🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 12.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.06 AU - 1.26 AU

Year: 878 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,616,227 km

• M1: 153,039 km (0.117 R)
• M2: 596,297 km (0.098 R)
• M3: 1,028,934 km (0.114 R)
• M4: 1,823,748 km (0.115 R)
• M5: 2,232,748 km (0.042 R)
• M6: 3,057,930 km (0.09 R)
• M7: 3,513,755 km (0.072 R)
• M8: 3,923,055 km (0.083 R)
• M9: 4,348,062 km (0.045 R)
• M10: 5,772,234 km (0.106 R)
• M11: 6,711,559 km (0.112 R)
• M12: 7,322,517 km (0.091 R)
• M13: 8,371,946 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 12.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.05 AU - 1.35 AU

Year: 924 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,616,227 km

• M1: 154,385 km (0.057 R)
• M2: 597,195 km (0.114 R)
• M3: 1,184,067 km (0.086 R)
• M4: 1,649,466 km (0.066 R)
• M5: 2,040,216 km (0.087 R)
• M6: 2,540,321 km (0.105 R)
• M7: 3,135,422 km (0.043 R)
• M8: 3,547,863 km (0.095 R)
• M9: 4,210,133 km (0.092 R)
• M10: 4,696,326 km (0.104 R)
• M11: 6,384,987 km (0.078 R)
• M12: 7,367,097 km (0.112 R)
• M13: 7,817,686 km (0.094 R)
• M14: 9,367,968 km (0.082 R)
• M15: 9,837,855 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 14

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.52 AU - 2.4 AU

Year: 1929 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,616,227 km

• M1: 175,329 km (0.111 R)
• M2: 938,278 km (0.096 R)
• M3: 1,389,016 km (0.093 R)
• M4: 1,840,652 km (0.061 R)
• M5: 2,403,888 km (0.049 R)
• M6: 3,295,641 km (0.1 R)
• M7: 3,851,696 km (0.102 R)
• M8: 4,416,129 km (0.048 R)
• M9: 4,996,419 km (0.066 R)
• M10: 5,995,434 km (0.09 R)
• M11: 7,224,081 km (0.073 R)
• M12: 9,343,135 km (0.088 R)
• M13: 11,295,088 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.3

Radius: 11.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.36 AU - 2.5 AU

Year: 2663 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,616,227 km

• M1: 145,559 km (0.048 R)
• M2: 735,872 km (0.093 R)
• M3: 1,268,740 km (0.09 R)
• M4: 1,644,230 km (0.117 R)
• M5: 2,901,152 km (0.063 R)
• M6: 3,936,518 km (0.095 R)
• M7: 4,332,055 km (0.11 R)
• M8: 6,418,048 km (0.099 R)
• M9: 6,821,813 km (0.085 R)
• M10: 8,136,329 km (0.055 R)
• M11: 8,984,699 km (0.025 R)
• M12: 10,206,614 km (0.109 R)
• M13: 10,593,923 km (0.074 R)
• M14: 11,091,934 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 4.7

Gravity: 30.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.28 AU - 5.68 AU

Year: 9017 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,616,227 km

• M1: 58,493 km (0.096 R)
• M2: 229,633 km (0.077 R)
• M3: 428,598 km (0.11 R)
• M4: 693,237 km (0.095 R)
• M5: 919,578 km (0.106 R)
• M6: 1,428,061 km (0.034 R)
• M7: 1,591,123 km (0.091 R)
• M8: 1,922,781 km (0.069 R)
• M9: 4,535,209 km (0.085 R)
• M10: 5,263,152 km (0.116 R)
• M11: 5,823,845 km (0.1 R)
• M12: 6,207,264 km (0.104 R)
• M13: 9,854,909 km (0.067 R)
• M14: 11,874,181 km (0.113 R)
• M15: 14,091,521 km (0.091 R)
• M16: 14,340,003 km (0.092 R)
• M17: 14,528,197 km (0.08 R)
• M18: 18,647,075 km (0.087 R)
• M19: 19,249,057 km (0.104 R)
• M20: 21,952,740 km (0.088 R)
• M21: 22,539,163 km (0.094 R)
• M22: 24,361,116 km (0.064 R)
• M23: 28,196,655 km (0.102 R)
• M24: 28,989,225 km (0.06 R)
• M25: 31,035,574 km (0.087 R)
• M26: 42,464,852 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.7

Radius: 4.7

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.15 AU - 6.43 AU

Year: 9793 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 94.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,616,227 km

• M1: 58,642 km (0.092 R)
• M2: 273,764 km (0.08 R)
• M3: 521,199 km (0.102 R)
• M4: 781,050 km (0.117 R)
• M5: 1,335,311 km (0.12 R)
• M6: 1,482,515 km (0.109 R)
• M7: 1,944,623 km (0.109 R)
• M8: 2,184,129 km (0.095 R)
• M9: 2,940,197 km (0.117 R)
• M10: 3,256,297 km (0.104 R)
• M11: 5,216,029 km (0.091 R)
• M12: 5,774,777 km (0.056 R)
• M13: 6,406,828 km (0.057 R)
• M14: 6,721,881 km (0.071 R)
• M15: 8,330,357 km (0.096 R)
• M16: 8,621,176 km (0.104 R)
• M17: 9,489,891 km (0.033 R)
• M18: 10,131,665 km (0.092 R)
• M19: 10,511,195 km (0.087 R)
• M20: 13,381,081 km (0.118 R)
• M21: 15,208,868 km (0.118 R)
• M22: 18,496,879 km (0.072 R)
• M23: 19,568,598 km (0.045 R)
• M24: 20,156,817 km (0.104 R)
• M25: 21,291,367 km (0.074 R)
• M26: 21,756,766 km (0.05 R)
• M27: 24,102,910 km (0.079 R)
• M28: 25,207,241 km (0.114 R)
• M29: 28,161,201 km (0.09 R)
• M30: 29,290,216 km (0.073 R)
• M31: 31,738,684 km (0.116 R)
• M32: 34,959,676 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.7

Radius: 4.4

Gravity: 23.07 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.4 AU - 8.46 AU

Year: 14236 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,616,227 km

• M1: 55,351 km (0.098 R)
• M2: 221,704 km (0.114 R)
• M3: 507,436 km (0.084 R)
• M4: 1,650,663 km (0.075 R)
• M5: 1,943,127 km (0.063 R)
• M6: 2,716,398 km (0.083 R)
• M7: 2,983,879 km (0.117 R)
• M8: 3,783,330 km (0.026 R)
• M9: 4,145,806 km (0.096 R)
• M10: 4,439,915 km (0.101 R)
• M11: 6,049,588 km (0.066 R)
• M12: 7,443,242 km (0.084 R)
• M13: 8,514,213 km (0.091 R)
• M14: 8,845,124 km (0.069 R)
• M15: 9,482,111 km (0.107 R)
• M16: 10,254,336 km (0.091 R)
• M17: 10,846,893 km (0.047 R)
• M18: 12,517,751 km (0.09 R)
• M19: 14,155,100 km (0.108 R)
• M20: 16,431,980 km (0.09 R)
• M21: 16,577,239 km (0.115 R)
• M22: 17,847,774 km (0.106 R)
• M23: 20,580,628 km (0.052 R)
• M24: 23,121,697 km (0.064 R)
• M25: 23,487,913 km (0.079 R)
• M26: 24,137,916 km (0.085 R)
• M27: 24,420,207 km (0.1 R)
• M28: 25,668,601 km (0.117 R)
• M29: 27,161,289 km (0.114 R)
• M30: 27,877,264 km (0.097 R)
• M31: 29,668,250 km (0.073 R)
• M32: 34,538,109 km (0.102 R)
• M33: 35,378,251 km (0.063 R)
• M34: 40,706,478 km (0.117 R)
• M35: 40,972,762 km (0.098 R)
• M36: 44,540,821 km (0.082 R)
• M37: 45,249,915 km (0.062 R)
• M38: 47,275,470 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293

Radius: 4.1

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.41 AU - 8.45 AU

Year: 14236 Days

Day: 17.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,616,227 km

• M1: 51,312 km (0.077 R)
• M2: 326,273 km (0.106 R)
• M3: 492,177 km (0.059 R)
• M4: 682,166 km (0.031 R)
• M5: 1,021,305 km (0.113 R)
• M6: 1,491,491 km (0.083 R)
• M7: 1,676,693 km (0.06 R)
• M8: 1,813,874 km (0.108 R)
• M9: 2,363,497 km (0.109 R)
• M10: 2,575,926 km (0.108 R)
• M11: 4,019,994 km (0.051 R)
• M12: 4,465,796 km (0.052 R)
• M13: 4,730,584 km (0.038 R)
• M14: 6,433,157 km (0.096 R)
• M15: 7,239,639 km (0.051 R)
• M16: 11,851,143 km (0.046 R)
• M17: 12,938,869 km (0.114 R)
• M18: 14,918,348 km (0.117 R)
• M19: 17,883,827 km (0.102 R)
• M20: 19,157,204 km (0.092 R)
• M21: 20,570,006 km (0.111 R)
• M22: 21,301,690 km (0.111 R)
• M23: 23,076,369 km (0.12 R)
• M24: 24,493,061 km (0.057 R)
• M25: 25,407,254 km (0.054 R)
• M26: 25,779,154 km (0.076 R)
• M27: 26,154,794 km (0.093 R)
• M28: 27,791,844 km (0.12 R)
• M29: 29,803,636 km (0.083 R)
• M30: 37,607,708 km (0.047 R)
• M31: 39,192,697 km (0.06 R)
• M32: 43,547,491 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.1

Radius: 7.1

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.71 AU - 10.67 AU

Year: 18007 Days

Day: 18 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,616,227 km

• M1: 88,412 km (0.107 R)
• M2: 610,060 km (0.065 R)
• M3: 1,187,508 km (0.065 R)
• M4: 1,775,428 km (0.066 R)
• M5: 2,083,898 km (0.073 R)
• M6: 2,427,674 km (0.068 R)
• M7: 3,174,766 km (0.06 R)
• M8: 4,098,383 km (0.034 R)
• M9: 5,948,011 km (0.118 R)
• M10: 6,507,807 km (0.075 R)
• M11: 6,777,681 km (0.086 R)
• M12: 10,940,092 km (0.101 R)
• M13: 12,453,724 km (0.076 R)
• M14: 13,513,026 km (0.119 R)
• M15: 15,569,249 km (0.057 R)
• M16: 16,134,579 km (0.11 R)
• M17: 16,965,745 km (0.036 R)
• M18: 18,177,039 km (0.041 R)
• M19: 18,894,510 km (0.043 R)
• M20: 20,770,767 km (0.114 R)
• M21: 25,998,016 km (0.087 R)
• M22: 41,053,545 km (0.074 R)
• M23: 42,443,010 km (0.073 R)
• M24: 48,655,959 km (0.091 R)
• M25: 51,978,229 km (0.116 R)
• M26: 58,488,280 km (0.097 R)
• M27: 63,866,622 km (0.111 R)
• M28: 64,690,458 km (0.111 R)
• M29: 75,823,681 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 3.9

Gravity: 33.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.52 AU - 10.02 AU

Year: 18256 Days

Day: 19.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,616,227 km

• M1: 48,470 km (0.09 R)
• M2: 412,591 km (0.062 R)
• M3: 952,340 km (0.096 R)
• M4: 1,131,708 km (0.068 R)
• M5: 2,699,942 km (0.069 R)
• M6: 3,997,704 km (0.071 R)
• M7: 5,040,102 km (0.038 R)
• M8: 6,130,521 km (0.085 R)
• M9: 7,975,062 km (0.102 R)
• M10: 10,215,590 km (0.105 R)
• M11: 12,516,555 km (0.116 R)
• M12: 19,642,500 km (0.103 R)
• M13: 21,630,655 km (0.074 R)
• M14: 25,790,823 km (0.093 R)
• M15: 29,640,724 km (0.1 R)
• M16: 33,107,206 km (0.119 R)
• M17: 35,001,863 km (0.052 R)
• M18: 38,867,322 km (0.097 R)
• M19: 39,282,755 km (0.034 R)
• M20: 40,122,448 km (0.051 R)
• M21: 41,982,847 km (0.115 R)
• M22: 43,007,892 km (0.089 R)
• M23: 44,199,738 km (0.104 R)
• M24: 44,955,806 km (0.107 R)
• M25: 48,384,739 km (0.118 R)
• M26: 50,490,777 km (0.066 R)
• M27: 53,335,830 km (0.094 R)
• M28: 60,447,862 km (0.099 R)
• M29: 62,508,872 km (0.073 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: 463 - 13,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit