🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.39 AU - 0.61 AU

Year: 228 Days

Day: 27.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 8.6

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.94 AU - 1.56 AU

Year: 902 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,364,355 km

• M1: 106,962 km (0.108 R)
• M2: 438,471 km (0.104 R)
• M3: 759,209 km (0.109 R)
• M4: 1,171,351 km (0.114 R)
• M5: 2,661,645 km (0.054 R)
• M6: 3,913,779 km (0.083 R)
• M7: 5,441,174 km (0.096 R)
• M8: 6,392,616 km (0.106 R)
• M9: 6,680,592 km (0.026 R)
• M10: 7,282,724 km (0.028 R)
• M11: 8,022,036 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 10.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.23 AU - 2.59 AU

Year: 2416 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,364,355 km

• M1: 135,087 km (0.086 R)
• M2: 504,743 km (0.094 R)
• M3: 1,117,496 km (0.093 R)
• M4: 1,985,463 km (0.049 R)
• M5: 3,165,042 km (0.106 R)
• M6: 3,847,657 km (0.111 R)
• M7: 4,454,725 km (0.117 R)
• M8: 4,801,344 km (0.067 R)
• M9: 6,324,998 km (0.078 R)
• M10: 6,714,401 km (0.072 R)
• M11: 8,205,443 km (0.105 R)
• M12: 8,847,816 km (0.05 R)
• M13: 9,873,908 km (0.116 R)
• M14: 11,151,773 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 10

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.33 AU - 3.05 AU

Year: 2849 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,364,355 km

• M1: 124,316 km (0.066 R)
• M2: 475,272 km (0.085 R)
• M3: 892,800 km (0.083 R)
• M4: 1,609,075 km (0.103 R)
• M5: 2,861,209 km (0.033 R)
• M6: 3,551,304 km (0.065 R)
• M7: 4,147,751 km (0.076 R)
• M8: 5,260,759 km (0.1 R)
• M9: 6,224,468 km (0.119 R)
• M10: 6,661,144 km (0.072 R)
• M11: 8,180,610 km (0.072 R)
• M12: 8,498,505 km (0.097 R)
• M13: 8,915,136 km (0.095 R)
• M14: 9,757,372 km (0.086 R)
• M15: 11,171,520 km (0.108 R)
• M16: 11,491,510 km (0.09 R)
• M17: 12,038,440 km (0.109 R)
• M18: 12,641,020 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 8.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.93 AU - 4.37 AU

Year: 5459 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,364,355 km

• M1: 107,860 km (0.04 R)
• M2: 393,891 km (0.089 R)
• M3: 1,479,822 km (0.088 R)
• M4: 1,834,818 km (0.1 R)
• M5: 2,338,813 km (0.06 R)
• M6: 3,456,010 km (0.088 R)
• M7: 4,018,049 km (0.076 R)
• M8: 4,297,199 km (0.099 R)
• M9: 4,614,496 km (0.111 R)
• M10: 5,159,930 km (0.06 R)
• M11: 5,894,306 km (0.08 R)
• M12: 7,852,841 km (0.087 R)
• M13: 8,630,451 km (0.084 R)
• M14: 9,377,543 km (0.104 R)
• M15: 12,309,661 km (0.095 R)
• M16: 12,652,689 km (0.107 R)
• M17: 12,951,735 km (0.079 R)
• M18: 13,357,893 km (0.117 R)
• M19: 15,179,546 km (0.093 R)
• M20: 15,460,790 km (0.085 R)
• M21: 16,149,838 km (0.069 R)
• M22: 17,589,269 km (0.068 R)
• M23: 18,659,342 km (0.107 R)
• M24: 20,447,187 km (0.063 R)
• M25: 22,564,296 km (0.045 R)
• M26: 25,214,123 km (0.11 R)
• M27: 25,688,348 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 8.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.6 AU - 5.86 AU

Year: 6642 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,364,355 km

• M1: 110,852 km (0.081 R)
• M2: 420,520 km (0.026 R)
• M3: 768,335 km (0.119 R)
• M4: 1,131,558 km (0.054 R)
• M5: 1,727,257 km (0.096 R)
• M6: 2,215,395 km (0.112 R)
• M7: 3,006,618 km (0.062 R)
• M8: 3,601,120 km (0.119 R)
• M9: 4,096,738 km (0.093 R)
• M10: 4,745,544 km (0.086 R)
• M11: 5,797,815 km (0.09 R)
• M12: 6,753,147 km (0.102 R)
• M13: 7,177,706 km (0.092 R)
• M14: 8,437,769 km (0.1 R)
• M15: 8,930,694 km (0.03 R)
• M16: 9,617,797 km (0.066 R)
• M17: 10,293,381 km (0.109 R)
• M18: 11,789,509 km (0.067 R)
• M19: 13,591,415 km (0.074 R)
• M20: 14,616,310 km (0.08 R)
• M21: 18,134,403 km (0.062 R)
• M22: 21,417,030 km (0.091 R)
• M23: 23,118,705 km (0.059 R)
• M24: 26,964,567 km (0.087 R)
• M25: 28,579,028 km (0.083 R)
• M26: 29,972,681 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 3.6

Gravity: 38.83 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.84 AU - 7.26 AU

Year: 10824 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,364,355 km

• M1: 59,091 km (0.113 R)
• M2: 398,379 km (0.117 R)
• M3: 682,316 km (0.096 R)
• M4: 902,075 km (0.106 R)
• M5: 1,178,831 km (0.119 R)
• M6: 1,579,754 km (0.112 R)
• M7: 1,742,067 km (0.086 R)
• M8: 2,014,635 km (0.083 R)
• M9: 2,788,654 km (0.063 R)
• M10: 3,048,356 km (0.106 R)
• M11: 3,951,628 km (0.108 R)
• M12: 4,223,447 km (0.09 R)
• M13: 6,412,812 km (0.081 R)
• M14: 6,749,856 km (0.084 R)
• M15: 7,832,047 km (0.095 R)
• M16: 9,071,016 km (0.081 R)
• M17: 10,435,050 km (0.115 R)
• M18: 10,848,538 km (0.04 R)
• M19: 11,059,322 km (0.113 R)
• M20: 11,326,653 km (0.085 R)
• M21: 12,211,076 km (0.093 R)
• M22: 12,612,148 km (0.061 R)
• M23: 13,022,046 km (0.083 R)
• M24: 13,745,052 km (0.115 R)
• M25: 16,905,457 km (0.097 R)
• M26: 18,578,260 km (0.097 R)
• M27: 20,438,061 km (0.049 R)
• M28: 20,840,629 km (0.094 R)
• M29: 22,248,644 km (0.045 R)
• M30: 22,674,549 km (0.03 R)
• M31: 24,794,650 km (0.119 R)
• M32: 24,977,160 km (0.081 R)
• M33: 26,279,260 km (0.114 R)
• M34: 30,560,751 km (0.105 R)
• M35: 32,265,568 km (0.092 R)
• M36: 32,701,496 km (0.112 R)
• M37: 37,879,228 km (0.066 R)
• M38: 41,106,353 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.1

Radius: 6.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.63 AU - 7.83 AU

Year: 11273 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,364,355 km

• M1: 84,972 km (0.118 R)
• M2: 319,990 km (0.046 R)
• M3: 575,054 km (0.028 R)
• M4: 1,300,005 km (0.093 R)
• M5: 1,804,300 km (0.092 R)
• M6: 2,158,697 km (0.11 R)
• M7: 2,540,172 km (0.102 R)
• M8: 2,884,995 km (0.051 R)
• M9: 4,059,189 km (0.074 R)
• M10: 4,504,392 km (0.113 R)
• M11: 5,010,631 km (0.059 R)
• M12: 6,069,634 km (0.094 R)
• M13: 13,049,422 km (0.094 R)
• M14: 13,727,699 km (0.083 R)
• M15: 14,017,171 km (0.108 R)
• M16: 14,488,703 km (0.077 R)
• M17: 14,788,797 km (0.107 R)
• M18: 16,481,347 km (0.076 R)
• M19: 18,090,871 km (0.047 R)
• M20: 18,509,146 km (0.117 R)
• M21: 19,148,527 km (0.081 R)
• M22: 26,551,976 km (0.107 R)
• M23: 27,364,891 km (0.096 R)
• M24: 28,474,459 km (0.116 R)
• M25: 31,379,201 km (0.096 R)
• M26: 32,389,734 km (0.075 R)
• M27: 33,421,810 km (0.098 R)
• M28: 36,760,236 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.7

Radius: 5.6

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.47 AU - 7.69 AU

Year: 13475 Days

Day: 21.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,364,355 km

• M1: 70,760 km (0.115 R)
• M2: 280,047 km (0.1 R)
• M3: 553,662 km (0.052 R)
• M4: 845,228 km (0.111 R)
• M5: 1,127,818 km (0.073 R)
• M6: 1,668,615 km (0.075 R)
• M7: 2,832,785 km (0.116 R)
• M8: 3,747,277 km (0.074 R)
• M9: 4,245,887 km (0.099 R)
• M10: 5,075,257 km (0.115 R)
• M11: 6,549,245 km (0.061 R)
• M12: 6,903,942 km (0.077 R)
• M13: 7,122,803 km (0.115 R)
• M14: 7,346,303 km (0.082 R)
• M15: 7,925,546 km (0.055 R)
• M16: 8,829,566 km (0.113 R)
• M17: 11,488,668 km (0.049 R)
• M18: 14,399,842 km (0.064 R)
• M19: 15,366,843 km (0.109 R)
• M20: 17,362,628 km (0.116 R)
• M21: 20,184,642 km (0.107 R)
• M22: 24,628,297 km (0.109 R)
• M23: 25,312,109 km (0.062 R)
• M24: 26,806,891 km (0.059 R)
• M25: 27,076,616 km (0.113 R)
• M26: 28,266,667 km (0.077 R)
• M27: 31,046,046 km (0.086 R)
• M28: 33,897,382 km (0.069 R)
• M29: 34,849,722 km (0.092 R)
• M30: 35,494,488 km (0.099 R)
• M31: 37,140,963 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 18,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit