🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.04 AU - 1.12 AU

Year: 398 Days

Day: 26.3 Hours

Environment

Temp: 39 °C

Axial Tilt: 50 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.99 AU - 1.55 AU

Year: 508 Days

Day: 39.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.86 AU - 2.6 AU

Year: 1181 Days

Day: 38.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.1 AU - 6.38 AU

Year: 4255 Days

Day: 44 Hours

Environment

Temp: -128 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.2

Radius: 14.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.12 AU - 8.58 AU

Year: 8560 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 63,765,044 km

• M1: 202,705 km (0.098 R)
• M2: 295,007 km (0.103 R)
• M3: 750,233 km (0.049 R)
• M4: 876,195 km (0.106 R)
• M5: 1,080,097 km (0.106 R)
• M6: 1,188,405 km (0.12 R)
• M7: 1,281,755 km (0.094 R)
• M8: 1,831,078 km (0.074 R)
• M9: 2,120,999 km (0.09 R)
• M10: 3,317,782 km (0.091 R)
• M11: 3,453,018 km (0.105 R)
• M12: 3,785,574 km (0.117 R)
• M13: 4,422,113 km (0.103 R)
• M14: 4,601,631 km (0.075 R)
• M15: 4,844,877 km (0.096 R)
• M16: 5,375,949 km (0.095 R)
• M17: 5,471,542 km (0.115 R)
• M18: 5,600,047 km (0.107 R)
• M19: 6,024,605 km (0.111 R)
• M20: 6,190,659 km (0.107 R)
• M21: 6,392,018 km (0.097 R)
• M22: 6,527,553 km (0.103 R)
• M23: 6,801,318 km (0.111 R)
• M24: 6,974,552 km (0.066 R)
• M25: 7,645,648 km (0.105 R)
• M26: 8,485,939 km (0.062 R)
• M27: 8,597,689 km (0.032 R)
• M28: 8,747,586 km (0.101 R)
• M29: 9,548,383 km (0.106 R)
• M30: 9,859,696 km (0.082 R)
• M31: 10,293,231 km (0.097 R)
• M32: 11,056,928 km (0.053 R)
• M33: 11,301,820 km (0.106 R)
• M34: 12,426,497 km (0.082 R)
• M35: 12,553,655 km (0.116 R)
• M36: 12,809,318 km (0.082 R)
• M37: 12,980,607 km (0.09 R)
• M38: 13,282,496 km (0.097 R)
• M39: 13,717,676 km (0.076 R)
• M40: 14,557,369 km (0.106 R)
• M41: 16,519,195 km (0.115 R)
• M42: 16,612,395 km (0.12 R)
• M43: 16,940,164 km (0.06 R)
• M44: 17,128,507 km (0.099 R)
• M45: 17,412,145 km (0.071 R)
• M46: 18,032,378 km (0.101 R)
• M47: 18,659,791 km (0.114 R)
• M48: 19,540,324 km (0.099 R)
• M49: 20,184,642 km (0.081 R)
• M50: 21,494,372 km (0.083 R)
• M51: 22,159,484 km (0.097 R)
• M52: 22,675,746 km (0.073 R)
• M53: 23,405,185 km (0.081 R)
• M54: 23,878,214 km (0.111 R)
• M55: 24,142,404 km (0.058 R)
• M56: 24,567,112 km (0.077 R)
• M57: 24,727,032 km (0.102 R)
• M58: 25,155,181 km (0.117 R)
• M59: 25,585,724 km (0.104 R)
• M60: 25,747,738 km (0.092 R)
• M61: 25,910,202 km (0.09 R)
• M62: 26,072,964 km (0.104 R)
• M63: 26,399,536 km (0.073 R)
• M64: 26,508,743 km (0.091 R)
• M65: 26,837,110 km (0.109 R)
• M66: 27,442,682 km (0.11 R)
• M67: 28,667,290 km (0.087 R)
• M68: 28,835,588 km (0.097 R)
• M69: 31,285,104 km (0.082 R)
• M70: 31,574,276 km (0.059 R)
• M71: 34,038,004 km (0.076 R)
• M72: 34,932,748 km (0.104 R)
• M73: 35,714,547 km (0.082 R)
• M74: 35,835,272 km (0.087 R)
• M75: 35,956,297 km (0.097 R)
• M76: 36,380,557 km (0.112 R)
• M77: 36,684,689 km (0.091 R)
• M78: 36,867,498 km (0.103 R)
• M79: 38,774,870 km (0.117 R)
• M80: 39,210,051 km (0.101 R)
• M81: 40,210,711 km (0.094 R)
• M82: 41,346,458 km (0.11 R)
• M83: 41,918,371 km (0.099 R)
• M84: 42,109,557 km (0.082 R)
• M85: 43,005,648 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273

Radius: 9.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.66 AU - 11.06 AU

Year: 9356 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 63,765,044 km

• M1: 118,631 km (0.087 R)
• M2: 190,139 km (0.102 R)
• M3: 264,788 km (0.076 R)
• M4: 862,282 km (0.059 R)
• M5: 1,194,988 km (0.105 R)
• M6: 1,276,219 km (0.091 R)
• M7: 1,583,942 km (0.097 R)
• M8: 1,655,600 km (0.029 R)
• M9: 1,783,655 km (0.082 R)
• M10: 1,915,002 km (0.104 R)
• M11: 2,944,684 km (0.12 R)
• M12: 3,100,865 km (0.079 R)
• M13: 3,538,438 km (0.092 R)
• M14: 3,680,706 km (0.035 R)
• M15: 4,020,144 km (0.093 R)
• M16: 4,394,886 km (0.116 R)
• M17: 4,625,267 km (0.113 R)
• M18: 6,665,034 km (0.112 R)
• M19: 6,752,997 km (0.103 R)
• M20: 8,055,097 km (0.075 R)
• M21: 9,008,485 km (0.091 R)
• M22: 9,203,411 km (0.098 R)
• M23: 9,597,601 km (0.115 R)
• M24: 9,997,177 km (0.048 R)
• M25: 10,266,752 km (0.109 R)
• M26: 10,368,329 km (0.075 R)
• M27: 10,709,712 km (0.078 R)
• M28: 11,791,304 km (0.093 R)
• M29: 13,090,562 km (0.104 R)
• M30: 13,570,920 km (0.047 R)
• M31: 14,207,759 km (0.115 R)
• M32: 14,663,134 km (0.117 R)
• M33: 14,777,726 km (0.057 R)
• M34: 15,123,298 km (0.032 R)
• M35: 15,316,428 km (0.105 R)
• M36: 15,393,920 km (0.049 R)
• M37: 16,890,796 km (0.093 R)
• M38: 17,454,032 km (0.093 R)
• M39: 17,534,965 km (0.072 R)
• M40: 19,936,609 km (0.092 R)
• M41: 22,263,754 km (0.111 R)
• M42: 22,836,713 km (0.096 R)
• M43: 23,414,460 km (0.098 R)
• M44: 23,682,839 km (0.058 R)
• M45: 24,132,231 km (0.065 R)
• M46: 24,675,421 km (0.093 R)
• M47: 24,902,810 km (0.041 R)
• M48: 25,176,723 km (0.098 R)
• M49: 25,543,388 km (0.072 R)
• M50: 26,235,876 km (0.102 R)
• M51: 26,421,527 km (0.065 R)
• M52: 27,544,858 km (0.094 R)
• M53: 27,686,377 km (0.094 R)
• M54: 29,306,971 km (0.031 R)
• M55: 29,692,784 km (0.085 R)
• M56: 29,934,684 km (0.095 R)
• M57: 30,713,490 km (0.081 R)
• M58: 31,449,512 km (0.08 R)
• M59: 32,241,034 km (0.12 R)
• M60: 32,589,447 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.1

Radius: 4.8

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11.56 AU - 15.92 AU

Year: 18068 Days

Day: 23.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 63,765,044 km

• M1: 84,373 km (0.084 R)
• M2: 129,552 km (0.068 R)
• M3: 321,935 km (0.071 R)
• M4: 689,197 km (0.094 R)
• M5: 801,246 km (0.093 R)
• M6: 1,944,024 km (0.086 R)
• M7: 2,294,383 km (0.12 R)
• M8: 2,870,634 km (0.087 R)
• M9: 3,144,098 km (0.054 R)
• M10: 3,206,032 km (0.113 R)
• M11: 3,618,174 km (0.087 R)
• M12: 3,682,950 km (0.09 R)
• M13: 4,080,432 km (0.034 R)
• M14: 4,352,999 km (0.119 R)
• M15: 4,491,526 km (0.095 R)
• M16: 4,631,400 km (0.074 R)
• M17: 5,877,850 km (0.118 R)
• M18: 6,224,169 km (0.098 R)
• M19: 7,508,317 km (0.094 R)
• M20: 8,308,217 km (0.081 R)
• M21: 8,351,152 km (0.089 R)
• M22: 8,740,106 km (0.084 R)
• M23: 9,987,453 km (0.076 R)
• M24: 10,216,039 km (0.114 R)
• M25: 10,585,396 km (0.106 R)
• M26: 10,724,971 km (0.071 R)
• M27: 11,194,857 km (0.107 R)
• M28: 11,527,713 km (0.092 R)
• M29: 12,008,819 km (0.101 R)
• M30: 12,105,759 km (0.08 R)
• M31: 12,349,454 km (0.112 R)
• M32: 12,891,297 km (0.106 R)
• M33: 12,940,964 km (0.096 R)
• M34: 13,340,390 km (0.107 R)
• M35: 14,049,035 km (0.037 R)
• M36: 14,562,605 km (0.077 R)
• M37: 15,449,870 km (0.029 R)
• M38: 15,979,895 km (0.072 R)
• M39: 16,515,904 km (0.057 R)
• M40: 16,569,909 km (0.118 R)
• M41: 16,623,914 km (0.118 R)
• M42: 17,003,444 km (0.067 R)
• M43: 17,112,351 km (0.117 R)
• M44: 18,159,087 km (0.103 R)
• M45: 18,270,388 km (0.028 R)
• M46: 19,169,621 km (0.086 R)
• M47: 19,453,558 km (0.114 R)
• M48: 19,567,551 km (0.084 R)
• M49: 20,487,279 km (0.036 R)
• M50: 20,894,035 km (0.115 R)
• M51: 21,244,842 km (0.112 R)
• M52: 21,362,277 km (0.108 R)
• M53: 23,572,136 km (0.078 R)
• M54: 24,242,933 km (0.12 R)
• M55: 24,304,268 km (0.116 R)
• M56: 27,370,576 km (0.086 R)
• M57: 27,882,650 km (0.073 R)
• M58: 27,946,827 km (0.108 R)
• M59: 28,075,481 km (0.091 R)
• M60: 28,204,285 km (0.057 R)
• M61: 28,462,491 km (0.064 R)
• M62: 28,527,117 km (0.1 R)
• M63: 29,437,719 km (0.093 R)
• M64: 29,634,141 km (0.09 R)
• M65: 30,159,828 km (0.073 R)
• M66: 30,225,801 km (0.076 R)
• M67: 31,020,764 km (0.119 R)
• M68: 31,153,906 km (0.111 R)
• M69: 31,487,659 km (0.117 R)
• M70: 31,621,549 km (0.107 R)
• M71: 31,889,778 km (0.068 R)
• M72: 32,766,721 km (0.09 R)
• M73: 32,902,256 km (0.04 R)
• M74: 33,242,143 km (0.116 R)
• M75: 33,378,427 km (0.047 R)
• M76: 33,583,226 km (0.066 R)
• M77: 34,544,243 km (0.114 R)
• M78: 35,236,282 km (0.099 R)
• M79: 37,764,935 km (0.081 R)
• M80: 38,192,187 km (0.089 R)
• M81: 39,338,854 km (0.102 R)
• M82: 40,133,818 km (0.109 R)
• M83: 40,278,927 km (0.118 R)
• M84: 40,569,746 km (0.097 R)
• M85: 40,642,450 km (0.116 R)
• M86: 40,861,162 km (0.03 R)
• M87: 42,624,323 km (0.074 R)
• M88: 44,337,219 km (0.115 R)
• M89: 46,681,268 km (0.085 R)
• M90: 47,752,987 km (0.077 R)
• M91: 48,600,758 km (0.116 R)
• M92: 49,375,675 km (0.108 R)
• M93: 50,545,829 km (0.075 R)
• M94: 51,016,464 km (0.072 R)
• M95: 51,252,380 km (0.12 R)
• M96: 51,409,757 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.3

Radius: 6.8

Gravity: 20.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 13.81 AU - 15.35 AU

Year: 19750 Days

Day: 22.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 63,765,044 km

• M1: 105,766 km (0.115 R)
• M2: 253,718 km (0.091 R)
• M3: 376,089 km (0.088 R)
• M4: 476,170 km (0.091 R)
• M5: 1,375,104 km (0.082 R)
• M6: 1,767,349 km (0.106 R)
• M7: 1,870,721 km (0.089 R)
• M8: 1,976,038 km (0.086 R)
• M9: 2,083,450 km (0.032 R)
• M10: 2,649,079 km (0.105 R)
• M11: 2,807,802 km (0.065 R)
• M12: 3,429,980 km (0.063 R)
• M13: 3,473,064 km (0.115 R)
• M14: 3,559,532 km (0.03 R)
• M15: 4,002,790 km (0.096 R)
• M16: 4,463,552 km (0.118 R)
• M17: 5,136,443 km (0.105 R)
• M18: 8,302,233 km (0.04 R)
• M19: 8,651,843 km (0.108 R)
• M20: 9,245,298 km (0.055 R)
• M21: 9,425,863 km (0.103 R)
• M22: 9,546,887 km (0.097 R)
• M23: 9,974,737 km (0.115 R)
• M24: 11,942,996 km (0.094 R)
• M25: 14,512,938 km (0.091 R)
• M26: 14,652,812 km (0.114 R)
• M27: 15,644,347 km (0.117 R)
• M28: 15,787,662 km (0.104 R)
• M29: 16,220,598 km (0.112 R)
• M30: 16,584,270 km (0.106 R)
• M31: 19,976,252 km (0.108 R)
• M32: 20,366,105 km (0.096 R)
• M33: 20,444,344 km (0.037 R)
• M34: 21,232,426 km (0.115 R)
• M35: 21,950,047 km (0.044 R)
• M36: 22,756,978 km (0.109 R)
• M37: 23,082,353 km (0.106 R)
• M38: 24,399,413 km (0.043 R)
• M39: 27,450,910 km (0.117 R)
• M40: 27,884,146 km (0.08 R)
• M41: 28,232,260 km (0.076 R)
• M42: 28,582,020 km (0.096 R)
• M43: 30,083,982 km (0.114 R)
• M44: 30,262,303 km (0.058 R)
• M45: 31,702,033 km (0.059 R)
• M46: 33,532,961 km (0.06 R)
• M47: 33,625,413 km (0.109 R)
• M48: 34,834,762 km (0.112 R)
• M49: 34,928,410 km (0.073 R)
• M50: 35,491,945 km (0.07 R)
• M51: 36,342,858 km (0.067 R)
• M52: 36,627,991 km (0.066 R)
• M53: 37,200,503 km (0.12 R)
• M54: 37,775,856 km (0.088 R)
• M55: 37,872,047 km (0.105 R)
• M56: 38,450,991 km (0.117 R)
• M57: 41,091,842 km (0.117 R)
• M58: 41,190,727 km (0.118 R)
• M59: 41,388,944 km (0.112 R)
• M60: 44,499,682 km (0.035 R)
• M61: 45,110,490 km (0.068 R)
• M62: 45,314,691 km (0.095 R)
• M63: 49,462,591 km (0.065 R)
• M64: 50,306,772 km (0.093 R)
• M65: 53,298,131 km (0.071 R)
• M66: 56,897,157 km (0.12 R)
• M67: 57,117,813 km (0.094 R)
• M68: 58,003,134 km (0.111 R)
• M69: 58,336,288 km (0.097 R)
• M70: 59,899,586 km (0.119 R)
• M71: 61,589,743 km (0.119 R)
• M72: 63,982,261 km (0.095 R)
• M73: 65,016,880 km (0.081 R)
• M74: 65,594,029 km (0.109 R)
• M75: 65,709,668 km (0.028 R)
• M76: 66,172,823 km (0.079 R)
• M77: 68,036,663 km (0.104 R)
• M78: 69,563,608 km (0.071 R)
• M79: 69,681,491 km (0.039 R)
• M80: 70,153,921 km (0.051 R)
• M81: 70,745,880 km (0.07 R)
• M82: 71,101,774 km (0.107 R)
• M83: 72,292,722 km (0.112 R)
• M84: 72,651,308 km (0.084 R)
• M85: 74,332,340 km (0.072 R)
• M86: 75,056,692 km (0.033 R)
• M87: 77,121,741 km (0.076 R)
• M88: 77,977,441 km (0.102 R)
• M89: 78,836,283 km (0.103 R)
• M90: 82,178,449 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.5

Radius: 7.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 15.44 AU - 19.02 AU

Year: 25373 Days

Day: 22.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 63,765,044 km

• M1: 270,922 km (0.044 R)
• M2: 373,247 km (0.062 R)
• M3: 718,967 km (0.086 R)
• M4: 781,499 km (0.095 R)
• M5: 1,050,027 km (0.101 R)
• M6: 1,424,920 km (0.103 R)
• M7: 1,585,887 km (0.109 R)
• M8: 1,696,589 km (0.085 R)
• M9: 2,226,316 km (0.117 R)
• M10: 2,671,818 km (0.105 R)
• M11: 2,837,572 km (0.086 R)
• M12: 3,144,547 km (0.086 R)
• M13: 3,249,116 km (0.119 R)
• M14: 3,319,577 km (0.087 R)
• M15: 3,390,636 km (0.112 R)
• M16: 3,570,153 km (0.09 R)
• M17: 4,014,010 km (0.105 R)
• M18: 4,127,854 km (0.102 R)
• M19: 5,489,643 km (0.106 R)
• M20: 6,571,834 km (0.077 R)
• M21: 6,796,082 km (0.091 R)
• M22: 7,068,499 km (0.083 R)
• M23: 7,859,872 km (0.069 R)
• M24: 8,002,289 km (0.088 R)
• M25: 10,189,410 km (0.115 R)
• M26: 10,605,891 km (0.069 R)
• M27: 11,888,244 km (0.059 R)
• M28: 12,271,513 km (0.089 R)
• M29: 12,547,671 km (0.102 R)
• M30: 13,275,315 km (0.084 R)
• M31: 13,331,863 km (0.073 R)
• M32: 14,363,340 km (0.071 R)
• M33: 14,712,951 km (0.052 R)
• M34: 15,658,708 km (0.119 R)
• M35: 15,778,237 km (0.036 R)
• M36: 16,990,877 km (0.064 R)
• M37: 17,175,332 km (0.114 R)
• M38: 18,928,918 km (0.116 R)
• M39: 19,184,132 km (0.095 R)
• M40: 20,216,058 km (0.072 R)
• M41: 20,738,753 km (0.111 R)
• M42: 21,464,751 km (0.056 R)
• M43: 23,760,929 km (0.083 R)
• M44: 24,381,611 km (0.098 R)
• M45: 24,450,874 km (0.093 R)
• M46: 25,428,048 km (0.113 R)
• M47: 26,703,070 km (0.096 R)
• M48: 27,492,349 km (0.1 R)
• M49: 29,167,546 km (0.106 R)
• M50: 29,388,502 km (0.03 R)
• M51: 30,725,757 km (0.101 R)
• M52: 32,310,747 km (0.033 R)
• M53: 32,463,037 km (0.07 R)
• M54: 36,427,530 km (0.042 R)
• M55: 38,506,642 km (0.099 R)
• M56: 38,668,207 km (0.027 R)
• M57: 41,696,816 km (0.116 R)
• M58: 45,140,709 km (0.072 R)
• M59: 48,936,904 km (0.08 R)
• M60: 49,287,113 km (0.1 R)
• M61: 51,939,633 km (0.061 R)
• M62: 52,207,413 km (0.091 R)
• M63: 53,373,080 km (0.081 R)
• M64: 53,823,818 km (0.094 R)
• M65: 55,274,319 km (0.104 R)
• M66: 56,095,910 km (0.093 R)
• M67: 57,197,699 km (0.095 R)
• M68: 57,382,003 km (0.116 R)
• M69: 61,675,462 km (0.082 R)
• M70: 63,288,127 km (0.08 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 12,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit