🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.64 AU - 0.9 AU

Year: 240 Days

Day: 26.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.96 AU - 1.42 AU

Year: 461 Days

Day: 42.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 49.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,308,982 km

• M1: 166,802 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.21 AU - 1.65 AU

Year: 607 Days

Day: 15.9 Hours

Environment

Temp: -7 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 11.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.55 AU - 7.09 AU

Year: 4981 Days

Day: 7.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 59,308,982 km

• M1: 238,459 km (0.107 R)
• M2: 346,768 km (0.1 R)
• M3: 423,960 km (0.088 R)
• M4: 499,358 km (0.093 R)
• M5: 678,426 km (0.115 R)
• M6: 830,867 km (0.073 R)
• M7: 1,388,567 km (0.12 R)
• M8: 1,556,117 km (0.109 R)
• M9: 1,878,052 km (0.113 R)
• M10: 2,151,217 km (0.118 R)
• M11: 2,928,528 km (0.12 R)
• M12: 3,307,160 km (0.05 R)
• M13: 3,554,445 km (0.119 R)
• M14: 3,743,836 km (0.055 R)
• M15: 3,958,360 km (0.103 R)
• M16: 4,154,931 km (0.036 R)
• M17: 4,694,980 km (0.114 R)
• M18: 5,067,329 km (0.077 R)
• M19: 5,449,402 km (0.11 R)
• M20: 5,742,165 km (0.083 R)
• M21: 5,816,216 km (0.104 R)
• M22: 6,065,296 km (0.11 R)
• M23: 7,016,888 km (0.098 R)
• M24: 7,122,654 km (0.066 R)
• M25: 7,604,808 km (0.1 R)
• M26: 7,849,999 km (0.084 R)
• M27: 8,070,057 km (0.069 R)
• M28: 8,488,333 km (0.069 R)
• M29: 8,856,493 km (0.037 R)
• M30: 9,549,879 km (0.073 R)
• M31: 9,785,047 km (0.057 R)
• M32: 10,141,240 km (0.109 R)
• M33: 10,411,264 km (0.09 R)
• M34: 10,592,576 km (0.119 R)
• M35: 11,111,980 km (0.088 R)
• M36: 11,235,398 km (0.049 R)
• M37: 11,421,349 km (0.036 R)
• M38: 11,702,293 km (0.075 R)
• M39: 11,985,632 km (0.093 R)
• M40: 12,366,807 km (0.084 R)
• M41: 12,946,050 km (0.114 R)
• M42: 13,141,126 km (0.103 R)
• M43: 13,370,010 km (0.089 R)
• M44: 13,468,446 km (0.113 R)
• M45: 14,533,882 km (0.088 R)
• M46: 14,736,737 km (0.104 R)
• M47: 15,419,501 km (0.079 R)
• M48: 15,626,395 km (0.103 R)
• M49: 16,322,474 km (0.1 R)
• M50: 16,568,563 km (0.049 R)
• M51: 17,853,459 km (0.102 R)
• M52: 18,070,675 km (0.056 R)
• M53: 18,544,451 km (0.079 R)
• M54: 19,615,871 km (0.113 R)
• M55: 20,027,714 km (0.079 R)
• M56: 21,012,068 km (0.072 R)
• M57: 21,279,848 km (0.085 R)
• M58: 21,548,676 km (0.049 R)
• M59: 21,625,719 km (0.07 R)
• M60: 21,741,507 km (0.045 R)
• M61: 22,089,921 km (0.097 R)
• M62: 22,167,562 km (0.062 R)
• M63: 22,596,459 km (0.073 R)
• M64: 22,713,894 km (0.064 R)
• M65: 23,859,514 km (0.109 R)
• M66: 24,178,905 km (0.085 R)
• M67: 24,580,127 km (0.085 R)
• M68: 24,700,852 km (0.091 R)
• M69: 25,267,230 km (0.098 R)
• M70: 25,470,533 km (0.054 R)
• M71: 25,715,126 km (0.103 R)
• M72: 26,165,715 km (0.065 R)
• M73: 26,412,701 km (0.102 R)
• M74: 26,495,129 km (0.088 R)
• M75: 26,784,452 km (0.109 R)
• M76: 27,157,997 km (0.117 R)
• M77: 27,407,975 km (0.098 R)
• M78: 28,036,137 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 8.4

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.55 AU - 8.73 AU

Year: 6768 Days

Day: 13.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 59,308,982 km

• M1: 115,938 km (0.098 R)
• M2: 170,093 km (0.096 R)
• M3: 256,560 km (0.08 R)
• M4: 383,868 km (0.066 R)
• M5: 523,144 km (0.065 R)
• M6: 705,653 km (0.106 R)
• M7: 937,380 km (0.066 R)
• M8: 1,054,815 km (0.045 R)
• M9: 1,240,466 km (0.079 R)
• M10: 1,321,099 km (0.118 R)
• M11: 1,608,327 km (0.097 R)
• M12: 1,915,152 km (0.095 R)
• M13: 2,279,872 km (0.116 R)
• M14: 2,666,283 km (0.11 R)
• M15: 2,729,264 km (0.107 R)
• M16: 2,792,693 km (0.047 R)
• M17: 3,250,463 km (0.088 R)
• M18: 3,317,782 km (0.075 R)
• M19: 3,385,549 km (0.099 R)
• M20: 4,064,724 km (0.05 R)
• M21: 4,507,234 km (0.099 R)
• M22: 4,582,632 km (0.093 R)
• M23: 4,991,034 km (0.072 R)
• M24: 5,331,668 km (0.111 R)
• M25: 5,952,499 km (0.039 R)
• M26: 6,341,753 km (0.091 R)
• M27: 6,426,126 km (0.101 R)
• M28: 6,482,674 km (0.094 R)
• M29: 6,940,892 km (0.113 R)
• M30: 7,828,157 km (0.09 R)
• M31: 8,315,846 km (0.09 R)
• M32: 8,656,930 km (0.075 R)
• M33: 8,970,936 km (0.045 R)
• M34: 9,416,887 km (0.117 R)
• M35: 9,513,377 km (0.079 R)
• M36: 9,870,019 km (0.12 R)
• M37: 10,429,814 km (0.082 R)
• M38: 10,730,356 km (0.084 R)
• M39: 10,898,654 km (0.109 R)
• M40: 12,170,385 km (0.116 R)
• M41: 12,522,239 km (0.091 R)
• M42: 12,734,818 km (0.088 R)
• M43: 12,806,027 km (0.035 R)
• M44: 13,779,609 km (0.117 R)
• M45: 13,889,265 km (0.068 R)
• M46: 14,330,728 km (0.115 R)
• M47: 15,189,719 km (0.106 R)
• M48: 15,378,661 km (0.115 R)
• M49: 15,797,236 km (0.099 R)
• M50: 16,567,665 km (0.099 R)
• M51: 17,192,685 km (0.116 R)
• M52: 17,468,693 km (0.097 R)
• M53: 18,506,304 km (0.103 R)
• M54: 19,522,971 km (0.113 R)
• M55: 19,769,508 km (0.116 R)
• M56: 20,641,065 km (0.114 R)
• M57: 20,766,578 km (0.042 R)
• M58: 20,892,390 km (0.032 R)
• M59: 21,060,388 km (0.11 R)
• M60: 21,865,075 km (0.112 R)
• M61: 22,809,187 km (0.1 R)
• M62: 23,025,655 km (0.086 R)
• M63: 23,547,902 km (0.062 R)
• M64: 23,986,074 km (0.05 R)
• M65: 24,206,132 km (0.09 R)
• M66: 24,648,344 km (0.08 R)
• M67: 25,540,844 km (0.11 R)
• M68: 25,720,661 km (0.116 R)
• M69: 25,945,955 km (0.112 R)
• M70: 26,489,295 km (0.106 R)
• M71: 26,716,833 km (0.105 R)
• M72: 27,036,374 km (0.078 R)
• M73: 27,449,265 km (0.062 R)
• M74: 28,467,128 km (0.06 R)
• M75: 29,874,844 km (0.068 R)
• M76: 29,969,540 km (0.114 R)
• M77: 30,587,229 km (0.112 R)
• M78: 31,257,129 km (0.118 R)
• M79: 31,401,341 km (0.094 R)
• M80: 31,594,023 km (0.089 R)
• M81: 31,835,324 km (0.08 R)
• M82: 31,980,285 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.3

Radius: 11.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.97 AU - 8.73 AU

Year: 7069 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 59,308,982 km

• M1: 146,456 km (0.12 R)
• M2: 302,188 km (0.093 R)
• M3: 458,218 km (0.097 R)
• M4: 876,644 km (0.102 R)
• M5: 954,434 km (0.069 R)
• M6: 1,051,075 km (0.095 R)
• M7: 2,734,499 km (0.085 R)
• M8: 3,018,885 km (0.094 R)
• M9: 3,238,495 km (0.081 R)
• M10: 3,514,054 km (0.101 R)
• M11: 3,667,691 km (0.07 R)
• M12: 3,875,931 km (0.076 R)
• M13: 3,981,697 km (0.095 R)
• M14: 4,304,380 km (0.116 R)
• M15: 4,975,476 km (0.099 R)
• M16: 5,981,671 km (0.036 R)
• M17: 6,073,374 km (0.096 R)
• M18: 6,729,062 km (0.054 R)
• M19: 6,888,533 km (0.033 R)
• M20: 7,113,977 km (0.057 R)
• M21: 8,006,029 km (0.083 R)
• M22: 8,345,317 km (0.099 R)
• M23: 8,793,662 km (0.061 R)
• M24: 9,356,150 km (0.03 R)
• M25: 9,462,963 km (0.114 R)
• M26: 10,185,221 km (0.072 R)
• M27: 10,813,233 km (0.092 R)
• M28: 11,606,252 km (0.115 R)
• M29: 12,106,507 km (0.11 R)
• M30: 14,136,700 km (0.052 R)
• M31: 14,836,518 km (0.096 R)
• M32: 15,128,085 km (0.104 R)
• M33: 15,716,752 km (0.042 R)
• M34: 16,441,704 km (0.093 R)
• M35: 16,527,722 km (0.11 R)
• M36: 16,613,891 km (0.099 R)
• M37: 16,873,293 km (0.082 R)
• M38: 17,396,138 km (0.069 R)
• M39: 18,101,492 km (0.087 R)
• M40: 18,591,874 km (0.102 R)
• M41: 19,176,951 km (0.101 R)
• M42: 19,585,652 km (0.093 R)
• M43: 20,319,280 km (0.111 R)
• M44: 20,735,910 km (0.118 R)
• M45: 21,202,207 km (0.12 R)
• M46: 21,766,191 km (0.116 R)
• M47: 21,908,010 km (0.05 R)
• M48: 22,478,277 km (0.05 R)
• M49: 22,621,592 km (0.106 R)
• M50: 22,717,334 km (0.048 R)
• M51: 23,391,123 km (0.094 R)
• M52: 23,681,941 km (0.12 R)
• M53: 24,365,155 km (0.118 R)
• M54: 25,352,351 km (0.117 R)
• M55: 25,701,064 km (0.101 R)
• M56: 26,252,182 km (0.064 R)
• M57: 26,503,956 km (0.115 R)
• M58: 26,655,349 km (0.11 R)
• M59: 27,518,977 km (0.092 R)
• M60: 29,587,168 km (0.04 R)
• M61: 30,322,890 km (0.041 R)
• M62: 31,973,104 km (0.088 R)
• M63: 32,188,226 km (0.066 R)
• M64: 32,511,656 km (0.115 R)
• M65: 32,673,821 km (0.057 R)
• M66: 32,999,046 km (0.119 R)
• M67: 33,652,490 km (0.063 R)
• M68: 34,090,512 km (0.053 R)
• M69: 34,585,532 km (0.054 R)
• M70: 34,916,891 km (0.113 R)
• M71: 35,304,798 km (0.114 R)
• M72: 36,420,948 km (0.085 R)
• M73: 36,589,395 km (0.063 R)
• M74: 37,039,834 km (0.083 R)
• M75: 37,775,706 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 8.7

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.76 AU - 8.94 AU

Year: 8560 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 59,308,982 km

• M1: 135,087 km (0.04 R)
• M2: 192,532 km (0.084 R)
• M3: 561,142 km (0.076 R)
• M4: 700,268 km (0.095 R)
• M5: 1,265,897 km (0.1 R)
• M6: 1,516,474 km (0.065 R)
• M7: 1,603,540 km (0.114 R)
• M8: 2,040,365 km (0.09 R)
• M9: 2,385,188 km (0.08 R)
• M10: 3,354,283 km (0.115 R)
• M11: 3,555,642 km (0.084 R)
• M12: 3,672,478 km (0.073 R)
• M13: 4,152,687 km (0.115 R)
• M14: 4,652,643 km (0.085 R)
• M15: 4,974,877 km (0.105 R)
• M16: 5,573,119 km (0.079 R)
• M17: 5,811,877 km (0.095 R)
• M18: 5,915,399 km (0.059 R)
• M19: 6,264,411 km (0.081 R)
• M20: 6,656,208 km (0.09 R)
• M21: 6,836,772 km (0.078 R)
• M22: 7,688,882 km (0.057 R)
• M23: 9,128,761 km (0.105 R)
• M24: 9,249,188 km (0.084 R)
• M25: 9,491,536 km (0.092 R)
• M26: 9,735,829 km (0.043 R)
• M27: 11,983,687 km (0.11 R)
• M28: 12,159,614 km (0.116 R)
• M29: 12,336,289 km (0.093 R)
• M30: 12,469,581 km (0.091 R)
• M31: 13,735,179 km (0.085 R)
• M32: 14,243,662 km (0.063 R)
• M33: 14,476,736 km (0.091 R)
• M34: 14,617,208 km (0.094 R)
• M35: 15,136,163 km (0.115 R)
• M36: 15,565,359 km (0.064 R)
• M37: 15,757,293 km (0.094 R)
• M38: 15,853,634 km (0.06 R)
• M39: 16,925,802 km (0.085 R)
• M40: 17,123,271 km (0.081 R)
• M41: 18,781,414 km (0.089 R)
• M42: 18,883,590 km (0.073 R)
• M43: 20,858,880 km (0.075 R)
• M44: 21,123,668 km (0.1 R)
• M45: 21,496,316 km (0.106 R)
• M46: 21,978,470 km (0.069 R)
• M47: 23,501,526 km (0.117 R)
• M48: 23,611,630 km (0.117 R)
• M49: 23,998,191 km (0.102 R)
• M50: 24,220,194 km (0.108 R)
• M51: 25,170,739 km (0.077 R)
• M52: 25,396,183 km (0.105 R)
• M53: 25,905,863 km (0.102 R)
• M54: 26,705,464 km (0.051 R)
• M55: 27,339,460 km (0.076 R)
• M56: 27,803,662 km (0.047 R)
• M57: 28,622,112 km (0.079 R)
• M58: 28,739,696 km (0.045 R)
• M59: 29,093,495 km (0.077 R)
• M60: 29,448,640 km (0.111 R)
• M61: 29,626,811 km (0.053 R)
• M62: 30,642,880 km (0.106 R)
• M63: 31,609,581 km (0.06 R)
• M64: 31,731,204 km (0.111 R)
• M65: 32,586,306 km (0.115 R)
• M66: 32,770,610 km (0.117 R)
• M67: 32,832,095 km (0.044 R)
• M68: 32,955,214 km (0.09 R)
• M69: 33,510,970 km (0.112 R)
• M70: 35,134,257 km (0.11 R)
• M71: 37,487,880 km (0.091 R)
• M72: 37,552,207 km (0.093 R)
• M73: 38,521,302 km (0.106 R)
• M74: 39,041,604 km (0.109 R)
• M75: 39,564,149 km (0.093 R)
• M76: 40,484,325 km (0.055 R)
• M77: 41,079,575 km (0.044 R)
• M78: 41,677,668 km (0.053 R)
• M79: 42,278,602 km (0.041 R)
• M80: 42,613,851 km (0.119 R)
• M81: 43,556,916 km (0.1 R)
• M82: 44,234,594 km (0.036 R)
• M83: 44,302,661 km (0.097 R)
• M84: 45,189,478 km (0.059 R)
• M85: 45,463,541 km (0.104 R)
• M86: 45,669,388 km (0.084 R)
• M87: 45,738,053 km (0.115 R)
• M88: 45,944,498 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.2

Radius: 5.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 15.24 AU - 18.96 AU

Year: 25086 Days

Day: 15.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 59,308,982 km

• M1: 83,326 km (0.052 R)
• M2: 118,930 km (0.097 R)
• M3: 177,273 km (0.072 R)
• M4: 223,499 km (0.115 R)
• M5: 288,724 km (0.097 R)
• M6: 391,797 km (0.113 R)
• M7: 456,274 km (0.108 R)
• M8: 578,345 km (0.094 R)
• M9: 917,334 km (0.039 R)
• M10: 1,383,780 km (0.067 R)
• M11: 1,459,477 km (0.105 R)
• M12: 1,562,400 km (0.09 R)
• M13: 1,694,645 km (0.034 R)
• M14: 2,170,964 km (0.047 R)
• M15: 2,318,617 km (0.106 R)
• M16: 2,378,756 km (0.106 R)
• M17: 3,072,441 km (0.041 R)
• M18: 3,407,241 km (0.057 R)
• M19: 3,475,607 km (0.038 R)
• M20: 3,895,379 km (0.09 R)
• M21: 4,075,046 km (0.088 R)
• M22: 4,147,751 km (0.039 R)
• M23: 4,405,208 km (0.117 R)
• M24: 4,744,048 km (0.117 R)
• M25: 6,139,796 km (0.119 R)
• M26: 6,348,784 km (0.052 R)
• M27: 6,517,830 km (0.109 R)
• M28: 6,817,175 km (0.095 R)
• M29: 7,607,201 km (0.093 R)
• M30: 7,786,719 km (0.091 R)
• M31: 8,149,793 km (0.051 R)
• M32: 8,333,499 km (0.119 R)
• M33: 9,415,840 km (0.119 R)
• M34: 10,342,898 km (0.054 R)
• M35: 10,442,081 km (0.09 R)
• M36: 10,641,645 km (0.046 R)
• M37: 11,145,939 km (0.072 R)
• M38: 12,598,684 km (0.069 R)
• M39: 12,917,776 km (0.107 R)
• M40: 14,220,175 km (0.036 R)
• M41: 14,496,782 km (0.098 R)
• M42: 14,886,933 km (0.067 R)
• M43: 15,507,016 km (0.104 R)
• M44: 15,734,704 km (0.098 R)
• M45: 16,424,051 km (0.092 R)
• M46: 18,731,748 km (0.079 R)
• M47: 19,278,678 km (0.101 R)
• M48: 19,584,605 km (0.096 R)
• M49: 19,646,090 km (0.069 R)
• M50: 19,769,059 km (0.085 R)
• M51: 20,387,946 km (0.114 R)
• M52: 21,898,884 km (0.071 R)
• M53: 22,926,173 km (0.117 R)
• M54: 24,960,554 km (0.08 R)
• M55: 25,427,898 km (0.107 R)
• M56: 25,830,915 km (0.026 R)
• M57: 25,898,234 km (0.112 R)
• M58: 26,100,640 km (0.112 R)
• M59: 26,439,180 km (0.108 R)
• M60: 27,394,661 km (0.062 R)
• M61: 27,738,736 km (0.085 R)
• M62: 28,919,064 km (0.107 R)
• M63: 28,988,926 km (0.1 R)
• M64: 30,470,693 km (0.114 R)
• M65: 30,541,901 km (0.117 R)
• M66: 30,970,050 km (0.118 R)
• M67: 33,507,230 km (0.105 R)
• M68: 34,022,595 km (0.092 R)
• M69: 34,466,452 km (0.088 R)
• M70: 35,210,402 km (0.109 R)
• M71: 36,260,878 km (0.118 R)
• M72: 36,487,220 km (0.095 R)
• M73: 36,941,549 km (0.107 R)
• M74: 39,550,984 km (0.035 R)
• M75: 41,823,226 km (0.1 R)
• M76: 43,655,202 km (0.082 R)
• M77: 43,815,870 km (0.063 R)
• M78: 44,057,022 km (0.099 R)
• M79: 45,269,512 km (0.043 R)
• M80: 46,574,903 km (0.103 R)
• M81: 46,903,121 km (0.107 R)
• M82: 48,306,948 km (0.111 R)
• M83: 48,639,204 km (0.111 R)
• M84: 50,144,009 km (0.044 R)
• M85: 54,575,846 km (0.118 R)
• M86: 56,226,210 km (0.109 R)
• M87: 56,313,575 km (0.115 R)
• M88: 57,804,767 km (0.075 R)
• M89: 57,892,880 km (0.109 R)
• M90: 58,422,606 km (0.066 R)
• M91: 58,953,828 km (0.085 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: 250 - 18,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit