🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.56 AU - 0.7 AU

Year: 230 Days

Day: 32.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,184,726 km

• M1: 65,075 km (0.116 R)
• M2: 124,316 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.64 AU - 0.8 AU

Year: 281 Days

Day: 18.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.76 AU - 1 AU

Year: 380 Days

Day: 44.9 Hours

Environment

Temp: -67 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.78 AU - 0.98 AU

Year: 380 Days

Day: 20.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.58 AU - 1.74 AU

Year: 984 Days

Day: 28.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 8.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.06 AU - 4.12 AU

Year: 3130 Days

Day: 7.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 53,184,726 km

• M1: 110,852 km (0.119 R)
• M2: 207,043 km (0.109 R)
• M3: 342,130 km (0.055 R)
• M4: 414,835 km (0.091 R)
• M5: 469,588 km (0.102 R)
• M6: 570,117 km (0.1 R)
• M7: 641,476 km (0.068 R)
• M8: 697,126 km (0.072 R)
• M9: 774,169 km (0.061 R)
• M10: 916,437 km (0.087 R)
• M11: 1,134,999 km (0.12 R)
• M12: 1,215,483 km (0.11 R)
• M13: 1,285,943 km (0.099 R)
• M14: 1,544,149 km (0.092 R)
• M15: 1,859,202 km (0.083 R)
• M16: 1,941,182 km (0.084 R)
• M17: 2,010,446 km (0.089 R)
• M18: 2,398,951 km (0.105 R)
• M19: 2,717,296 km (0.064 R)
• M20: 2,921,048 km (0.117 R)
• M21: 3,327,206 km (0.056 R)
• M22: 3,393,777 km (0.091 R)
• M23: 3,579,428 km (0.115 R)
• M24: 3,664,998 km (0.1 R)
• M25: 3,785,724 km (0.1 R)
• M26: 3,943,101 km (0.045 R)
• M27: 4,066,968 km (0.099 R)
• M28: 4,192,181 km (0.084 R)
• M29: 4,483,149 km (0.103 R)
• M30: 4,969,940 km (0.087 R)
• M31: 5,434,292 km (0.072 R)
• M32: 5,791,682 km (0.053 R)
• M33: 6,034,180 km (0.107 R)
• M34: 6,095,216 km (0.092 R)
• M35: 6,238,830 km (0.049 R)
• M36: 6,760,477 km (0.052 R)
• M37: 6,909,028 km (0.111 R)
• M38: 6,994,448 km (0.093 R)
• M39: 7,101,710 km (0.109 R)
• M40: 7,187,878 km (0.051 R)
• M41: 7,404,795 km (0.074 R)
• M42: 7,624,106 km (0.102 R)
• M43: 7,756,650 km (0.111 R)
• M44: 8,181,358 km (0.067 R)
• M45: 8,271,715 km (0.065 R)
• M46: 8,385,260 km (0.094 R)
• M47: 9,335,057 km (0.102 R)
• M48: 9,595,806 km (0.114 R)
• M49: 9,979,225 km (0.086 R)
• M50: 10,245,659 km (0.07 R)
• M51: 10,343,197 km (0.079 R)
• M52: 10,662,139 km (0.039 R)
• M53: 11,084,305 km (0.073 R)
• M54: 12,643,414 km (0.116 R)
• M55: 13,142,921 km (0.088 R)
• M56: 13,568,527 km (0.099 R)
• M57: 13,675,639 km (0.117 R)
• M58: 13,971,693 km (0.073 R)
• M59: 14,161,234 km (0.096 R)
• M60: 14,242,764 km (0.028 R)
• M61: 14,406,125 km (0.066 R)
• M62: 14,488,105 km (0.106 R)
• M63: 14,955,449 km (0.118 R)
• M64: 15,820,424 km (0.11 R)
• M65: 15,904,946 km (0.114 R)
• M66: 16,017,893 km (0.08 R)
• M67: 16,787,574 km (0.042 R)
• M68: 17,949,800 km (0.108 R)
• M69: 18,540,562 km (0.071 R)
• M70: 19,348,390 km (0.111 R)
• M71: 19,711,015 km (0.073 R)
• M72: 19,771,752 km (0.112 R)
• M73: 19,954,112 km (0.109 R)
• M74: 20,320,477 km (0.105 R)
• M75: 20,443,147 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 12.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.57 AU - 4.85 AU

Year: 3975 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 53,184,726 km

• M1: 205,099 km (0.067 R)
• M2: 526,285 km (0.108 R)
• M3: 658,231 km (0.107 R)
• M4: 1,078,002 km (0.072 R)
• M5: 1,227,301 km (0.043 R)
• M6: 1,317,808 km (0.093 R)
• M7: 1,492,089 km (0.088 R)
• M8: 1,717,533 km (0.108 R)
• M9: 1,879,099 km (0.095 R)
• M10: 2,046,050 km (0.071 R)
• M11: 2,170,516 km (0.107 R)
• M12: 2,265,660 km (0.085 R)
• M13: 2,493,348 km (0.106 R)
• M14: 2,936,008 km (0.095 R)
• M15: 3,220,992 km (0.081 R)
• M16: 3,366,850 km (0.12 R)
• M17: 3,665,447 km (0.106 R)
• M18: 3,760,442 km (0.078 R)
• M19: 3,953,124 km (0.101 R)
• M20: 4,530,572 km (0.105 R)
• M21: 5,284,096 km (0.103 R)
• M22: 5,413,648 km (0.111 R)
• M23: 5,500,415 km (0.083 R)
• M24: 5,808,287 km (0.108 R)
• M25: 6,121,844 km (0.052 R)
• M26: 6,212,500 km (0.082 R)
• M27: 6,510,051 km (0.12 R)
• M28: 6,742,226 km (0.113 R)
• M29: 6,929,822 km (0.095 R)
• M30: 7,048,154 km (0.063 R)
• M31: 7,143,149 km (0.1 R)
• M32: 7,430,825 km (0.095 R)
• M33: 7,943,647 km (0.062 R)
• M34: 8,317,043 km (0.075 R)
• M35: 8,442,705 km (0.098 R)
• M36: 8,747,137 km (0.1 R)
• M37: 8,926,355 km (0.077 R)
• M38: 9,392,802 km (0.119 R)
• M39: 9,814,219 km (0.103 R)
• M40: 9,920,583 km (0.082 R)
• M41: 10,107,580 km (0.059 R)
• M42: 10,349,629 km (0.107 R)
• M43: 10,457,938 km (0.067 R)
• M44: 10,593,773 km (0.071 R)
• M45: 11,087,745 km (0.101 R)
• M46: 11,226,273 km (0.103 R)
• M47: 11,365,399 km (0.072 R)
• M48: 11,701,545 km (0.059 R)
• M49: 12,012,709 km (0.113 R)
• M50: 12,240,696 km (0.045 R)
• M51: 12,383,861 km (0.1 R)
• M52: 13,225,649 km (0.083 R)
• M53: 13,313,762 km (0.114 R)
• M54: 13,402,174 km (0.113 R)
• M55: 13,490,736 km (0.025 R)
• M56: 13,787,239 km (0.108 R)
• M57: 14,236,033 km (0.119 R)
• M58: 14,628,877 km (0.115 R)
• M59: 14,964,275 km (0.104 R)
• M60: 16,267,572 km (0.077 R)
• M61: 17,156,632 km (0.103 R)
• M62: 17,413,491 km (0.11 R)
• M63: 18,094,012 km (0.103 R)
• M64: 18,191,999 km (0.092 R)
• M65: 19,114,419 km (0.057 R)
• M66: 19,214,201 km (0.089 R)
• M67: 19,314,132 km (0.037 R)
• M68: 19,481,084 km (0.116 R)
• M69: 19,816,332 km (0.104 R)
• M70: 20,731,273 km (0.1 R)
• M71: 21,142,218 km (0.075 R)
• M72: 21,729,091 km (0.098 R)
• M73: 21,972,337 km (0.115 R)
• M74: 22,321,498 km (0.076 R)
• M75: 22,707,461 km (0.085 R)
• M76: 23,593,230 km (0.033 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.8

Radius: 8.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.2 AU - 4.96 AU

Year: 4510 Days

Day: 15 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 53,184,726 km

• M1: 129,701 km (0.103 R)
• M2: 330,910 km (0.034 R)
• M3: 404,513 km (0.106 R)
• M4: 606,769 km (0.084 R)
• M5: 799,750 km (0.06 R)
• M6: 1,046,138 km (0.118 R)
• M7: 1,172,399 km (0.093 R)
• M8: 1,340,696 km (0.059 R)
• M9: 1,478,476 km (0.065 R)
• M10: 1,568,534 km (0.085 R)
• M11: 1,647,372 km (0.062 R)
• M12: 1,809,087 km (0.09 R)
• M13: 2,004,312 km (0.092 R)
• M14: 2,615,120 km (0.085 R)
• M15: 2,836,226 km (0.059 R)
• M16: 2,916,710 km (0.103 R)
• M17: 3,047,159 km (0.033 R)
• M18: 3,640,315 km (0.11 R)
• M19: 3,780,787 km (0.08 R)
• M20: 3,887,450 km (0.106 R)
• M21: 4,661,769 km (0.074 R)
• M22: 4,718,766 km (0.101 R)
• M23: 4,814,508 km (0.071 R)
• M24: 5,144,820 km (0.05 R)
• M25: 5,243,405 km (0.089 R)
• M26: 5,522,705 km (0.107 R)
• M27: 6,095,814 km (0.06 R)
• M28: 6,158,496 km (0.111 R)
• M29: 6,284,158 km (0.062 R)
• M30: 6,431,960 km (0.09 R)
• M31: 6,623,595 km (0.054 R)
• M32: 6,709,465 km (0.12 R)
• M33: 6,795,633 km (0.082 R)
• M34: 6,969,166 km (0.053 R)
• M35: 7,034,541 km (0.093 R)
• M36: 7,100,214 km (0.056 R)
• M37: 7,298,282 km (0.118 R)
• M38: 7,498,294 km (0.107 R)
• M39: 7,903,854 km (0.109 R)
• M40: 8,132,140 km (0.089 R)
• M41: 8,293,257 km (0.111 R)
• M42: 8,595,295 km (0.048 R)
• M43: 8,759,554 km (0.107 R)
• M44: 8,901,073 km (0.074 R)
• M45: 9,067,127 km (0.117 R)
• M46: 9,306,184 km (0.112 R)
• M47: 9,668,660 km (0.108 R)
• M48: 9,814,967 km (0.089 R)
• M49: 10,357,708 km (0.091 R)
• M50: 10,632,818 km (0.095 R)
• M51: 12,096,185 km (0.07 R)
• M52: 12,359,327 km (0.12 R)
• M53: 12,571,307 km (0.092 R)
• M54: 12,998,858 km (0.1 R)
• M55: 13,106,419 km (0.12 R)
• M56: 13,268,434 km (0.029 R)
• M57: 13,923,074 km (0.084 R)
• M58: 14,198,932 km (0.086 R)
• M59: 14,728,060 km (0.104 R)
• M60: 14,980,880 km (0.105 R)
• M61: 15,150,375 km (0.112 R)
• M62: 15,491,009 km (0.112 R)
• M63: 15,633,725 km (0.054 R)
• M64: 15,834,336 km (0.075 R)
• M65: 16,064,567 km (0.077 R)
• M66: 16,557,343 km (0.113 R)
• M67: 16,732,522 km (0.091 R)
• M68: 17,202,708 km (0.028 R)
• M69: 17,261,799 km (0.04 R)
• M70: 17,380,131 km (0.117 R)
• M71: 17,439,372 km (0.116 R)
• M72: 17,915,991 km (0.105 R)
• M73: 18,065,738 km (0.05 R)
• M74: 18,186,015 km (0.086 R)
• M75: 18,669,216 km (0.056 R)
• M76: 18,912,462 km (0.094 R)
• M77: 19,187,423 km (0.055 R)
• M78: 19,309,944 km (0.08 R)
• M79: 19,679,450 km (0.079 R)
• M80: 19,895,918 km (0.088 R)
• M81: 20,300,132 km (0.116 R)
• M82: 20,393,930 km (0.052 R)
• M83: 20,518,994 km (0.11 R)
• M84: 21,053,656 km (0.093 R)
• M85: 21,116,787 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203

Radius: 6.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 11.5 AU - 14.42 AU

Year: 21470 Days

Day: 16.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 53,184,726 km

• M1: 85,570 km (0.108 R)
• M2: 168,746 km (0.06 R)
• M3: 230,979 km (0.096 R)
• M4: 443,558 km (0.107 R)
• M5: 674,537 km (0.076 R)
• M6: 960,867 km (0.089 R)
• M7: 1,443,619 km (0.075 R)
• M8: 1,514,678 km (0.077 R)
• M9: 1,611,319 km (0.088 R)
• M10: 1,785,451 km (0.1 R)
• M11: 2,455,948 km (0.108 R)
• M12: 2,744,223 km (0.111 R)
• M13: 3,543,375 km (0.086 R)
• M14: 4,035,253 km (0.111 R)
• M15: 4,795,061 km (0.108 R)
• M16: 4,937,927 km (0.076 R)
• M17: 5,227,847 km (0.12 R)
• M18: 5,301,150 km (0.063 R)
• M19: 5,824,144 km (0.114 R)
• M20: 5,938,437 km (0.084 R)
• M21: 6,285,504 km (0.09 R)
• M22: 7,325,060 km (0.049 R)
• M23: 8,075,592 km (0.113 R)
• M24: 8,331,255 km (0.056 R)
• M25: 8,503,143 km (0.083 R)
• M26: 9,113,801 km (0.079 R)
• M27: 9,693,643 km (0.113 R)
• M28: 10,010,790 km (0.063 R)
• M29: 10,469,757 km (0.077 R)
• M30: 10,515,982 km (0.118 R)
• M31: 12,129,545 km (0.048 R)
• M32: 12,915,233 km (0.064 R)
• M33: 14,277,920 km (0.093 R)
• M34: 14,535,228 km (0.103 R)
• M35: 15,002,273 km (0.094 R)
• M36: 16,702,602 km (0.075 R)
• M37: 16,756,757 km (0.05 R)
• M38: 17,137,184 km (0.111 R)
• M39: 17,301,143 km (0.055 R)
• M40: 17,685,610 km (0.093 R)
• M41: 18,239,720 km (0.108 R)
• M42: 18,743,416 km (0.103 R)
• M43: 18,855,914 km (0.086 R)
• M44: 19,025,109 km (0.097 R)
• M45: 19,138,205 km (0.117 R)
• M46: 19,251,600 km (0.075 R)
• M47: 19,478,840 km (0.071 R)
• M48: 19,649,980 km (0.076 R)
• M49: 19,878,864 km (0.09 R)
• M50: 20,281,432 km (0.11 R)
• M51: 21,564,383 km (0.12 R)
• M52: 21,682,416 km (0.104 R)
• M53: 23,476,992 km (0.119 R)
• M54: 24,146,892 km (0.104 R)
• M55: 24,699,656 km (0.045 R)
• M56: 26,952,001 km (0.051 R)
• M57: 27,781,372 km (0.058 R)
• M58: 27,845,549 km (0.097 R)
• M59: 29,334,497 km (0.103 R)
• M60: 30,121,531 km (0.083 R)
• M61: 30,782,754 km (0.041 R)
• M62: 31,248,452 km (0.111 R)
• M63: 33,611,500 km (0.066 R)
• M64: 33,816,748 km (0.103 R)
• M65: 34,091,111 km (0.08 R)
• M66: 34,572,816 km (0.11 R)
• M67: 35,126,178 km (0.115 R)
• M68: 35,612,671 km (0.113 R)
• M69: 35,752,246 km (0.088 R)
• M70: 36,522,226 km (0.092 R)
• M71: 36,592,537 km (0.111 R)
• M72: 36,662,848 km (0.098 R)
• M73: 37,368,651 km (0.057 R)
• M74: 38,221,508 km (0.119 R)
• M75: 38,292,866 km (0.106 R)
• M76: 39,152,605 km (0.115 R)
• M77: 39,440,581 km (0.073 R)
• M78: 39,801,561 km (0.099 R)
• M79: 40,818,078 km (0.1 R)
• M80: 41,990,327 km (0.099 R)
• M81: 42,506,739 km (0.116 R)
• M82: 42,654,691 km (0.116 R)
• M83: 43,769,495 km (0.079 R)
• M84: 45,951,679 km (0.118 R)
• M85: 47,017,863 km (0.106 R)
• M86: 47,707,509 km (0.061 R)
• M87: 48,015,232 km (0.05 R)
• M88: 48,787,007 km (0.108 R)
• M89: 48,864,499 km (0.104 R)
• M90: 52,073,523 km (0.101 R)
• M91: 52,707,519 km (0.093 R)
• M92: 52,786,955 km (0.057 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: 453 - 19,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit