🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 9.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.64 AU - 0.74 AU

Year: 382 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 74,642,462 km

• M1: 118,631 km (0.115 R)
• M2: 492,027 km (0.109 R)
• M3: 1,985,762 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.6

Radius: 9.3

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.75 AU - 1.13 AU

Year: 608 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,642,462 km

• M1: 115,639 km (0.07 R)
• M2: 565,480 km (0.115 R)
• M3: 969,693 km (0.079 R)
• M4: 1,313,170 km (0.091 R)
• M5: 1,625,680 km (0.073 R)
• M6: 2,108,582 km (0.066 R)
• M7: 2,405,085 km (0.076 R)
• M8: 2,974,155 km (0.077 R)
• M9: 3,323,167 km (0.097 R)
• M10: 3,755,804 km (0.09 R)
• M11: 4,411,641 km (0.096 R)
• M12: 4,850,711 km (0.116 R)
• M13: 5,609,920 km (0.111 R)
• M14: 6,715,000 km (0.119 R)
• M15: 7,430,825 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 8.1

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.37 AU - 2.11 AU

Year: 1531 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,642,462 km

• M1: 101,278 km (0.068 R)
• M2: 379,231 km (0.058 R)
• M3: 637,885 km (0.084 R)
• M4: 891,753 km (0.034 R)
• M5: 1,376,899 km (0.081 R)
• M6: 1,708,258 km (0.096 R)
• M7: 1,986,061 km (0.092 R)
• M8: 2,282,714 km (0.108 R)
• M9: 2,790,150 km (0.082 R)
• M10: 3,811,754 km (0.092 R)
• M11: 4,398,477 km (0.101 R)
• M12: 5,124,026 km (0.106 R)
• M13: 5,686,365 km (0.062 R)
• M14: 7,968,630 km (0.073 R)
• M15: 8,868,012 km (0.058 R)
• M16: 9,678,234 km (0.117 R)
• M17: 10,149,168 km (0.119 R)
• M18: 11,549,404 km (0.106 R)
• M19: 11,865,505 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 8.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.53 AU - 2.25 AU

Year: 1733 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 53.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,642,462 km

• M1: 109,805 km (0.094 R)
• M2: 424,858 km (0.079 R)
• M3: 840,590 km (0.102 R)
• M4: 1,173,894 km (0.079 R)
• M5: 1,743,414 km (0.094 R)
• M6: 2,421,690 km (0.091 R)
• M7: 4,821,390 km (0.091 R)
• M8: 5,137,041 km (0.097 R)
• M9: 8,037,146 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 13.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.66 AU - 3.98 AU

Year: 4034 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,642,462 km

• M1: 172,935 km (0.075 R)
• M2: 766,839 km (0.099 R)
• M3: 1,209,050 km (0.114 R)
• M4: 2,028,248 km (0.095 R)
• M5: 2,556,777 km (0.105 R)
• M6: 3,077,976 km (0.082 R)
• M7: 3,839,280 km (0.082 R)
• M8: 4,527,729 km (0.036 R)
• M9: 6,393,813 km (0.119 R)
• M10: 7,393,875 km (0.096 R)
• M11: 8,594,996 km (0.11 R)
• M12: 9,959,329 km (0.05 R)
• M13: 10,559,067 km (0.068 R)
• M14: 11,103,453 km (0.116 R)
• M15: 11,955,413 km (0.117 R)
• M16: 13,158,629 km (0.047 R)
• M17: 14,393,858 km (0.063 R)
• M18: 17,200,464 km (0.056 R)
• M19: 17,791,824 km (0.083 R)
• M20: 18,676,397 km (0.098 R)
• M21: 19,301,267 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 13.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.47 AU - 4.19 AU

Year: 4998 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,642,462 km

• M1: 251,474 km (0.1 R)
• M2: 1,161,627 km (0.11 R)
• M3: 1,634,806 km (0.114 R)
• M4: 2,989,414 km (0.047 R)
• M5: 4,276,554 km (0.101 R)
• M6: 5,905,825 km (0.117 R)
• M7: 7,343,610 km (0.107 R)
• M8: 8,056,893 km (0.07 R)
• M9: 8,667,850 km (0.088 R)
• M10: 12,292,008 km (0.068 R)
• M11: 14,256,677 km (0.117 R)
• M12: 16,881,073 km (0.026 R)
• M13: 18,429,859 km (0.111 R)
• M14: 19,302,164 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.2

Radius: 3.8

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.87 AU - 7.79 AU

Year: 10620 Days

Day: 18.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,642,462 km

• M1: 85,869 km (0.083 R)
• M2: 347,366 km (0.076 R)
• M3: 473,028 km (0.105 R)
• M4: 712,834 km (0.062 R)
• M5: 1,134,849 km (0.055 R)
• M6: 1,271,731 km (0.102 R)
• M7: 1,394,103 km (0.042 R)
• M8: 1,917,246 km (0.045 R)
• M9: 2,284,808 km (0.097 R)
• M10: 2,485,269 km (0.092 R)
• M11: 2,737,342 km (0.07 R)
• M12: 3,383,904 km (0.091 R)
• M13: 4,233,171 km (0.091 R)
• M14: 5,340,494 km (0.119 R)
• M15: 6,555,079 km (0.071 R)
• M16: 7,303,966 km (0.088 R)
• M17: 8,191,531 km (0.059 R)
• M18: 8,748,633 km (0.113 R)
• M19: 9,514,574 km (0.074 R)
• M20: 9,985,508 km (0.075 R)
• M21: 10,821,461 km (0.075 R)
• M22: 11,075,927 km (0.118 R)
• M23: 13,549,079 km (0.106 R)
• M24: 16,167,790 km (0.112 R)
• M25: 16,634,685 km (0.116 R)
• M26: 18,018,316 km (0.077 R)
• M27: 20,933,230 km (0.085 R)
• M28: 24,061,322 km (0.059 R)
• M29: 24,582,072 km (0.061 R)
• M30: 25,110,302 km (0.062 R)
• M31: 26,648,018 km (0.097 R)
• M32: 29,119,525 km (0.068 R)
• M33: 30,310,174 km (0.12 R)
• M34: 31,326,692 km (0.103 R)
• M35: 32,260,930 km (0.086 R)
• M36: 33,106,757 km (0.106 R)
• M37: 33,427,644 km (0.061 R)
• M38: 34,952,944 km (0.092 R)
• M39: 35,957,643 km (0.099 R)
• M40: 40,534,291 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.4

Radius: 6.2

Gravity: 23.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.86 AU - 8.46 AU

Year: 12776 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,642,462 km

• M1: 77,342 km (0.053 R)
• M2: 395,238 km (0.115 R)
• M3: 758,461 km (0.118 R)
• M4: 1,120,189 km (0.083 R)
• M5: 1,313,619 km (0.117 R)
• M6: 1,769,593 km (0.079 R)
• M7: 3,265,871 km (0.075 R)
• M8: 3,529,313 km (0.044 R)
• M9: 4,312,009 km (0.053 R)
• M10: 4,760,803 km (0.101 R)
• M11: 5,903,431 km (0.088 R)
• M12: 6,215,492 km (0.106 R)
• M13: 7,620,516 km (0.067 R)
• M14: 8,470,082 km (0.11 R)
• M15: 13,684,166 km (0.093 R)
• M16: 13,955,836 km (0.099 R)
• M17: 15,295,784 km (0.111 R)
• M18: 18,147,269 km (0.101 R)
• M19: 23,785,014 km (0.047 R)
• M20: 26,312,171 km (0.109 R)
• M21: 28,348,647 km (0.046 R)
• M22: 28,569,005 km (0.088 R)
• M23: 29,349,008 km (0.11 R)
• M24: 37,547,270 km (0.119 R)
• M25: 46,687,401 km (0.078 R)
• M26: 48,237,534 km (0.096 R)
• M27: 50,464,897 km (0.106 R)
• M28: 52,759,878 km (0.116 R)
• M29: 58,621,272 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.3

Radius: 5.3

Gravity: 26.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.78 AU - 11.28 AU

Year: 21183 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,642,462 km

• M1: 66,122 km (0.113 R)
• M2: 339,886 km (0.092 R)
• M3: 828,473 km (0.108 R)
• M4: 1,066,483 km (0.085 R)
• M5: 1,984,865 km (0.055 R)
• M6: 2,391,771 km (0.084 R)
• M7: 2,776,088 km (0.109 R)
• M8: 3,821,777 km (0.109 R)
• M9: 4,013,262 km (0.09 R)
• M10: 6,037,172 km (0.092 R)
• M11: 7,512,506 km (0.066 R)
• M12: 7,712,369 km (0.06 R)
• M13: 8,018,895 km (0.097 R)
• M14: 12,014,803 km (0.118 R)
• M15: 12,636,383 km (0.093 R)
• M16: 14,169,462 km (0.094 R)
• M17: 15,904,198 km (0.075 R)
• M18: 16,400,863 km (0.029 R)
• M19: 16,568,712 km (0.104 R)
• M20: 20,171,029 km (0.03 R)
• M21: 21,246,039 km (0.053 R)
• M22: 22,668,865 km (0.08 R)
• M23: 23,086,841 km (0.109 R)
• M24: 23,938,053 km (0.114 R)
• M25: 26,732,840 km (0.099 R)
• M26: 31,644,587 km (0.088 R)
• M27: 33,902,617 km (0.096 R)
• M28: 34,862,737 km (0.098 R)
• M29: 38,145,213 km (0.029 R)
• M30: 42,097,140 km (0.115 R)
• M31: 51,518,365 km (0.072 R)
• M32: 54,821,037 km (0.1 R)
• M33: 61,844,508 km (0.102 R)
• M34: 62,251,414 km (0.118 R)
• M35: 79,789,221 km (0.039 R)
• M36: 80,998,421 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.2

Radius: 3.1

Gravity: 51.84 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.81 AU - 11.25 AU

Year: 22786 Days

Day: 24.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,642,462 km

• M1: 38,596 km (0.08 R)
• M2: 167,400 km (0.036 R)
• M3: 411,544 km (0.087 R)
• M4: 635,342 km (0.066 R)
• M5: 888,312 km (0.1 R)
• M6: 1,149,211 km (0.081 R)
• M7: 1,349,822 km (0.101 R)
• M8: 2,575,926 km (0.114 R)
• M9: 2,818,274 km (0.063 R)
• M10: 3,490,418 km (0.111 R)
• M11: 4,036,001 km (0.068 R)
• M12: 4,885,118 km (0.105 R)
• M13: 5,725,260 km (0.107 R)
• M14: 7,491,263 km (0.07 R)
• M15: 8,392,740 km (0.075 R)
• M16: 10,468,111 km (0.083 R)
• M17: 10,957,745 km (0.101 R)
• M18: 11,082,659 km (0.061 R)
• M19: 11,785,919 km (0.096 R)
• M20: 17,818,752 km (0.067 R)
• M21: 18,339,951 km (0.043 R)
• M22: 22,077,205 km (0.094 R)
• M23: 24,334,038 km (0.09 R)
• M24: 25,737,566 km (0.078 R)
• M25: 26,966,363 km (0.08 R)
• M26: 28,586,208 km (0.098 R)
• M27: 38,956,482 km (0.107 R)
• M28: 44,256,585 km (0.06 R)
• M29: 52,101,946 km (0.111 R)
• M30: 58,511,467 km (0.104 R)
• M31: 59,853,360 km (0.066 R)
• M32: 73,750,853 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 18,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit