114 R)
• M3: 937,231 km (0.099 R)
• M4: 1,732,044 km (0.108 R)
• M5: 2,940,496 km (0.098 R)
• M6: 3,758,347 km (0.049 R)
• M7: 4,155,081 km (0.119 R)
• M8: 5,270,931 km (0.031 R)
• M9: 5,676,491 km (0.082 R)
• M10: 6,423,882 km (0.104 R)
• M11: 6,756,289 km (0.041 R)
• M12: 7,708,778 km (0.077 R)
• M13: 8,084,568 km (0.035 R)
• M14: 9,811,825 km (0.112 R)
• M15: 10,637,905 km (0.034 R)
• M16: 11,962,893 km (0.093 R)
• M17: 12,428,142 km (0.097 R)
• M18: 13,560,598 km (0.087 R)
• M19: 13,896,445 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 8.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.89 AU - 4.59 AU

Year: 4823 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,670,110 km

• M1: 111,600 km (0.106 R)
• M2: 394,340 km (0.054 R)
• M3: 693,985 km (0.064 R)
• M4: 1,663,080 km (0.086 R)
• M5: 2,912,072 km (0.082 R)
• M6: 3,787,968 km (0.119 R)
• M7: 4,224,943 km (0.097 R)
• M8: 4,563,483 km (0.093 R)
• M9: 5,689,506 km (0.119 R)
• M10: 7,495,901 km (0.092 R)
• M11: 9,019,854 km (0.107 R)
• M12: 9,909,812 km (0.102 R)
• M13: 14,435,297 km (0.111 R)
• M14: 15,451,814 km (0.097 R)
• M15: 17,038,449 km (0.064 R)
• M16: 17,734,977 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 13.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.46 AU - 4.18 AU

Year: 4979 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,670,110 km

• M1: 175,927 km (0.081 R)
• M2: 686,505 km (0.108 R)
• M3: 1,575,415 km (0.109 R)
• M4: 3,325,411 km (0.107 R)
• M5: 3,757,300 km (0.074 R)
• M6: 4,204,598 km (0.094 R)
• M7: 4,783,691 km (0.114 R)
• M8: 5,284,994 km (0.052 R)
• M9: 6,131,718 km (0.108 R)
• M10: 6,878,809 km (0.117 R)
• M11: 8,447,642 km (0.098 R)
• M12: 9,723,114 km (0.092 R)
• M13: 10,489,952 km (0.096 R)
• M14: 11,515,745 km (0.113 R)
• M15: 14,526,701 km (0.097 R)
• M16: 17,205,850 km (0.05 R)
• M17: 23,595,025 km (0.037 R)
• M18: 24,317,283 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 11.8

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.44 AU - 5 AU

Year: 6838 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,670,110 km

• M1: 146,756 km (0.094 R)
• M2: 831,914 km (0.072 R)
• M3: 1,608,776 km (0.084 R)
• M4: 2,055,924 km (0.069 R)
• M5: 3,090,692 km (0.105 R)
• M6: 4,899,629 km (0.048 R)
• M7: 9,739,121 km (0.116 R)
• M8: 10,775,385 km (0.113 R)
• M9: 11,359,864 km (0.036 R)
• M10: 14,279,566 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.8

Radius: 7.2

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.93 AU - 6.99 AU

Year: 10949 Days

Day: 16.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 28,670,110 km

• M1: 89,609 km (0.098 R)
• M2: 367,263 km (0.112 R)
• M3: 739,612 km (0.1 R)
• M4: 1,165,816 km (0.091 R)
• M5: 1,469,350 km (0.071 R)
• M6: 1,873,564 km (0.107 R)
• M7: 2,146,729 km (0.043 R)
• M8: 2,647,733 km (0.082 R)
• M9: 3,567,610 km (0.088 R)
• M10: 4,356,888 km (0.087 R)
• M11: 5,061,794 km (0.062 R)
• M12: 5,424,568 km (0.081 R)
• M13: 6,972,158 km (0.043 R)
• M14: 8,746,539 km (0.042 R)
• M15: 10,536,028 km (0.074 R)
• M16: 11,293,442 km (0.109 R)
• M17: 13,345,476 km (0.113 R)
• M18: 14,296,470 km (0.111 R)
• M19: 15,156,658 km (0.075 R)
• M20: 18,865,787 km (0.117 R)
• M21: 19,738,392 km (0.061 R)
• M22: 23,049,292 km (0.105 R)
• M23: 25,260,797 km (0.028 R)
• M24: 25,931,594 km (0.061 R)
• M25: 28,630,489 km (0.091 R)
• M26: 32,176,258 km (0.041 R)
• M27: 33,078,034 km (0.079 R)
• M28: 33,649,947 km (0.083 R)
• M29: 38,466,250 km (0.088 R)
• M30: 38,844,882 km (0.05 R)
• M31: 42,366,117 km (0.068 R)
• M32: 42,635,094 km (0.116 R)
• M33: 44,688,923 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.1

Radius: 7.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.4 AU - 8 AU

Year: 12883 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,670,110 km

• M1: 96,939 km (0.093 R)
• M2: 392,545 km (0.099 R)
• M3: 640,578 km (0.111 R)
• M4: 1,028,336 km (0.075 R)
• M5: 1,336,507 km (0.111 R)
• M6: 1,677,740 km (0.066 R)
• M7: 2,632,923 km (0.102 R)
• M8: 3,565,067 km (0.095 R)
• M9: 4,501,550 km (0.098 R)
• M10: 7,748,721 km (0.092 R)
• M11: 8,460,358 km (0.062 R)
• M12: 16,873,443 km (0.109 R)
• M13: 23,232,400 km (0.071 R)
• M14: 27,841,061 km (0.098 R)
• M15: 29,603,175 km (0.107 R)
• M16: 31,024,055 km (0.111 R)
• M17: 36,355,574 km (0.059 R)
• M18: 39,297,266 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936

Radius: 7.6

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.49 AU - 9.29 AU

Year: 17676 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 28,670,110 km

• M1: 215,720 km (0.108 R)
• M2: 503,696 km (0.081 R)
• M3: 763,548 km (0.063 R)
• M4: 1,181,674 km (0.052 R)
• M5: 1,589,477 km (0.07 R)
• M6: 2,108,732 km (0.096 R)
• M7: 2,687,376 km (0.109 R)
• M8: 4,423,759 km (0.03 R)
• M9: 5,102,335 km (0.092 R)
• M10: 6,226,413 km (0.11 R)
• M11: 7,362,160 km (0.058 R)
• M12: 7,903,256 km (0.087 R)
• M13: 9,802,550 km (0.109 R)
• M14: 10,518,525 km (0.077 R)
• M15: 11,591,591 km (0.075 R)
• M16: 13,015,912 km (0.06 R)
• M17: 14,027,942 km (0.107 R)
• M18: 14,477,484 km (0.098 R)
• M19: 15,091,583 km (0.103 R)
• M20: 16,954,076 km (0.112 R)
• M21: 18,514,681 km (0.084 R)
• M22: 20,645,254 km (0.114 R)
• M23: 23,979,940 km (0.116 R)
• M24: 24,730,772 km (0.097 R)
• M25: 25,276,655 km (0.116 R)
• M26: 25,830,466 km (0.081 R)
• M27: 28,126,943 km (0.095 R)
• M28: 30,183,315 km (0.069 R)
• M29: 33,386,206 km (0.098 R)
• M30: 35,137,997 km (0.117 R)
• M31: 44,662,743 km (0.066 R)
• M32: 45,147,141 km (0.081 R)
• M33: 47,790,087 km (0.114 R)
• M34: 49,838,830 km (0.1 R)
• M35: 53,927,938 km (0.025 R)
• M36: 58,427,393 km (0.104 R)
• M37: 61,363,102 km (0.114 R)
• M38: 64,190,502 km (0.118 R)
• M39: 64,807,443 km (0.06 R)
• M40: 74,542,375 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.6

Radius: 6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.1 AU - 10.72 AU

Year: 17736 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,670,110 km

• M1: 74,649 km (0.096 R)
• M2: 375,042 km (0.095 R)
• M3: 650,003 km (0.033 R)
• M4: 2,238,882 km (0.074 R)
• M5: 3,670,533 km (0.09 R)
• M6: 8,598,287 km (0.06 R)
• M7: 9,550,478 km (0.118 R)
• M8: 10,137,201 km (0.112 R)
• M9: 12,627,407 km (0.103 R)
• M10: 16,722,349 km (0.067 R)
• M11: 27,236,387 km (0.099 R)
• M12: 27,485,766 km (0.091 R)
• M13: 28,328,302 km (0.046 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 13,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit