🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.58 AU - 0.62 AU

Year: 206 Days

Day: 40.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.65 AU - 1.05 AU

Year: 347 Days

Day: 44.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,123,558 km

• M1: 560,244 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.8 AU - 1.3 AU

Year: 477 Days

Day: 44.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.61 AU - 2.15 AU

Year: 1142 Days

Day: 38.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 10.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.3 AU - 2.6 AU

Year: 1699 Days

Day: 14.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 64,123,558 km

• M1: 135,087 km (0.096 R)
• M2: 219,610 km (0.105 R)
• M3: 354,547 km (0.089 R)
• M4: 568,472 km (0.105 R)
• M5: 854,653 km (0.113 R)
• M6: 954,883 km (0.076 R)
• M7: 1,176,288 km (0.048 R)
• M8: 1,297,762 km (0.098 R)
• M9: 1,469,649 km (0.078 R)
• M10: 1,581,997 km (0.087 R)
• M11: 1,726,808 km (0.107 R)
• M12: 1,906,475 km (0.094 R)
• M13: 1,988,455 km (0.039 R)
• M14: 2,382,645 km (0.12 R)
• M15: 2,560,816 km (0.115 R)
• M16: 2,848,044 km (0.094 R)
• M17: 2,942,141 km (0.101 R)
• M18: 3,013,350 km (0.115 R)
• M19: 3,157,861 km (0.054 R)
• M20: 3,230,865 km (0.107 R)
• M21: 3,316,884 km (0.076 R)
• M22: 3,403,501 km (0.093 R)
• M23: 3,554,146 km (0.035 R)
• M24: 3,694,020 km (0.047 R)
• M25: 3,784,078 km (0.045 R)
• M26: 3,926,944 km (0.101 R)
• M27: 4,245,139 km (0.077 R)
• M28: 4,751,976 km (0.105 R)
• M29: 4,821,988 km (0.108 R)
• M30: 4,920,573 km (0.116 R)
• M31: 5,062,542 km (0.118 R)
• M32: 5,234,729 km (0.094 R)
• M33: 5,703,568 km (0.106 R)
• M34: 5,792,878 km (0.119 R)
• M35: 6,124,686 km (0.11 R)
• M36: 6,200,981 km (0.041 R)
• M37: 6,292,984 km (0.096 R)
• M38: 6,540,569 km (0.045 R)
• M39: 6,917,854 km (0.094 R)
• M40: 7,141,204 km (0.032 R)
• M41: 7,237,695 km (0.117 R)
• M42: 7,677,213 km (0.074 R)
• M43: 7,743,036 km (0.115 R)
• M44: 7,825,614 km (0.081 R)
• M45: 7,908,491 km (0.11 R)
• M46: 7,991,668 km (0.084 R)
• M47: 8,075,143 km (0.078 R)
• M48: 8,462,901 km (0.099 R)
• M49: 8,633,443 km (0.076 R)
• M50: 8,908,553 km (0.119 R)
• M51: 9,134,296 km (0.084 R)
• M52: 9,204,159 km (0.11 R)
• M53: 9,397,140 km (0.082 R)
• M54: 9,591,467 km (0.089 R)
• M55: 9,715,783 km (0.107 R)
• M56: 9,804,944 km (0.091 R)
• M57: 9,912,205 km (0.091 R)
• M58: 9,984,012 km (0.108 R)
• M59: 10,491,448 km (0.113 R)
• M60: 10,674,706 km (0.062 R)
• M61: 11,418,207 km (0.068 R)
• M62: 11,569,002 km (0.052 R)
• M63: 11,891,535 km (0.113 R)
• M64: 12,140,166 km (0.09 R)
• M65: 12,759,502 km (0.11 R)
• M66: 12,974,773 km (0.112 R)
• M67: 13,250,482 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 12

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.16 AU - 4.8 AU

Year: 4200 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 64,123,558 km

• M1: 329,714 km (0.059 R)
• M2: 470,186 km (0.089 R)
• M3: 734,526 km (0.084 R)
• M4: 922,271 km (0.063 R)
• M5: 1,126,771 km (0.109 R)
• M6: 1,240,166 km (0.045 R)
• M7: 1,335,909 km (0.096 R)
• M8: 1,558,062 km (0.08 R)
• M9: 1,650,513 km (0.098 R)
• M10: 1,865,336 km (0.098 R)
• M11: 1,963,771 km (0.058 R)
• M12: 2,362,450 km (0.118 R)
• M13: 2,550,943 km (0.093 R)
• M14: 2,744,523 km (0.094 R)
• M15: 2,928,678 km (0.105 R)
• M16: 3,190,474 km (0.109 R)
• M17: 3,294,444 km (0.078 R)
• M18: 3,429,681 km (0.119 R)
• M19: 3,551,603 km (0.118 R)
• M20: 3,910,040 km (0.104 R)
• M21: 4,280,294 km (0.064 R)
• M22: 4,645,163 km (0.026 R)
• M23: 4,916,983 km (0.105 R)
• M24: 5,003,002 km (0.03 R)
• M25: 5,422,923 km (0.116 R)
• M26: 5,529,736 km (0.058 R)
• M27: 5,655,099 km (0.064 R)
• M28: 5,872,464 km (0.074 R)
• M29: 6,465,470 km (0.075 R)
• M30: 6,578,866 km (0.105 R)
• M31: 6,654,861 km (0.109 R)
• M32: 6,903,643 km (0.109 R)
• M33: 7,077,774 km (0.032 R)
• M34: 7,175,163 km (0.119 R)
• M35: 7,410,630 km (0.104 R)
• M36: 7,688,583 km (0.034 R)
• M37: 8,646,907 km (0.034 R)
• M38: 8,751,027 km (0.083 R)
• M39: 8,834,801 km (0.055 R)
• M40: 9,129,659 km (0.096 R)
• M41: 9,342,237 km (0.05 R)
• M42: 9,449,200 km (0.089 R)
• M43: 9,556,462 km (0.074 R)
• M44: 9,642,630 km (0.099 R)
• M45: 10,143,184 km (0.092 R)
• M46: 10,719,286 km (0.11 R)
• M47: 11,306,009 km (0.059 R)
• M48: 11,557,483 km (0.116 R)
• M49: 11,718,450 km (0.113 R)
• M50: 12,065,816 km (0.041 R)
• M51: 12,275,852 km (0.098 R)
• M52: 12,605,117 km (0.06 R)
• M53: 13,224,302 km (0.051 R)
• M54: 13,682,969 km (0.059 R)
• M55: 14,048,886 km (0.087 R)
• M56: 14,442,777 km (0.116 R)
• M57: 15,090,536 km (0.079 R)
• M58: 15,544,416 km (0.105 R)
• M59: 15,722,287 km (0.109 R)
• M60: 15,824,164 km (0.06 R)
• M61: 16,647,251 km (0.07 R)
• M62: 16,803,132 km (0.102 R)
• M63: 16,959,462 km (0.098 R)
• M64: 17,037,851 km (0.078 R)
• M65: 17,378,934 km (0.094 R)
• M66: 17,563,388 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.9

Radius: 5

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.87 AU - 12.21 AU

Year: 16248 Days

Day: 23.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 64,123,558 km

• M1: 71,209 km (0.064 R)
• M2: 153,039 km (0.06 R)
• M3: 361,428 km (0.069 R)
• M4: 421,268 km (0.069 R)
• M5: 452,534 km (0.111 R)
• M6: 1,233,883 km (0.12 R)
• M7: 1,848,581 km (0.087 R)
• M8: 1,901,389 km (0.115 R)
• M9: 1,954,795 km (0.096 R)
• M10: 2,485,718 km (0.081 R)
• M11: 2,722,083 km (0.04 R)
• M12: 2,873,476 km (0.064 R)
• M13: 3,216,205 km (0.054 R)
• M14: 4,042,434 km (0.061 R)
• M15: 4,180,512 km (0.117 R)
• M16: 4,285,081 km (0.038 R)
• M17: 4,784,290 km (0.094 R)
• M18: 5,415,144 km (0.079 R)
• M19: 5,720,922 km (0.074 R)
• M20: 6,590,684 km (0.12 R)
• M21: 6,999,535 km (0.096 R)
• M22: 7,082,262 km (0.09 R)
• M23: 7,248,765 km (0.077 R)
• M24: 7,332,390 km (0.106 R)
• M25: 8,013,808 km (0.112 R)
• M26: 8,626,412 km (0.065 R)
• M27: 9,527,440 km (0.097 R)
• M28: 9,711,146 km (0.098 R)
• M29: 10,505,361 km (0.111 R)
• M30: 10,886,237 km (0.1 R)
• M31: 11,078,321 km (0.095 R)
• M32: 12,055,793 km (0.112 R)
• M33: 13,060,493 km (0.075 R)
• M34: 13,779,609 km (0.11 R)
• M35: 14,248,748 km (0.117 R)
• M36: 15,256,140 km (0.114 R)
• M37: 15,417,407 km (0.088 R)
• M38: 16,396,076 km (0.074 R)
• M39: 17,004,042 km (0.106 R)
• M40: 17,338,842 km (0.107 R)
• M41: 17,450,891 km (0.056 R)
• M42: 17,563,239 km (0.086 R)
• M43: 18,014,875 km (0.112 R)
• M44: 18,128,420 km (0.097 R)
• M45: 18,929,516 km (0.11 R)
• M46: 19,742,132 km (0.092 R)
• M47: 20,152,778 km (0.094 R)
• M48: 20,625,507 km (0.056 R)
• M49: 21,042,137 km (0.047 R)
• M50: 21,221,505 km (0.113 R)
• M51: 22,552,627 km (0.097 R)
• M52: 23,043,308 km (0.087 R)
• M53: 23,166,427 km (0.059 R)
• M54: 23,537,430 km (0.04 R)
• M55: 24,473,464 km (0.088 R)
• M56: 24,725,237 km (0.119 R)
• M57: 24,914,478 km (0.063 R)
• M58: 25,040,888 km (0.107 R)
• M59: 25,104,318 km (0.084 R)
• M60: 25,421,615 km (0.093 R)
• M61: 25,804,286 km (0.051 R)
• M62: 25,932,192 km (0.106 R)
• M63: 26,575,164 km (0.108 R)
• M64: 27,680,244 km (0.064 R)
• M65: 27,745,767 km (0.07 R)
• M66: 27,876,815 km (0.116 R)
• M67: 28,403,250 km (0.11 R)
• M68: 30,541,752 km (0.085 R)
• M69: 32,593,038 km (0.097 R)
• M70: 32,800,680 km (0.038 R)
• M71: 34,476,924 km (0.067 R)
• M72: 34,617,845 km (0.064 R)
• M73: 35,112,715 km (0.118 R)
• M74: 37,187,487 km (0.082 R)
• M75: 39,154,550 km (0.106 R)
• M76: 39,228,152 km (0.105 R)
• M77: 39,301,605 km (0.044 R)
• M78: 39,670,064 km (0.107 R)
• M79: 40,039,720 km (0.072 R)
• M80: 44,026,953 km (0.068 R)
• M81: 44,409,624 km (0.112 R)
• M82: 44,947,129 km (0.044 R)
• M83: 47,510,040 km (0.096 R)
• M84: 47,588,579 km (0.086 R)
• M85: 48,690,666 km (0.119 R)
• M86: 49,880,867 km (0.071 R)
• M87: 50,199,959 km (0.093 R)
• M88: 50,279,844 km (0.119 R)
• M89: 50,920,123 km (0.074 R)
• M90: 51,241,310 km (0.1 R)
• M91: 51,724,511 km (0.087 R)
• M92: 52,289,991 km (0.107 R)
• M93: 53,182,791 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.2

Radius: 5.2

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 13.14 AU - 15.86 AU

Year: 24456 Days

Day: 18.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 64,123,558 km

• M1: 381,026 km (0.026 R)
• M2: 484,099 km (0.111 R)
• M3: 616,044 km (0.1 R)
• M4: 824,284 km (0.064 R)
• M5: 959,521 km (0.113 R)
• M6: 1,006,195 km (0.111 R)
• M7: 1,225,655 km (0.076 R)
• M8: 1,302,249 km (0.03 R)
• M9: 1,541,456 km (0.112 R)
• M10: 1,852,171 km (0.031 R)
• M11: 2,029,894 km (0.115 R)
• M12: 2,562,911 km (0.098 R)
• M13: 3,638,220 km (0.107 R)
• M14: 3,675,021 km (0.117 R)
• M15: 4,436,474 km (0.059 R)
• M16: 4,754,220 km (0.082 R)
• M17: 4,875,395 km (0.118 R)
• M18: 4,915,936 km (0.044 R)
• M19: 5,369,965 km (0.119 R)
• M20: 5,837,309 km (0.116 R)
• M21: 7,832,945 km (0.103 R)
• M22: 8,168,343 km (0.102 R)
• M23: 8,264,983 km (0.077 R)
• M24: 8,508,229 km (0.064 R)
• M25: 8,754,019 km (0.108 R)
• M26: 9,657,590 km (0.065 R)
• M27: 10,172,356 km (0.116 R)
• M28: 10,380,746 km (0.1 R)
• M29: 10,801,864 km (0.103 R)
• M30: 11,121,255 km (0.107 R)
• M31: 11,228,517 km (0.088 R)
• M32: 11,443,788 km (0.096 R)
• M33: 11,497,943 km (0.088 R)
• M34: 11,606,252 km (0.092 R)
• M35: 11,933,422 km (0.106 R)
• M36: 12,708,489 km (0.032 R)
• M37: 12,820,538 km (0.102 R)
• M38: 13,843,787 km (0.086 R)
• M39: 14,423,479 km (0.113 R)
• M40: 15,486,820 km (0.089 R)
• M41: 16,209,677 km (0.116 R)
• M42: 16,881,970 km (0.076 R)
• M43: 17,252,374 km (0.052 R)
• M44: 17,438,624 km (0.076 R)
• M45: 18,253,483 km (0.108 R)
• M46: 19,595,825 km (0.059 R)
• M47: 19,725,227 km (0.052 R)
• M48: 19,920,004 km (0.077 R)
• M49: 20,377,025 km (0.09 R)
• M50: 20,573,896 km (0.095 R)
• M51: 20,837,338 km (0.079 R)
• M52: 21,168,248 km (0.09 R)
• M53: 21,634,545 km (0.099 R)
• M54: 23,121,847 km (0.096 R)
• M55: 23,395,761 km (0.082 R)
• M56: 24,015,993 km (0.097 R)
• M57: 24,711,623 km (0.106 R)
• M58: 25,696,426 km (0.113 R)
• M59: 25,838,245 km (0.114 R)
• M60: 25,909,154 km (0.069 R)
• M61: 26,265,048 km (0.085 R)
• M62: 26,694,094 km (0.087 R)
• M63: 26,909,515 km (0.101 R)
• M64: 28,800,582 km (0.118 R)
• M65: 29,095,290 km (0.067 R)
• M66: 29,985,547 km (0.119 R)
• M67: 30,134,696 km (0.108 R)
• M68: 31,488,856 km (0.109 R)
• M69: 33,402,362 km (0.07 R)
• M70: 34,412,148 km (0.116 R)
• M71: 35,589,782 km (0.09 R)
• M72: 37,180,307 km (0.11 R)
• M73: 38,307,377 km (0.076 R)
• M74: 38,550,324 km (0.06 R)
• M75: 39,200,776 km (0.11 R)
• M76: 41,090,945 km (0.069 R)
• M77: 41,256,699 km (0.081 R)
• M78: 41,672,132 km (0.057 R)
• M79: 42,256,013 km (0.119 R)
• M80: 43,685,121 km (0.086 R)
• M81: 44,533,341 km (0.104 R)
• M82: 46,073,451 km (0.084 R)
• M83: 49,469,921 km (0.047 R)
• M84: 51,957,734 km (0.049 R)
• M85: 52,047,343 km (0.074 R)
• M86: 52,675,953 km (0.054 R)
• M87: 53,126,542 km (0.075 R)
• M88: 53,307,107 km (0.033 R)
• M89: 54,031,460 km (0.094 R)
• M90: 55,124,123 km (0.07 R)
• M91: 55,398,485 km (0.096 R)
• M92: 57,053,786 km (0.112 R)
• M93: 59,660,828 km (0.111 R)
• M94: 60,036,468 km (0.079 R)
• M95: 64,123,631 km (0.116 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: 303 - 16,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit