🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 13.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.83 AU - 1.17 AU

Year: 667 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,615,418 km

• M1: 165,455 km (0.078 R)
• M2: 688,150 km (0.098 R)
• M3: 1,295,966 km (0.057 R)
• M4: 1,835,416 km (0.12 R)
• M5: 2,252,495 km (0.05 R)
• M6: 2,723,579 km (0.104 R)
• M7: 3,214,409 km (0.086 R)
• M8: 3,700,004 km (0.086 R)
• M9: 4,192,929 km (0.11 R)
• M10: 4,669,398 km (0.063 R)
• M11: 5,444,016 km (0.027 R)
• M12: 6,174,802 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 8.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.77 AU - 1.83 AU

Year: 1610 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,615,418 km

• M1: 108,159 km (0.075 R)
• M2: 394,041 km (0.044 R)
• M3: 1,571,825 km (0.107 R)
• M4: 2,200,884 km (0.033 R)
• M5: 2,734,649 km (0.079 R)
• M6: 3,528,415 km (0.08 R)
• M7: 4,131,594 km (0.052 R)
• M8: 5,280,805 km (0.066 R)
• M9: 6,093,720 km (0.071 R)
• M10: 7,277,637 km (0.101 R)
• M11: 7,966,535 km (0.099 R)
• M12: 10,295,026 km (0.076 R)
• M13: 11,270,105 km (0.074 R)
• M14: 12,807,223 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 9.3

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.85 AU - 2.17 AU

Year: 1900 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,615,418 km

• M1: 115,639 km (0.088 R)
• M2: 548,127 km (0.106 R)
• M3: 909,705 km (0.101 R)
• M4: 1,229,545 km (0.106 R)
• M5: 1,555,668 km (0.116 R)
• M6: 1,951,205 km (0.072 R)
• M7: 2,360,056 km (0.113 R)
• M8: 2,765,915 km (0.12 R)
• M9: 3,267,517 km (0.107 R)
• M10: 3,828,808 km (0.046 R)
• M11: 4,598,190 km (0.117 R)
• M12: 5,467,204 km (0.103 R)
• M13: 5,903,431 km (0.082 R)
• M14: 6,628,382 km (0.062 R)
• M15: 7,528,064 km (0.07 R)
• M16: 8,099,528 km (0.091 R)
• M17: 8,764,490 km (0.106 R)
• M18: 9,397,140 km (0.102 R)
• M19: 11,054,834 km (0.095 R)
• M20: 12,033,204 km (0.103 R)
• M21: 12,399,270 km (0.091 R)
• M22: 14,661,788 km (0.109 R)
• M23: 15,410,077 km (0.092 R)
• M24: 16,780,393 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 14.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.35 AU - 2.87 AU

Year: 2812 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 87 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,615,418 km

• M1: 175,478 km (0.059 R)
• M2: 784,641 km (0.03 R)
• M3: 1,248,245 km (0.108 R)
• M4: 2,092,725 km (0.09 R)
• M5: 2,601,058 km (0.069 R)
• M6: 3,629,095 km (0.082 R)
• M7: 4,497,211 km (0.115 R)
• M8: 5,283,198 km (0.04 R)
• M9: 5,976,585 km (0.108 R)
• M10: 7,247,269 km (0.087 R)
• M11: 8,525,583 km (0.054 R)
• M12: 9,623,781 km (0.101 R)
• M13: 10,737,238 km (0.095 R)
• M14: 13,941,774 km (0.109 R)
• M15: 14,595,067 km (0.092 R)
• M16: 17,682,618 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 9.2

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.05 AU - 3.09 AU

Year: 3587 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,615,418 km

• M1: 114,891 km (0.08 R)
• M2: 458,966 km (0.107 R)
• M3: 1,138,889 km (0.105 R)
• M4: 1,448,257 km (0.111 R)
• M5: 1,864,289 km (0.098 R)
• M6: 2,270,896 km (0.1 R)
• M7: 2,853,280 km (0.115 R)
• M8: 3,207,827 km (0.107 R)
• M9: 4,337,590 km (0.09 R)
• M10: 4,759,606 km (0.111 R)
• M11: 5,686,065 km (0.107 R)
• M12: 7,230,514 km (0.092 R)
• M13: 8,030,264 km (0.075 R)
• M14: 8,925,009 km (0.082 R)
• M15: 9,884,530 km (0.065 R)
• M16: 10,700,586 km (0.098 R)
• M17: 11,211,463 km (0.087 R)
• M18: 12,559,639 km (0.088 R)
• M19: 14,989,407 km (0.078 R)
• M20: 16,849,059 km (0.114 R)
• M21: 17,540,650 km (0.074 R)
• M22: 22,367,574 km (0.106 R)
• M23: 23,628,236 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.65 AU - 6.09 AU

Year: 8298 Days

Day: 10.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,615,418 km

• M1: 112,797 km (0.116 R)
• M2: 577,149 km (0.115 R)
• M3: 930,948 km (0.119 R)
• M4: 1,471,445 km (0.042 R)
• M5: 2,251,598 km (0.108 R)
• M6: 3,397,368 km (0.075 R)
• M7: 4,174,828 km (0.081 R)
• M8: 4,512,620 km (0.058 R)
• M9: 4,917,432 km (0.086 R)
• M10: 6,107,333 km (0.118 R)
• M11: 10,529,446 km (0.028 R)
• M12: 11,634,077 km (0.118 R)
• M13: 13,481,760 km (0.107 R)
• M14: 15,463,782 km (0.049 R)
• M15: 15,839,123 km (0.093 R)
• M16: 20,506,727 km (0.087 R)
• M17: 20,829,708 km (0.067 R)
• M18: 21,221,804 km (0.054 R)
• M19: 21,886,318 km (0.119 R)

Asteroid Belt

Center: 5.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.1

Radius: 3.6

Gravity: 46.77 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.74 AU - 6.42 AU

Year: 9997 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,615,418 km

• M1: 44,730 km (0.097 R)
• M2: 229,483 km (0.073 R)
• M3: 429,346 km (0.093 R)
• M4: 547,678 km (0.037 R)
• M5: 949,498 km (0.117 R)
• M6: 1,298,210 km (0.08 R)
• M7: 1,981,873 km (0.103 R)
• M8: 2,189,215 km (0.092 R)
• M9: 3,907,048 km (0.066 R)
• M10: 4,345,968 km (0.071 R)
• M11: 5,790,335 km (0.117 R)
• M12: 6,034,928 km (0.042 R)
• M13: 6,926,531 km (0.066 R)
• M14: 7,944,993 km (0.09 R)
• M15: 8,160,115 km (0.106 R)
• M16: 8,692,085 km (0.057 R)
• M17: 8,828,668 km (0.11 R)
• M18: 9,199,671 km (0.061 R)
• M19: 9,629,615 km (0.093 R)
• M20: 11,266,515 km (0.082 R)
• M21: 11,428,829 km (0.057 R)
• M22: 12,609,455 km (0.099 R)
• M23: 13,440,321 km (0.096 R)
• M24: 13,745,651 km (0.087 R)
• M25: 13,869,069 km (0.042 R)
• M26: 15,608,593 km (0.119 R)
• M27: 15,742,932 km (0.11 R)
• M28: 16,357,181 km (0.069 R)
• M29: 18,595,165 km (0.064 R)
• M30: 22,025,295 km (0.086 R)
• M31: 24,744,385 km (0.052 R)
• M32: 27,482,924 km (0.085 R)
• M33: 33,664,458 km (0.108 R)
• M34: 38,221,807 km (0.115 R)
• M35: 38,711,291 km (0.095 R)
• M36: 38,957,529 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.1

Radius: 3

Gravity: 110.79 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.99 AU - 7.71 AU

Year: 11955 Days

Day: 20.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,615,418 km

• M1: 37,399 km (0.099 R)
• M2: 194,627 km (0.048 R)
• M3: 697,425 km (0.091 R)
• M4: 1,544,299 km (0.053 R)
• M5: 1,824,196 km (0.12 R)
• M6: 3,060,174 km (0.118 R)
• M7: 3,185,537 km (0.035 R)
• M8: 3,366,550 km (0.034 R)
• M9: 3,554,445 km (0.106 R)
• M10: 4,698,869 km (0.089 R)
• M11: 5,426,364 km (0.12 R)
• M12: 6,716,346 km (0.079 R)
• M13: 7,635,775 km (0.059 R)
• M14: 12,854,347 km (0.12 R)
• M15: 13,115,096 km (0.11 R)
• M16: 15,039,373 km (0.119 R)
• M17: 16,143,854 km (0.059 R)
• M18: 16,600,427 km (0.05 R)
• M19: 17,619,039 km (0.081 R)
• M20: 18,928,918 km (0.087 R)
• M21: 22,578,956 km (0.057 R)
• M22: 23,149,672 km (0.086 R)
• M23: 23,729,813 km (0.059 R)
• M24: 26,043,793 km (0.074 R)
• M25: 28,724,736 km (0.109 R)
• M26: 29,170,089 km (0.049 R)
• M27: 31,583,850 km (0.103 R)
• M28: 34,878,444 km (0.103 R)
• M29: 35,768,402 km (0.106 R)
• M30: 36,673,619 km (0.108 R)
• M31: 37,593,795 km (0.082 R)
• M32: 38,394,742 km (0.05 R)
• M33: 41,287,666 km (0.038 R)
• M34: 45,366,153 km (0.081 R)
• M35: 46,731,981 km (0.084 R)
• M36: 49,545,319 km (0.094 R)
• M37: 59,375,395 km (0.047 R)
• M38: 61,191,812 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.7

Radius: 6.2

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.17 AU - 11.89 AU

Year: 21183 Days

Day: 21.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,615,418 km

• M1: 115,041 km (0.045 R)
• M2: 339,737 km (0.099 R)
• M3: 693,985 km (0.087 R)
• M4: 2,216,741 km (0.068 R)
• M5: 2,831,888 km (0.034 R)
• M6: 3,092,936 km (0.092 R)
• M7: 4,003,089 km (0.119 R)
• M8: 4,679,870 km (0.079 R)
• M9: 5,986,458 km (0.06 R)
• M10: 10,645,384 km (0.101 R)
• M11: 11,753,905 km (0.118 R)
• M12: 14,752,744 km (0.104 R)
• M13: 23,525,312 km (0.095 R)
• M14: 27,684,133 km (0.103 R)
• M15: 34,614,853 km (0.104 R)
• M16: 37,683,255 km (0.059 R)
• M17: 40,650,828 km (0.112 R)
• M18: 41,067,159 km (0.074 R)
• M19: 57,323,510 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit