🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.92 AU

Year: 242 Days

Day: 28.3 Hours

Environment

Temp: 141 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.76 AU - 0.78 AU

Year: 252 Days

Day: 37.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 41.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,274,700 km

• M1: 38,596 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.07 AU - 1.21 AU

Year: 454 Days

Day: 44.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 14

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.47 AU - 8.01 AU

Year: 6523 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 101,274,700 km

• M1: 297,251 km (0.115 R)
• M2: 522,246 km (0.074 R)
• M3: 717,771 km (0.075 R)
• M4: 813,663 km (0.101 R)
• M5: 953,537 km (0.064 R)
• M6: 1,088,624 km (0.109 R)
• M7: 1,319,004 km (0.083 R)
• M8: 1,879,697 km (0.06 R)
• M9: 2,017,926 km (0.075 R)
• M10: 2,159,595 km (0.101 R)
• M11: 2,397,455 km (0.118 R)
• M12: 2,548,101 km (0.05 R)
• M13: 2,643,993 km (0.119 R)
• M14: 2,760,679 km (0.118 R)
• M15: 3,182,844 km (0.114 R)
• M16: 3,497,149 km (0.106 R)
• M17: 3,669,037 km (0.092 R)
• M18: 3,777,945 km (0.067 R)
• M19: 3,954,470 km (0.102 R)
• M20: 4,201,606 km (0.109 R)
• M21: 4,361,676 km (0.105 R)
• M22: 4,523,840 km (0.059 R)
• M23: 4,949,894 km (0.115 R)
• M24: 5,167,858 km (0.092 R)
• M25: 5,764,754 km (0.107 R)
• M26: 5,968,656 km (0.083 R)
• M27: 6,942,688 km (0.047 R)
• M28: 7,241,883 km (0.066 R)
• M29: 7,573,243 km (0.067 R)
• M30: 8,538,897 km (0.11 R)
• M31: 8,654,985 km (0.087 R)
• M32: 8,742,500 km (0.09 R)
• M33: 9,453,089 km (0.106 R)
• M34: 9,694,092 km (0.056 R)
• M35: 9,845,634 km (0.103 R)
• M36: 9,967,557 km (0.074 R)
• M37: 10,992,601 km (0.113 R)
• M38: 11,246,170 km (0.091 R)
• M39: 11,405,491 km (0.066 R)
• M40: 11,888,543 km (0.112 R)
• M41: 12,378,177 km (0.101 R)
• M42: 12,509,823 km (0.068 R)
• M43: 12,841,182 km (0.065 R)
• M44: 13,852,464 km (0.101 R)
• M45: 14,610,326 km (0.118 R)
• M46: 15,169,972 km (0.1 R)
• M47: 15,558,777 km (0.119 R)
• M48: 15,915,269 km (0.091 R)
• M49: 16,130,390 km (0.1 R)
• M50: 16,527,274 km (0.111 R)
• M51: 16,636,181 km (0.077 R)
• M52: 17,774,621 km (0.051 R)
• M53: 18,184,668 km (0.106 R)
• M54: 18,409,514 km (0.094 R)
• M55: 18,522,460 km (0.058 R)
• M56: 18,786,650 km (0.1 R)
• M57: 19,128,033 km (0.026 R)
• M58: 19,548,253 km (0.117 R)
• M59: 19,894,422 km (0.082 R)
• M60: 20,242,537 km (0.118 R)
• M61: 21,298,997 km (0.082 R)
• M62: 22,252,982 km (0.097 R)
• M63: 22,373,259 km (0.036 R)
• M64: 23,261,721 km (0.07 R)
• M65: 23,383,793 km (0.091 R)
• M66: 24,079,423 km (0.098 R)
• M67: 24,574,592 km (0.075 R)
• M68: 25,742,951 km (0.077 R)
• M69: 26,503,656 km (0.12 R)
• M70: 26,758,870 km (0.062 R)
• M71: 27,100,552 km (0.115 R)
• M72: 27,400,496 km (0.074 R)
• M73: 27,572,533 km (0.026 R)
• M74: 27,744,870 km (0.103 R)
• M75: 28,133,824 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 8.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.89 AU - 7.93 AU

Year: 7519 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 101,274,700 km

• M1: 156,180 km (0.108 R)
• M2: 346,768 km (0.093 R)
• M3: 423,063 km (0.063 R)
• M4: 506,090 km (0.061 R)
• M5: 572,661 km (0.059 R)
• M6: 642,373 km (0.11 R)
• M7: 702,960 km (0.077 R)
• M8: 817,552 km (0.041 R)
• M9: 980,165 km (0.117 R)
• M10: 1,385,127 km (0.108 R)
• M11: 1,768,696 km (0.095 R)
• M12: 2,091,378 km (0.111 R)
• M13: 2,510,851 km (0.098 R)
• M14: 2,690,069 km (0.097 R)
• M15: 3,145,894 km (0.071 R)
• M16: 3,209,922 km (0.095 R)
• M17: 3,317,632 km (0.088 R)
• M18: 3,514,652 km (0.047 R)
• M19: 3,670,533 km (0.058 R)
• M20: 3,828,808 km (0.111 R)
• M21: 4,012,364 km (0.059 R)
• M22: 4,151,939 km (0.12 R)
• M23: 4,532,217 km (0.11 R)
• M24: 4,604,772 km (0.109 R)
• M25: 4,726,545 km (0.111 R)
• M26: 5,479,620 km (0.103 R)
• M27: 5,660,634 km (0.099 R)
• M28: 5,765,053 km (0.065 R)
• M29: 6,568,394 km (0.11 R)
• M30: 6,650,523 km (0.096 R)
• M31: 6,899,454 km (0.101 R)
• M32: 7,095,128 km (0.095 R)
• M33: 8,071,553 km (0.106 R)
• M34: 8,485,790 km (0.116 R)
• M35: 8,786,033 km (0.116 R)
• M36: 9,738,522 km (0.065 R)
• M37: 11,146,238 km (0.048 R)
• M38: 12,142,111 km (0.099 R)
• M39: 13,200,815 km (0.041 R)
• M40: 14,111,418 km (0.086 R)
• M41: 14,360,049 km (0.115 R)
• M42: 14,969,960 km (0.111 R)
• M43: 15,042,215 km (0.034 R)
• M44: 15,114,621 km (0.044 R)
• M45: 16,214,913 km (0.08 R)
• M46: 16,438,113 km (0.113 R)
• M47: 16,512,763 km (0.113 R)
• M48: 16,849,807 km (0.082 R)
• M49: 17,264,941 km (0.087 R)
• M50: 18,028,488 km (0.044 R)
• M51: 18,143,978 km (0.112 R)
• M52: 19,115,766 km (0.119 R)
• M53: 19,272,843 km (0.065 R)
• M54: 19,390,876 km (0.116 R)
• M55: 19,984,929 km (0.026 R)
• M56: 20,184,343 km (0.075 R)
• M57: 21,028,673 km (0.101 R)
• M58: 22,710,453 km (0.07 R)
• M59: 23,043,607 km (0.088 R)
• M60: 23,630,480 km (0.077 R)
• M61: 23,841,413 km (0.078 R)
• M62: 23,968,122 km (0.104 R)
• M63: 24,179,953 km (0.098 R)
• M64: 24,435,017 km (0.09 R)
• M65: 24,520,138 km (0.086 R)
• M66: 24,690,829 km (0.077 R)
• M67: 24,819,184 km (0.079 R)
• M68: 26,070,571 km (0.117 R)
• M69: 26,989,550 km (0.09 R)
• M70: 27,165,926 km (0.045 R)
• M71: 27,519,576 km (0.07 R)
• M72: 28,097,472 km (0.049 R)
• M73: 28,276,092 km (0.109 R)
• M74: 29,175,026 km (0.075 R)
• M75: 29,537,202 km (0.07 R)
• M76: 29,673,336 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 10.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.3 AU - 8.5 AU

Year: 9076 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 101,274,700 km

• M1: 173,234 km (0.114 R)
• M2: 336,745 km (0.03 R)
• M3: 623,225 km (0.075 R)
• M4: 809,923 km (0.094 R)
• M5: 1,116,748 km (0.113 R)
• M6: 1,329,476 km (0.113 R)
• M7: 1,478,775 km (0.12 R)
• M8: 1,835,416 km (0.11 R)
• M9: 1,939,237 km (0.11 R)
• M10: 2,175,003 km (0.045 R)
• M11: 3,059,875 km (0.111 R)
• M12: 3,134,225 km (0.067 R)
• M13: 3,209,024 km (0.079 R)
• M14: 3,963,895 km (0.076 R)
• M15: 4,072,204 km (0.104 R)
• M16: 4,515,761 km (0.095 R)
• M17: 4,600,583 km (0.108 R)
• M18: 4,945,556 km (0.109 R)
• M19: 5,091,863 km (0.053 R)
• M20: 5,691,152 km (0.067 R)
• M21: 6,123,938 km (0.116 R)
• M22: 6,249,601 km (0.108 R)
• M23: 6,599,660 km (0.093 R)
• M24: 6,825,702 km (0.081 R)
• M25: 7,120,260 km (0.107 R)
• M26: 7,452,368 km (0.113 R)
• M27: 7,552,897 km (0.075 R)
• M28: 7,654,025 km (0.071 R)
• M29: 8,028,619 km (0.057 R)
• M30: 9,151,949 km (0.074 R)
• M31: 9,223,756 km (0.105 R)
• M32: 9,585,932 km (0.067 R)
• M33: 10,549,193 km (0.068 R)
• M34: 12,766,981 km (0.05 R)
• M35: 12,887,557 km (0.061 R)
• M36: 13,048,973 km (0.056 R)
• M37: 15,165,634 km (0.104 R)
• M38: 15,635,969 km (0.096 R)
• M39: 15,765,072 km (0.083 R)
• M40: 16,547,320 km (0.105 R)
• M41: 17,253,122 km (0.118 R)
• M42: 17,386,564 km (0.117 R)
• M43: 17,923,770 km (0.073 R)
• M44: 19,106,490 km (0.097 R)
• M45: 19,475,548 km (0.099 R)
• M46: 20,220,546 km (0.1 R)
• M47: 20,643,758 km (0.11 R)
• M48: 20,785,427 km (0.103 R)
• M49: 20,927,545 km (0.093 R)
• M50: 21,164,957 km (0.103 R)
• M51: 22,317,160 km (0.104 R)
• M52: 22,414,099 km (0.088 R)
• M53: 23,736,395 km (0.102 R)
• M54: 23,984,129 km (0.115 R)
• M55: 24,133,129 km (0.118 R)
• M56: 24,332,243 km (0.113 R)
• M57: 24,632,037 km (0.104 R)
• M58: 24,933,028 km (0.101 R)
• M59: 26,816,017 km (0.054 R)
• M60: 27,904,940 km (0.091 R)
• M61: 28,218,796 km (0.075 R)
• M62: 29,485,591 km (0.119 R)
• M63: 29,805,281 km (0.086 R)
• M64: 30,072,463 km (0.045 R)
• M65: 30,286,837 km (0.074 R)
• M66: 30,824,940 km (0.073 R)
• M67: 30,986,955 km (0.064 R)
• M68: 31,638,005 km (0.076 R)
• M69: 33,119,323 km (0.098 R)
• M70: 33,618,082 km (0.091 R)
• M71: 34,063,585 km (0.049 R)
• M72: 35,242,117 km (0.108 R)
• M73: 36,834,437 km (0.086 R)
• M74: 37,697,018 km (0.086 R)
• M75: 38,799,105 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.8

Radius: 3.5

Gravity: 38.11 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 12.97 AU - 20.51 AU

Year: 25532 Days

Day: 18.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 101,274,700 km

• M1: 354,846 km (0.036 R)
• M2: 1,004,400 km (0.091 R)
• M3: 1,502,112 km (0.088 R)
• M4: 1,661,135 km (0.114 R)
• M5: 2,496,639 km (0.067 R)
• M6: 2,571,288 km (0.089 R)
• M7: 2,722,980 km (0.086 R)
• M8: 3,195,261 km (0.115 R)
• M9: 4,895,890 km (0.059 R)
• M10: 4,942,564 km (0.12 R)
• M11: 5,907,919 km (0.104 R)
• M12: 6,007,701 km (0.072 R)
• M13: 6,158,196 km (0.094 R)
• M14: 6,208,611 km (0.117 R)
• M15: 6,310,038 km (0.102 R)
• M16: 6,411,914 km (0.109 R)
• M17: 6,565,701 km (0.091 R)
• M18: 7,246,521 km (0.093 R)
• M19: 7,299,778 km (0.074 R)
• M20: 8,843,777 km (0.067 R)
• M21: 10,544,406 km (0.086 R)
• M22: 10,786,754 km (0.12 R)
• M23: 10,908,527 km (0.078 R)
• M24: 11,276,837 km (0.112 R)
• M25: 11,962,594 km (0.066 R)
• M26: 12,278,694 km (0.115 R)
• M27: 13,966,457 km (0.108 R)
• M28: 16,420,161 km (0.116 R)
• M29: 16,841,878 km (0.097 R)
• M30: 17,409,751 km (0.097 R)
• M31: 19,891,879 km (0.109 R)
• M32: 20,266,173 km (0.062 R)
• M33: 20,567,164 km (0.095 R)
• M34: 21,021,642 km (0.064 R)
• M35: 21,173,783 km (0.095 R)
• M36: 21,402,818 km (0.092 R)
• M37: 22,326,884 km (0.076 R)
• M38: 22,872,018 km (0.06 R)
• M39: 23,028,498 km (0.093 R)
• M40: 23,342,653 km (0.08 R)
• M41: 24,693,522 km (0.111 R)
• M42: 25,743,550 km (0.106 R)
• M43: 25,906,312 km (0.073 R)
• M44: 26,314,864 km (0.08 R)
• M45: 29,064,323 km (0.111 R)
• M46: 29,488,882 km (0.114 R)
• M47: 30,258,114 km (0.115 R)
• M48: 30,602,040 km (0.081 R)
• M49: 31,467,763 km (0.118 R)
• M50: 32,341,414 km (0.102 R)
• M51: 32,781,232 km (0.105 R)
• M52: 33,489,129 km (0.084 R)
• M53: 33,755,862 km (0.073 R)
• M54: 34,201,963 km (0.087 R)
• M55: 35,280,563 km (0.076 R)
• M56: 36,279,129 km (0.08 R)
• M57: 37,011,112 km (0.119 R)
• M58: 37,655,579 km (0.051 R)
• M59: 40,364,946 km (0.064 R)
• M60: 43,039,756 km (0.09 R)
• M61: 43,620,346 km (0.05 R)
• M62: 45,869,849 km (0.084 R)
• M63: 46,264,787 km (0.099 R)
• M64: 46,363,821 km (0.102 R)
• M65: 47,357,001 km (0.057 R)
• M66: 50,175,275 km (0.106 R)
• M67: 50,582,331 km (0.088 R)
• M68: 50,888,259 km (0.064 R)
• M69: 51,707,307 km (0.103 R)
• M70: 52,118,402 km (0.075 R)
• M71: 52,840,511 km (0.046 R)
• M72: 53,358,269 km (0.106 R)
• M73: 53,461,941 km (0.066 R)
• M74: 55,026,435 km (0.108 R)
• M75: 55,341,040 km (0.112 R)
• M76: 57,347,895 km (0.065 R)
• M77: 60,348,529 km (0.118 R)
• M78: 60,564,848 km (0.1 R)
• M79: 61,323,907 km (0.07 R)
• M80: 62,195,165 km (0.036 R)
• M81: 62,632,290 km (0.079 R)
• M82: 62,851,301 km (0.061 R)
• M83: 63,949,948 km (0.087 R)
• M84: 64,722,771 km (0.11 R)
• M85: 65,832,189 km (0.118 R)
• M86: 67,171,688 km (0.093 R)
• M87: 68,294,869 km (0.092 R)
• M88: 69,764,219 km (0.116 R)
• M89: 69,991,159 km (0.115 R)
• M90: 71,930,396 km (0.094 R)
• M91: 72,159,730 km (0.106 R)
• M92: 74,234,353 km (0.099 R)
• M93: 76,094,902 km (0.047 R)
• M94: 78,560,125 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.1

Radius: 3.5

Gravity: 80.91 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 12.92 AU - 20.56 AU

Year: 25532 Days

Day: 23.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 101,274,700 km

• M1: 176,525 km (0.066 R)
• M2: 267,930 km (0.109 R)
• M3: 1,075,010 km (0.112 R)
• M4: 1,799,064 km (0.093 R)
• M5: 2,291,241 km (0.063 R)
• M6: 2,334,176 km (0.039 R)
• M7: 3,196,906 km (0.11 R)
• M8: 3,837,933 km (0.106 R)
• M9: 4,463,851 km (0.091 R)
• M10: 4,733,875 km (0.056 R)
• M11: 6,221,027 km (0.1 R)
• M12: 6,952,112 km (0.085 R)
• M13: 7,518,041 km (0.086 R)
• M14: 7,903,555 km (0.073 R)
• M15: 8,894,940 km (0.065 R)
• M16: 9,439,626 km (0.055 R)
• M17: 9,577,405 km (0.077 R)
• M18: 10,205,866 km (0.068 R)
• M19: 10,632,220 km (0.08 R)
• M20: 11,428,978 km (0.042 R)
• M21: 11,502,281 km (0.098 R)
• M22: 14,324,894 km (0.051 R)
• M23: 15,364,749 km (0.059 R)
• M24: 16,180,954 km (0.077 R)
• M25: 16,428,689 km (0.091 R)
• M26: 17,095,147 km (0.105 R)
• M27: 17,516,115 km (0.11 R)
• M28: 18,713,048 km (0.079 R)
• M29: 19,408,678 km (0.103 R)
• M30: 19,671,821 km (0.065 R)
• M31: 20,201,397 km (0.116 R)
• M32: 20,735,761 km (0.059 R)
• M33: 21,818,401 km (0.076 R)
• M34: 21,909,506 km (0.113 R)
• M35: 22,000,611 km (0.096 R)
• M36: 23,476,394 km (0.073 R)
• M37: 24,038,134 km (0.052 R)
• M38: 25,557,300 km (0.119 R)
• M39: 27,597,815 km (0.031 R)
• M40: 28,786,969 km (0.115 R)
• M41: 28,986,831 km (0.103 R)
• M42: 32,557,733 km (0.052 R)
• M43: 32,661,853 km (0.119 R)
• M44: 32,974,662 km (0.103 R)
• M45: 33,079,081 km (0.047 R)
• M46: 33,498,105 km (0.046 R)
• M47: 35,941,636 km (0.084 R)
• M48: 39,103,088 km (0.102 R)
• M49: 40,102,252 km (0.063 R)
• M50: 40,213,852 km (0.114 R)
• M51: 40,437,202 km (0.098 R)
• M52: 40,997,446 km (0.108 R)
• M53: 41,447,436 km (0.028 R)
• M54: 41,786,126 km (0.072 R)
• M55: 43,492,888 km (0.047 R)
• M56: 43,951,854 km (0.109 R)
• M57: 44,412,317 km (0.059 R)
• M58: 44,990,363 km (0.057 R)
• M59: 45,222,240 km (0.087 R)
• M60: 47,209,198 km (0.097 R)
• M61: 48,391,321 km (0.109 R)
• M62: 49,822,524 km (0.097 R)
• M63: 51,509,838 km (0.085 R)
• M64: 54,322,278 km (0.095 R)
• M65: 57,561,072 km (0.103 R)
• M66: 59,712,289 km (0.036 R)
• M67: 60,094,661 km (0.045 R)
• M68: 62,018,640 km (0.111 R)
• M69: 64,615,060 km (0.092 R)
• M70: 65,795,088 km (0.028 R)
• M71: 66,058,231 km (0.118 R)
• M72: 66,453,768 km (0.103 R)
• M73: 67,114,542 km (0.08 R)
• M74: 67,512,023 km (0.094 R)
• M75: 70,451,023 km (0.11 R)
• M76: 70,585,511 km (0.084 R)
• M77: 72,886,476 km (0.076 R)
• M78: 80,356,496 km (0.028 R)
• M79: 81,060,354 km (0.1 R)
• M80: 81,766,307 km (0.082 R)
• M81: 82,190,865 km (0.029 R)
• M82: 84,324,430 km (0.106 R)
• M83: 85,756,979 km (0.064 R)
• M84: 86,044,357 km (0.118 R)
• M85: 89,227,650 km (0.074 R)
• M86: 89,518,917 km (0.083 R)
• M87: 90,833,733 km (0.07 R)
• M88: 92,007,627 km (0.038 R)
• M89: 92,301,886 km (0.088 R)
• M90: 96,454,723 km (0.111 R)
• M91: 99,911,182 km (0.115 R)
• M92: 100,516,455 km (0.089 R)
• M93: 101,274,767 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 15,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit