🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.64 AU - 1.04 AU

Year: 505 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,269,000 km

• M1: 101,278 km (0.086 R)
• M2: 273,465 km (0.104 R)
• M3: 500,106 km (0.063 R)
• M4: 726,896 km (0.084 R)
• M5: 902,973 km (0.064 R)
• M6: 1,075,309 km (0.083 R)
• M7: 1,268,440 km (0.089 R)
• M8: 1,688,212 km (0.103 R)
• M9: 1,853,667 km (0.087 R)
• M10: 2,568,895 km (0.088 R)
• M11: 2,919,851 km (0.071 R)
• M12: 3,235,353 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 12.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.38 AU - 2.4 AU

Year: 2424 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,269,000 km

• M1: 168,746 km (0.034 R)
• M2: 420,669 km (0.1 R)
• M3: 675,285 km (0.108 R)
• M4: 1,044,492 km (0.087 R)
• M5: 1,628,373 km (0.093 R)
• M6: 1,963,921 km (0.088 R)
• M7: 2,191,160 km (0.083 R)
• M8: 2,456,547 km (0.111 R)
• M9: 2,738,090 km (0.115 R)
• M10: 3,035,939 km (0.094 R)
• M11: 3,513,007 km (0.05 R)
• M12: 4,372,447 km (0.072 R)
• M13: 5,292,473 km (0.117 R)
• M14: 6,201,879 km (0.055 R)
• M15: 6,778,878 km (0.036 R)
• M16: 7,055,784 km (0.096 R)
• M17: 7,338,224 km (0.041 R)
• M18: 7,648,790 km (0.094 R)
• M19: 8,080,679 km (0.08 R)
• M20: 8,501,198 km (0.102 R)
• M21: 9,801,952 km (0.085 R)
• M22: 11,034,339 km (0.043 R)
• M23: 11,636,620 km (0.052 R)
• M24: 12,628,155 km (0.096 R)
• M25: 13,781,405 km (0.072 R)
• M26: 14,703,227 km (0.085 R)
• M27: 15,751,908 km (0.078 R)
• M28: 16,240,794 km (0.063 R)
• M29: 16,471,474 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 9.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.62 AU - 3.16 AU

Year: 3223 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,269,000 km

• M1: 122,371 km (0.079 R)
• M2: 355,445 km (0.096 R)
• M3: 614,249 km (0.114 R)
• M4: 1,559,558 km (0.072 R)
• M5: 1,815,071 km (0.063 R)
• M6: 2,170,665 km (0.119 R)
• M7: 3,289,956 km (0.112 R)
• M8: 3,542,926 km (0.092 R)
• M9: 3,949,833 km (0.077 R)
• M10: 4,265,185 km (0.076 R)
• M11: 4,872,403 km (0.087 R)
• M12: 5,739,322 km (0.068 R)
• M13: 7,845,212 km (0.053 R)
• M14: 9,218,670 km (0.1 R)
• M15: 9,845,933 km (0.075 R)
• M16: 11,852,938 km (0.098 R)
• M17: 12,695,175 km (0.068 R)
• M18: 14,291,982 km (0.087 R)
• M19: 15,873,232 km (0.077 R)
• M20: 16,319,033 km (0.089 R)
• M21: 16,506,629 km (0.106 R)
• M22: 16,922,960 km (0.098 R)
• M23: 17,615,748 km (0.051 R)
• M24: 18,243,311 km (0.098 R)
• M25: 19,245,916 km (0.09 R)
• M26: 19,490,658 km (0.066 R)
• M27: 19,860,464 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 11.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.04 AU - 3.22 AU

Year: 3633 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,269,000 km

• M1: 151,842 km (0.091 R)
• M2: 476,020 km (0.102 R)
• M3: 730,038 km (0.115 R)
• M4: 1,035,666 km (0.108 R)
• M5: 1,498,073 km (0.083 R)
• M6: 1,890,767 km (0.077 R)
• M7: 2,661,346 km (0.083 R)
• M8: 3,152,027 km (0.097 R)
• M9: 3,404,548 km (0.064 R)
• M10: 4,885,418 km (0.113 R)
• M11: 5,223,958 km (0.105 R)
• M12: 5,503,257 km (0.119 R)
• M13: 6,436,598 km (0.042 R)
• M14: 6,694,654 km (0.062 R)
• M15: 6,904,839 km (0.085 R)
• M16: 7,118,315 km (0.095 R)
• M17: 11,666,091 km (0.067 R)
• M18: 12,014,355 km (0.084 R)
• M19: 12,225,736 km (0.1 R)
• M20: 12,439,063 km (0.118 R)
• M21: 13,016,960 km (0.098 R)
• M22: 13,273,969 km (0.054 R)
• M23: 13,870,864 km (0.074 R)
• M24: 14,136,251 km (0.051 R)
• M25: 15,025,909 km (0.107 R)
• M26: 15,262,573 km (0.105 R)
• M27: 15,620,860 km (0.117 R)
• M28: 16,432,429 km (0.063 R)
• M29: 17,012,719 km (0.047 R)
• M30: 17,688,452 km (0.106 R)
• M31: 18,160,733 km (0.081 R)
• M32: 21,783,844 km (0.057 R)
• M33: 23,032,836 km (0.064 R)
• M34: 23,424,184 km (0.113 R)
• M35: 24,017,340 km (0.091 R)
• M36: 25,687,301 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 13.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.73 AU - 4.29 AU

Year: 4314 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,269,000 km

• M1: 194,926 km (0.082 R)
• M2: 488,287 km (0.115 R)
• M3: 812,915 km (0.1 R)
• M4: 1,076,357 km (0.085 R)
• M5: 1,384,678 km (0.068 R)
• M6: 2,331,184 km (0.068 R)
• M7: 2,954,109 km (0.069 R)
• M8: 3,530,360 km (0.059 R)
• M9: 4,007,428 km (0.12 R)
• M10: 4,638,132 km (0.076 R)
• M11: 5,273,026 km (0.106 R)
• M12: 5,788,241 km (0.044 R)
• M13: 6,352,225 km (0.096 R)
• M14: 7,352,287 km (0.088 R)
• M15: 7,934,222 km (0.066 R)
• M16: 9,136,989 km (0.059 R)
• M17: 9,876,152 km (0.117 R)
• M18: 10,519,722 km (0.115 R)
• M19: 10,991,853 km (0.102 R)
• M20: 11,507,218 km (0.082 R)
• M21: 11,802,374 km (0.06 R)
• M22: 12,710,583 km (0.102 R)
• M23: 13,688,504 km (0.099 R)
• M24: 14,082,844 km (0.079 R)
• M25: 14,740,028 km (0.1 R)
• M26: 15,337,073 km (0.059 R)
• M27: 16,332,796 km (0.106 R)
• M28: 17,763,700 km (0.06 R)
• M29: 18,543,404 km (0.1 R)
• M30: 19,255,340 km (0.054 R)
• M31: 20,895,531 km (0.082 R)
• M32: 22,511,787 km (0.117 R)
• M33: 23,342,803 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.9

Radius: 10.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.5 AU - 4 AU

Year: 4764 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,269,000 km

• M1: 225,743 km (0.053 R)
• M2: 589,266 km (0.112 R)
• M3: 881,131 km (0.106 R)
• M4: 1,295,368 km (0.083 R)
• M5: 2,002,367 km (0.106 R)
• M6: 3,418,311 km (0.11 R)
• M7: 4,908,905 km (0.092 R)
• M8: 5,393,751 km (0.082 R)
• M9: 6,413,410 km (0.078 R)
• M10: 6,759,580 km (0.063 R)
• M11: 8,100,575 km (0.115 R)
• M12: 8,328,413 km (0.074 R)
• M13: 8,840,935 km (0.104 R)
• M14: 9,151,051 km (0.118 R)
• M15: 10,343,346 km (0.084 R)
• M16: 10,993,648 km (0.116 R)
• M17: 13,529,781 km (0.054 R)
• M18: 15,756,545 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.1

Radius: 14.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.43 AU - 5.25 AU

Year: 6985 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,269,000 km

• M1: 175,478 km (0.038 R)
• M2: 553,961 km (0.118 R)
• M3: 1,168,808 km (0.116 R)
• M4: 1,844,691 km (0.108 R)
• M5: 3,228,472 km (0.078 R)
• M6: 3,696,713 km (0.112 R)
• M7: 6,445,723 km (0.05 R)
• M8: 8,080,978 km (0.097 R)
• M9: 8,933,237 km (0.11 R)
• M10: 12,734,220 km (0.052 R)
• M11: 13,396,938 km (0.112 R)
• M12: 14,679,441 km (0.112 R)
• M13: 15,631,781 km (0.115 R)
• M14: 17,371,305 km (0.061 R)
• M15: 19,203,729 km (0.117 R)
• M16: 21,524,890 km (0.066 R)
• M17: 30,564,790 km (0.105 R)
• M18: 30,904,975 km (0.049 R)
• M19: 34,410,203 km (0.105 R)
• M20: 37,651,390 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.8

Radius: 5

Gravity: 37.71 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.48 AU - 8.82 AU

Year: 12542 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 81,269,000 km

• M1: 92,152 km (0.096 R)
• M2: 448,794 km (0.085 R)
• M3: 853,157 km (0.078 R)
• M4: 999,314 km (0.094 R)
• M5: 1,364,632 km (0.099 R)
• M6: 1,687,913 km (0.101 R)
• M7: 3,282,476 km (0.072 R)
• M8: 4,314,403 km (0.095 R)
• M9: 4,611,654 km (0.093 R)
• M10: 4,815,256 km (0.034 R)
• M11: 5,674,696 km (0.063 R)
• M12: 6,365,988 km (0.1 R)
• M13: 6,767,359 km (0.119 R)
• M14: 8,315,098 km (0.114 R)
• M15: 9,776,520 km (0.067 R)
• M16: 10,730,954 km (0.101 R)
• M17: 13,514,372 km (0.111 R)
• M18: 13,804,592 km (0.077 R)
• M19: 14,334,767 km (0.098 R)
• M20: 14,453,997 km (0.09 R)
• M21: 14,935,702 km (0.071 R)
• M22: 15,118,361 km (0.073 R)
• M23: 17,266,586 km (0.11 R)
• M24: 17,660,627 km (0.106 R)
• M25: 20,757,602 km (0.112 R)
• M26: 22,437,437 km (0.102 R)
• M27: 22,586,586 km (0.072 R)
• M28: 23,415,956 km (0.075 R)
• M29: 24,962,050 km (0.082 R)
• M30: 26,315,313 km (0.115 R)
• M31: 27,621,751 km (0.107 R)
• M32: 28,538,187 km (0.081 R)
• M33: 28,790,709 km (0.114 R)
• M34: 29,214,220 km (0.09 R)
• M35: 29,812,163 km (0.057 R)
• M36: 33,345,515 km (0.118 R)
• M37: 36,031,246 km (0.043 R)
• M38: 36,315,033 km (0.119 R)
• M39: 37,077,234 km (0.063 R)
• M40: 37,461,401 km (0.108 R)
• M41: 37,750,723 km (0.117 R)
• M42: 39,115,804 km (0.077 R)
• M43: 46,305,328 km (0.095 R)
• M44: 50,798,201 km (0.069 R)
• M45: 52,836,622 km (0.105 R)
• M46: 53,640,112 km (0.109 R)
• M47: 55,616,748 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.7

Radius: 5.6

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.99 AU - 9.39 AU

Year: 16805 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 81,269,000 km

• M1: 75,846 km (0.113 R)
• M2: 484,099 km (0.061 R)
• M3: 614,398 km (0.089 R)
• M4: 775,366 km (0.067 R)
• M5: 1,143,676 km (0.105 R)
• M6: 1,475,185 km (0.12 R)
• M7: 2,660,299 km (0.098 R)
• M8: 3,387,644 km (0.097 R)
• M9: 4,078,188 km (0.093 R)
• M10: 4,301,238 km (0.078 R)
• M11: 4,431,388 km (0.109 R)
• M12: 4,563,633 km (0.068 R)
• M13: 6,461,282 km (0.057 R)
• M14: 6,987,717 km (0.109 R)
• M15: 7,406,890 km (0.092 R)
• M16: 10,181,033 km (0.108 R)
• M17: 10,381,643 km (0.081 R)
• M18: 12,222,146 km (0.059 R)
• M19: 14,095,710 km (0.101 R)
• M20: 19,057,871 km (0.114 R)
• M21: 19,263,718 km (0.047 R)
• M22: 19,817,978 km (0.068 R)
• M23: 22,782,709 km (0.027 R)
• M24: 23,689,571 km (0.027 R)
• M25: 23,842,460 km (0.101 R)
• M26: 25,319,440 km (0.102 R)
• M27: 26,922,231 km (0.075 R)
• M28: 27,085,293 km (0.098 R)
• M29: 27,494,892 km (0.114 R)
• M30: 27,742,177 km (0.074 R)
• M31: 27,907,632 km (0.088 R)
• M32: 31,144,930 km (0.089 R)
• M33: 33,100,623 km (0.103 R)
• M34: 35,395,305 km (0.065 R)
• M35: 35,769,599 km (0.059 R)
• M36: 37,863,520 km (0.095 R)
• M37: 43,359,596 km (0.078 R)
• M38: 46,300,691 km (0.072 R)
• M39: 47,051,073 km (0.115 R)
• M40: 50,446,945 km (0.118 R)
• M41: 51,906,272 km (0.118 R)
• M42: 52,132,614 km (0.073 R)
• M43: 53,846,108 km (0.11 R)
• M44: 60,366,032 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.4

Radius: 4.1

Gravity: 50.41 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.93 AU - 11.49 AU

Year: 19849 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,269,000 km

• M1: 946,356 km (0.105 R)
• M2: 1,402,480 km (0.059 R)
• M3: 1,711,848 km (0.074 R)
• M4: 2,208,813 km (0.076 R)
• M5: 2,800,771 km (0.112 R)
• M6: 3,203,040 km (0.078 R)
• M7: 3,805,321 km (0.117 R)
• M8: 4,574,553 km (0.066 R)
• M9: 6,237,782 km (0.081 R)
• M10: 6,601,754 km (0.087 R)
• M11: 7,556,787 km (0.08 R)
• M12: 8,576,895 km (0.075 R)
• M13: 14,106,182 km (0.05 R)
• M14: 17,386,414 km (0.113 R)
• M15: 17,763,700 km (0.117 R)
• M16: 23,210,858 km (0.072 R)
• M17: 24,888,149 km (0.082 R)
• M18: 25,068,115 km (0.087 R)
• M19: 28,611,191 km (0.061 R)
• M20: 32,594,085 km (0.115 R)
• M21: 34,577,154 km (0.11 R)
• M22: 35,108,675 km (0.089 R)
• M23: 35,429,563 km (0.033 R)
• M24: 36,618,716 km (0.083 R)
• M25: 39,055,815 km (0.108 R)
• M26: 40,532,945 km (0.094 R)
• M27: 48,455,648 km (0.115 R)
• M28: 49,590,797 km (0.082 R)
• M29: 51,900,588 km (0.072 R)
• M30: 53,075,230 km (0.066 R)
• M31: 53,997,950 km (0.043 R)
• M32: 55,598,348 km (0.095 R)
• M33: 68,048,780 km (0.031 R)
• M34: 70,447,582 km (0.102 R)
• M35: 81,106,580 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 11,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit