🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 8.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 7.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,930,779 km

• M1: 112,348 km (0.061 R)
• M2: 448,494 km (0.118 R)
• M3: 795,412 km (0.043 R)
• M4: 1,072,168 km (0.113 R)
• M5: 1,404,275 km (0.039 R)
• M6: 1,973,046 km (0.049 R)
• M7: 2,318,468 km (0.094 R)
• M8: 2,762,773 km (0.11 R)
• M9: 3,114,179 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 14.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 7.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,930,779 km

• M1: 181,612 km (0.091 R)
• M2: 666,010 km (0.115 R)
• M3: 1,347,578 km (0.072 R)
• M4: 1,999,824 km (0.068 R)
• M5: 2,554,234 km (0.11 R)
• M6: 3,211,118 km (0.1 R)
• M7: 3,677,714 km (0.114 R)
• M8: 4,230,179 km (0.118 R)
• M9: 4,764,243 km (0.08 R)
• M10: 5,233,233 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.1

Radius: 12.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,930,779 km

• M1: 156,629 km (0.087 R)
• M2: 1,007,093 km (0.074 R)
• M3: 1,423,424 km (0.048 R)
• M4: 2,007,304 km (0.057 R)
• M5: 2,779,678 km (0.12 R)
• M6: 3,206,032 km (0.097 R)
• M7: 3,702,398 km (0.12 R)
• M8: 4,321,882 km (0.103 R)
• M9: 4,772,621 km (0.066 R)
• M10: 5,371,910 km (0.074 R)
• M11: 6,130,970 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.5

Radius: 8.3

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.64 AU - 1.06 AU

Year: 532 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,930,779 km

• M1: 103,223 km (0.099 R)
• M2: 406,757 km (0.08 R)
• M3: 746,493 km (0.043 R)
• M4: 1,501,215 km (0.102 R)
• M5: 1,762,263 km (0.095 R)
• M6: 2,230,953 km (0.065 R)
• M7: 2,825,305 km (0.073 R)
• M8: 3,455,860 km (0.052 R)
• M9: 3,832,548 km (0.068 R)
• M10: 4,636,636 km (0.116 R)
• M11: 4,928,352 km (0.112 R)
• M12: 6,317,518 km (0.106 R)
• M13: 6,717,543 km (0.087 R)
• M14: 7,176,808 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 10

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.27 AU - 2.37 AU

Year: 2397 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,930,779 km

• M1: 124,465 km (0.065 R)
• M2: 474,076 km (0.114 R)
• M3: 827,725 km (0.12 R)
• M4: 1,187,358 km (0.108 R)
• M5: 1,761,665 km (0.095 R)
• M6: 2,344,348 km (0.114 R)
• M7: 3,084,110 km (0.077 R)
• M8: 3,627,898 km (0.104 R)
• M9: 4,595,048 km (0.099 R)
• M10: 4,907,409 km (0.063 R)
• M11: 5,751,141 km (0.1 R)
• M12: 6,548,796 km (0.081 R)
• M13: 7,388,190 km (0.084 R)
• M14: 7,881,265 km (0.072 R)
• M15: 9,600,593 km (0.074 R)
• M16: 11,597,725 km (0.092 R)
• M17: 11,927,887 km (0.053 R)
• M18: 12,650,295 km (0.114 R)
• M19: 14,042,453 km (0.118 R)
• M20: 17,128,956 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 10.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.22 AU - 3.34 AU

Year: 3144 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,930,779 km

• M1: 134,339 km (0.032 R)
• M2: 541,544 km (0.099 R)
• M3: 900,579 km (0.045 R)
• M4: 1,562,101 km (0.076 R)
• M5: 2,448,618 km (0.054 R)
• M6: 3,280,382 km (0.118 R)
• M7: 3,988,728 km (0.104 R)
• M8: 4,631,101 km (0.111 R)
• M9: 5,264,499 km (0.11 R)
• M10: 6,978,142 km (0.089 R)
• M11: 10,104,738 km (0.117 R)
• M12: 11,643,651 km (0.076 R)
• M13: 16,576,790 km (0.115 R)
• M14: 17,534,965 km (0.114 R)
• M15: 18,949,861 km (0.11 R)
• M16: 23,231,951 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 10.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.22 AU - 4.76 AU

Year: 6453 Days

Day: 8.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,930,779 km

• M1: 135,536 km (0.066 R)
• M2: 493,823 km (0.12 R)
• M3: 835,205 km (0.103 R)
• M4: 1,431,652 km (0.087 R)
• M5: 1,893,161 km (0.111 R)
• M6: 3,460,498 km (0.074 R)
• M7: 3,845,264 km (0.12 R)
• M8: 5,628,620 km (0.099 R)
• M9: 6,053,777 km (0.112 R)
• M10: 6,471,604 km (0.059 R)
• M11: 6,938,648 km (0.036 R)
• M12: 7,365,601 km (0.034 R)
• M13: 8,272,463 km (0.11 R)
• M14: 9,845,634 km (0.111 R)
• M15: 11,865,505 km (0.082 R)
• M16: 13,387,813 km (0.084 R)
• M17: 14,587,588 km (0.118 R)
• M18: 16,439,160 km (0.083 R)
• M19: 16,816,596 km (0.079 R)
• M20: 20,048,209 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.91 AU - 6.27 AU

Year: 7789 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,930,779 km

• M1: 112,647 km (0.084 R)
• M2: 609,611 km (0.114 R)
• M3: 1,324,390 km (0.08 R)
• M4: 2,004,911 km (0.12 R)
• M5: 2,696,502 km (0.066 R)
• M6: 3,219,795 km (0.093 R)
• M7: 3,997,255 km (0.083 R)
• M8: 6,014,732 km (0.118 R)
• M9: 7,083,459 km (0.053 R)
• M10: 9,335,805 km (0.039 R)
• M11: 10,763,866 km (0.074 R)
• M12: 14,962,480 km (0.08 R)
• M13: 15,494,151 km (0.112 R)
• M14: 19,505,767 km (0.086 R)
• M15: 19,998,243 km (0.087 R)
• M16: 20,498,947 km (0.104 R)
• M17: 28,325,758 km (0.091 R)
• M18: 29,414,382 km (0.088 R)
• M19: 29,876,041 km (0.11 R)
• M20: 32,257,340 km (0.074 R)
• M21: 32,748,320 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.4

Radius: 8

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.1 AU - 11.06 AU

Year: 20111 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,930,779 km

• M1: 100,530 km (0.037 R)
• M2: 392,844 km (0.095 R)
• M3: 704,157 km (0.048 R)
• M4: 966,253 km (0.099 R)
• M5: 2,445,925 km (0.097 R)
• M6: 2,706,375 km (0.051 R)
• M7: 5,011,229 km (0.09 R)
• M8: 7,081,066 km (0.091 R)
• M9: 9,839,501 km (0.066 R)
• M10: 11,004,719 km (0.05 R)
• M11: 12,815,152 km (0.066 R)
• M12: 13,902,429 km (0.114 R)
• M13: 14,815,575 km (0.055 R)
• M14: 17,619,637 km (0.104 R)
• M15: 22,460,176 km (0.116 R)
• M16: 24,578,332 km (0.065 R)
• M17: 26,595,509 km (0.041 R)
• M18: 28,238,842 km (0.113 R)
• M19: 30,323,937 km (0.059 R)
• M20: 38,946,310 km (0.062 R)
• M21: 41,062,072 km (0.105 R)
• M22: 50,116,783 km (0.106 R)
• M23: 53,163,642 km (0.111 R)
• M24: 57,095,075 km (0.104 R)
• M25: 61,216,047 km (0.088 R)
• M26: 62,632,589 km (0.083 R)
• M27: 67,013,264 km (0.119 R)
• M28: 72,489,443 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.1

Radius: 6.8

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.18 AU - 13.28 AU

Year: 23839 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,930,779 km

• M1: 85,121 km (0.116 R)
• M2: 363,672 km (0.114 R)
• M3: 797,955 km (0.107 R)
• M4: 1,314,217 km (0.096 R)
• M5: 2,936,157 km (0.11 R)
• M6: 4,606,717 km (0.113 R)
• M7: 8,635,238 km (0.114 R)
• M8: 10,868,884 km (0.076 R)
• M9: 11,264,121 km (0.111 R)
• M10: 11,806,114 km (0.11 R)
• M11: 13,461,265 km (0.098 R)
• M12: 13,840,496 km (0.03 R)
• M13: 16,438,861 km (0.109 R)
• M14: 16,959,761 km (0.086 R)
• M15: 18,402,932 km (0.092 R)
• M16: 24,770,415 km (0.087 R)
• M17: 33,838,590 km (0.078 R)
• M18: 34,118,038 km (0.089 R)
• M19: 34,823,093 km (0.104 R)
• M20: 35,107,778 km (0.041 R)
• M21: 58,532,112 km (0.098 R)
• M22: 61,596,923 km (0.091 R)
• M23: 62,431,829 km (0.07 R)
• M24: 70,062,667 km (0.095 R)
• M25: 74,926,991 km (0.118 R)
• M26: 75,639,825 km (0.037 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: 203 - 14,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit