🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 8.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 6.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 72 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,207,392 km

• M1: 107,561 km (0.098 R)
• M2: 401,670 km (0.068 R)
• M3: 781,050 km (0.109 R)
• M4: 1,130,661 km (0.079 R)
• M5: 1,550,133 km (0.087 R)
• M6: 1,827,188 km (0.115 R)
• M7: 2,129,226 km (0.08 R)
• M8: 2,664,936 km (0.047 R)
• M9: 3,012,901 km (0.086 R)
• M10: 3,664,549 km (0.07 R)
• M11: 4,256,359 km (0.065 R)
• M12: 5,076,454 km (0.079 R)
• M13: 5,403,774 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.3

Radius: 9.4

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.87 AU - 1.35 AU

Year: 767 Days

Day: 8.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,207,392 km

• M1: 117,434 km (0.056 R)
• M2: 430,543 km (0.078 R)
• M3: 865,723 km (0.086 R)
• M4: 1,225,805 km (0.116 R)
• M5: 1,569,132 km (0.07 R)
• M6: 2,227,512 km (0.105 R)
• M7: 3,138,713 km (0.075 R)
• M8: 3,482,788 km (0.08 R)
• M9: 4,054,252 km (0.119 R)
• M10: 4,531,619 km (0.115 R)
• M11: 5,157,087 km (0.041 R)
• M12: 5,798,563 km (0.12 R)
• M13: 6,319,164 km (0.083 R)
• M14: 6,713,204 km (0.11 R)
• M15: 7,053,839 km (0.066 R)
• M16: 7,844,314 km (0.079 R)
• M17: 8,746,090 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 12.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.01 AU - 1.35 AU

Year: 841 Days

Day: 12.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 122 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,207,392 km

• M1: 156,629 km (0.109 R)
• M2: 712,235 km (0.045 R)
• M3: 1,238,371 km (0.085 R)
• M4: 1,759,570 km (0.1 R)
• M5: 2,720,886 km (0.059 R)
• M6: 3,280,681 km (0.1 R)
• M7: 3,771,662 km (0.117 R)
• M8: 4,171,985 km (0.089 R)
• M9: 4,868,513 km (0.071 R)
• M10: 5,454,638 km (0.12 R)
• M11: 5,949,208 km (0.119 R)
• M12: 6,432,260 km (0.102 R)
• M13: 7,295,739 km (0.087 R)
• M14: 7,826,362 km (0.051 R)
• M15: 8,308,666 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 13.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.78 AU - 4.4 AU

Year: 4462 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,207,392 km

• M1: 165,455 km (0.102 R)
• M2: 1,141,282 km (0.113 R)
• M3: 2,294,083 km (0.08 R)
• M4: 2,754,695 km (0.119 R)
• M5: 3,277,390 km (0.099 R)
• M6: 4,960,217 km (0.118 R)
• M7: 5,452,094 km (0.098 R)
• M8: 6,006,504 km (0.044 R)
• M9: 6,859,362 km (0.103 R)
• M10: 8,382,417 km (0.105 R)
• M11: 12,881,573 km (0.109 R)
• M12: 13,394,844 km (0.071 R)
• M13: 15,357,269 km (0.104 R)
• M14: 17,318,347 km (0.115 R)
• M15: 20,117,772 km (0.1 R)
• M16: 20,670,087 km (0.069 R)
• M17: 22,387,920 km (0.082 R)
• M18: 25,219,957 km (0.112 R)
• M19: 26,187,556 km (0.081 R)
• M20: 28,976,509 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 15

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.75 AU - 4.35 AU

Year: 5347 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,207,392 km

• M1: 186,549 km (0.028 R)
• M2: 1,004,998 km (0.08 R)
• M3: 1,596,060 km (0.105 R)
• M4: 2,957,999 km (0.098 R)
• M5: 4,091,502 km (0.104 R)
• M6: 5,355,753 km (0.065 R)
• M7: 6,668,026 km (0.066 R)
• M8: 9,666,715 km (0.117 R)
• M9: 10,449,112 km (0.118 R)
• M10: 14,117,850 km (0.114 R)
• M11: 15,472,459 km (0.053 R)
• M12: 16,181,403 km (0.061 R)
• M13: 17,601,087 km (0.053 R)
• M14: 19,439,645 km (0.089 R)
• M15: 21,258,755 km (0.095 R)
• M16: 25,395,884 km (0.076 R)
• M17: 26,971,000 km (0.051 R)
• M18: 27,481,727 km (0.092 R)
• M19: 29,499,503 km (0.113 R)
• M20: 30,682,822 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 11.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.61 AU - 6.47 AU

Year: 8554 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,207,392 km

• M1: 146,756 km (0.069 R)
• M2: 564,433 km (0.087 R)
• M3: 947,852 km (0.096 R)
• M4: 1,443,769 km (0.042 R)
• M5: 2,315,476 km (0.047 R)
• M6: 3,276,044 km (0.08 R)
• M7: 4,182,607 km (0.112 R)
• M8: 5,078,399 km (0.091 R)
• M9: 6,002,764 km (0.09 R)
• M10: 6,827,198 km (0.11 R)
• M11: 7,357,074 km (0.108 R)
• M12: 9,410,155 km (0.118 R)
• M13: 10,708,216 km (0.088 R)
• M14: 12,795,106 km (0.109 R)
• M15: 13,275,315 km (0.086 R)
• M16: 14,271,936 km (0.097 R)
• M17: 14,788,647 km (0.077 R)
• M18: 17,496,967 km (0.099 R)
• M19: 18,491,344 km (0.105 R)
• M20: 19,875,274 km (0.107 R)
• M21: 20,520,041 km (0.082 R)
• M22: 25,431,339 km (0.102 R)
• M23: 28,382,755 km (0.076 R)
• M24: 32,236,696 km (0.086 R)
• M25: 34,033,815 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.7

Radius: 6.3

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.5 AU - 7.3 AU

Year: 9401 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,207,392 km

• M1: 78,389 km (0.08 R)
• M2: 294,558 km (0.114 R)
• M3: 515,514 km (0.1 R)
• M4: 969,095 km (0.094 R)
• M5: 1,622,539 km (0.114 R)
• M6: 1,877,154 km (0.104 R)
• M7: 2,081,804 km (0.107 R)
• M8: 3,054,789 km (0.094 R)
• M9: 3,256,297 km (0.111 R)
• M10: 4,953,933 km (0.09 R)
• M11: 5,853,316 km (0.101 R)
• M12: 6,229,106 km (0.108 R)
• M13: 7,709,227 km (0.09 R)
• M14: 8,084,419 km (0.071 R)
• M15: 9,665,219 km (0.103 R)
• M16: 10,101,596 km (0.094 R)
• M17: 10,966,721 km (0.073 R)
• M18: 13,000,354 km (0.116 R)
• M19: 14,525,654 km (0.109 R)
• M20: 15,984,832 km (0.108 R)
• M21: 17,732,284 km (0.066 R)
• M22: 18,988,009 km (0.055 R)
• M23: 19,741,683 km (0.089 R)
• M24: 22,347,379 km (0.09 R)
• M25: 23,497,637 km (0.066 R)
• M26: 25,173,582 km (0.032 R)
• M27: 25,915,737 km (0.117 R)
• M28: 27,270,794 km (0.055 R)
• M29: 29,120,273 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.6

Radius: 7.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.32 AU - 8.36 AU

Year: 14401 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,207,392 km

• M1: 157,975 km (0.104 R)
• M2: 415,583 km (0.094 R)
• M3: 707,897 km (0.119 R)
• M4: 999,463 km (0.112 R)
• M5: 1,384,678 km (0.057 R)
• M6: 1,965,267 km (0.099 R)
• M7: 3,281,280 km (0.111 R)
• M8: 3,810,707 km (0.093 R)
• M9: 4,425,255 km (0.092 R)
• M10: 4,975,625 km (0.074 R)
• M11: 7,022,722 km (0.114 R)
• M12: 8,757,609 km (0.118 R)
• M13: 26,335,658 km (0.065 R)
• M14: 32,529,608 km (0.116 R)
• M15: 35,782,015 km (0.077 R)
• M16: 44,848,544 km (0.033 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 19,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit