🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.9

Radius: 12.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.64 AU - 0.68 AU

Year: 364 Days

Day: 7.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,513,732 km

• M1: 156,330 km (0.099 R)
• M2: 559,047 km (0.103 R)
• M3: 1,203,664 km (0.119 R)
• M4: 1,608,776 km (0.117 R)
• M5: 2,163,933 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 11

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,513,732 km

• M1: 141,370 km (0.088 R)
• M2: 529,876 km (0.116 R)
• M3: 874,100 km (0.116 R)
• M4: 1,328,279 km (0.054 R)
• M5: 1,764,656 km (0.072 R)
• M6: 2,141,344 km (0.093 R)
• M7: 2,668,976 km (0.051 R)
• M8: 3,396,769 km (0.026 R)
• M9: 3,845,712 km (0.074 R)
• M10: 5,044,291 km (0.03 R)
• M11: 5,565,190 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 11.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.7 AU - 2.3 AU

Year: 1918 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,513,732 km

• M1: 143,165 km (0.118 R)
• M2: 622,028 km (0.077 R)
• M3: 1,073,066 km (0.041 R)
• M4: 1,450,052 km (0.041 R)
• M5: 1,939,686 km (0.068 R)
• M6: 2,692,163 km (0.12 R)
• M7: 3,306,562 km (0.044 R)
• M8: 4,361,676 km (0.043 R)
• M9: 5,325,385 km (0.055 R)
• M10: 5,943,673 km (0.115 R)
• M11: 7,043,367 km (0.085 R)
• M12: 7,998,998 km (0.032 R)
• M13: 8,714,525 km (0.117 R)
• M14: 9,204,009 km (0.074 R)
• M15: 9,746,152 km (0.062 R)
• M16: 10,202,276 km (0.114 R)
• M17: 11,233,155 km (0.097 R)
• M18: 14,381,143 km (0.026 R)
• M19: 15,205,128 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 9.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.86 AU - 3.54 AU

Year: 3883 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,513,732 km

• M1: 120,875 km (0.08 R)
• M2: 731,234 km (0.106 R)
• M3: 1,076,656 km (0.106 R)
• M4: 1,390,063 km (0.109 R)
• M5: 1,934,450 km (0.075 R)
• M6: 2,249,952 km (0.086 R)
• M7: 3,265,572 km (0.028 R)
• M8: 5,200,770 km (0.08 R)
• M9: 5,555,167 km (0.053 R)
• M10: 6,200,084 km (0.12 R)
• M11: 6,775,138 km (0.102 R)
• M12: 7,575,337 km (0.076 R)
• M13: 9,107,369 km (0.069 R)
• M14: 9,661,180 km (0.078 R)
• M15: 11,082,210 km (0.065 R)
• M16: 11,670,878 km (0.054 R)
• M17: 12,547,671 km (0.046 R)
• M18: 17,546,035 km (0.09 R)
• M19: 18,462,023 km (0.073 R)
• M20: 20,638,971 km (0.117 R)
• M21: 21,017,753 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.8

Radius: 11.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.51 AU - 5.03 AU

Year: 5985 Days

Day: 12 Hours

Environment

Temp: -222 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,513,732 km

• M1: 138,528 km (0.042 R)
• M2: 534,513 km (0.058 R)
• M3: 955,482 km (0.092 R)
• M4: 1,627,625 km (0.034 R)
• M5: 2,117,558 km (0.11 R)
• M6: 2,857,768 km (0.091 R)
• M7: 3,375,526 km (0.048 R)
• M8: 4,205,047 km (0.1 R)
• M9: 4,991,034 km (0.114 R)
• M10: 5,404,373 km (0.044 R)
• M11: 5,936,791 km (0.101 R)
• M12: 6,573,181 km (0.106 R)
• M13: 7,479,146 km (0.108 R)
• M14: 8,021,737 km (0.114 R)
• M15: 8,842,281 km (0.09 R)
• M16: 10,506,857 km (0.116 R)
• M17: 11,438,552 km (0.103 R)
• M18: 14,153,305 km (0.101 R)
• M19: 18,220,422 km (0.043 R)
• M20: 21,817,503 km (0.064 R)
• M21: 23,741,032 km (0.109 R)
• M22: 24,829,058 km (0.073 R)
• M23: 26,389,812 km (0.072 R)
• M24: 27,557,125 km (0.07 R)
• M25: 28,199,647 km (0.11 R)
• M26: 28,852,193 km (0.09 R)
• M27: 32,673,970 km (0.101 R)
• M28: 34,972,242 km (0.097 R)
• M29: 36,489,613 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 14.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.06 AU - 6.36 AU

Year: 8066 Days

Day: 8.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,513,732 km

• M1: 182,809 km (0.097 R)
• M2: 858,093 km (0.116 R)
• M3: 1,970,354 km (0.085 R)
• M4: 3,836,437 km (0.073 R)
• M5: 5,168,457 km (0.118 R)
• M6: 5,675,594 km (0.053 R)
• M7: 6,586,645 km (0.078 R)
• M8: 7,210,917 km (0.109 R)
• M9: 8,369,103 km (0.04 R)
• M10: 9,779,512 km (0.098 R)
• M11: 14,612,870 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 11.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.97 AU - 6.49 AU

Year: 8112 Days

Day: 6.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,513,732 km

• M1: 146,905 km (0.04 R)
• M2: 916,437 km (0.073 R)
• M3: 1,712,896 km (0.108 R)
• M4: 2,314,578 km (0.093 R)
• M5: 2,705,029 km (0.106 R)
• M6: 3,385,849 km (0.086 R)
• M7: 4,258,303 km (0.077 R)
• M8: 10,545,004 km (0.118 R)
• M9: 11,471,165 km (0.063 R)
• M10: 12,732,424 km (0.115 R)
• M11: 16,795,353 km (0.115 R)
• M12: 18,273,829 km (0.116 R)
• M13: 20,222,491 km (0.087 R)
• M14: 21,007,730 km (0.093 R)
• M15: 25,968,096 km (0.116 R)
• M16: 35,353,717 km (0.101 R)
• M17: 35,806,550 km (0.059 R)
• M18: 42,815,060 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.4

Radius: 3.9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.08 AU - 9.44 AU

Year: 19112 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,513,732 km

• M1: 48,619 km (0.071 R)
• M2: 199,713 km (0.056 R)
• M3: 445,802 km (0.107 R)
• M4: 647,759 km (0.118 R)
• M5: 1,490,294 km (0.041 R)
• M6: 1,882,839 km (0.111 R)
• M7: 2,950,968 km (0.102 R)
• M8: 3,543,076 km (0.097 R)
• M9: 4,263,091 km (0.066 R)
• M10: 5,822,648 km (0.115 R)
• M11: 7,765,476 km (0.116 R)
• M12: 8,582,879 km (0.025 R)
• M13: 12,482,895 km (0.069 R)
• M14: 18,247,051 km (0.039 R)
• M15: 20,128,244 km (0.103 R)
• M16: 20,428,636 km (0.108 R)
• M17: 21,817,653 km (0.086 R)
• M18: 24,355,431 km (0.107 R)
• M19: 32,927,838 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.3

Radius: 3.5

Gravity: 63.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.71 AU - 11.83 AU

Year: 23973 Days

Day: 15.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,513,732 km

• M1: 150,047 km (0.099 R)
• M2: 647,609 km (0.113 R)
• M3: 791,971 km (0.034 R)
• M4: 1,295,817 km (0.078 R)
• M5: 1,475,334 km (0.072 R)
• M6: 2,483,474 km (0.083 R)
• M7: 2,657,606 km (0.114 R)
• M8: 3,317,632 km (0.111 R)
• M9: 4,991,782 km (0.039 R)
• M10: 5,432,946 km (0.09 R)
• M11: 6,209,957 km (0.052 R)
• M12: 7,981,046 km (0.119 R)
• M13: 9,155,838 km (0.107 R)
• M14: 9,571,721 km (0.055 R)
• M15: 10,634,165 km (0.091 R)
• M16: 10,829,539 km (0.094 R)
• M17: 11,093,580 km (0.105 R)
• M18: 12,122,514 km (0.047 R)
• M19: 17,052,661 km (0.094 R)
• M20: 17,320,292 km (0.067 R)
• M21: 17,590,615 km (0.112 R)
• M22: 19,369,035 km (0.056 R)
• M23: 25,185,699 km (0.106 R)
• M24: 26,592,966 km (0.058 R)
• M25: 27,682,338 km (0.096 R)
• M26: 31,661,641 km (0.037 R)
• M27: 32,884,604 km (0.083 R)
• M28: 33,160,612 km (0.115 R)
• M29: 37,637,927 km (0.047 R)
• M30: 51,016,763 km (0.101 R)
• M31: 54,989,485 km (0.074 R)
• M32: 55,964,713 km (0.101 R)
• M33: 56,951,610 km (0.1 R)
• M34: 58,352,594 km (0.096 R)
• M35: 59,981,565 km (0.108 R)
• M36: 64,401,584 km (0.098 R)
• M37: 65,921,648 km (0.101 R)
• M38: 70,168,283 km (0.101 R)
• M39: 72,708,156 km (0.108 R)
• M40: 84,510,231 km (0.181 R)
• M41: 88,977,971 km (0.115 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: 289 - 17,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit