Star System Generated (Seed: 1767926040)
Star Details
Spectral Class: M6V
Temperature: 2,833 K
Mass: 0.29 sol
Luminosity: 0.01 lux
Habitable Zone (HZ)
Inner Boundary: 0.1 AU
Outer Boundary: 0.14 AU
Physical Limits
Snow Line: 0.48 AU
Max System Radius: 10.8 AU
Planetary System (7 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 0.93 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 679.7
Radius: 13.9
Gravity: 3.52 G
Time & Orbit
Eccentricity (e): 0.016
Orbit Range: 0.92 AU - 0.94 AU
Year: 608 Days
Day: 10.4 Hours
Environment
Temp: -170 °C
Axial Tilt: 41.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (42)
Outer Limit: 56,987,015 km
- M1: 214,224 km (0.12 R)
- M2: 312,360 km (0.107 R)
- M3: 436,377 km (0.07 R)
- M4: 531,072 km (0.113 R)
- M5: 622,178 km (0.112 R)
- M6: 780,452 km (0.036 R)
- M7: 928,255 km (0.098 R)
- M8: 1,021,903 km (0.053 R)
- M9: 1,141,432 km (0.104 R)
- M10: 1,271,582 km (0.066 R)
- M11: 1,579,454 km (0.11 R)
- M12: 1,681,031 km (0.073 R)
- M13: 1,785,002 km (0.092 R)
- M14: 1,958,835 km (0.049 R)
- M15: 2,061,907 km (0.079 R)
- M16: 2,367,386 km (0.072 R)
- M17: 2,492,450 km (0.071 R)
- M18: 2,672,716 km (0.116 R)
- M19: 2,764,569 km (0.113 R)
- M20: 2,998,839 km (0.111 R)
- M21: 3,118,517 km (0.071 R)
- M22: 3,215,457 km (0.1 R)
- M23: 3,338,127 km (0.119 R)
- M24: 3,512,558 km (0.119 R)
- M25: 3,853,043 km (0.074 R)
- M26: 4,186,796 km (0.062 R)
- M27: 4,411,492 km (0.086 R)
- M28: 4,502,447 km (0.102 R)
- M29: 4,603,426 km (0.039 R)
- M30: 4,714,278 km (0.073 R)
- M31: 4,835,452 km (0.079 R)
- M32: 4,995,522 km (0.095 R)
- M33: 5,090,516 km (0.102 R)
- M34: 5,272,727 km (0.083 R)
- M35: 5,505,950 km (0.076 R)
- M36: 5,683,223 km (0.092 R)
- M37: 5,772,533 km (0.04 R)
- M38: 5,902,384 km (0.094 R)
- M39: 6,104,042 km (0.025 R)
- M40: 6,400,694 km (0.104 R)
- M41: 6,870,432 km (0.052 R)
- M42: 7,275,842 km (0.094 R)
Planet 2 - Gas Giant
Semi-Major Axis: 1.25 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 215.9
Radius: 11
Gravity: 1.78 G
Time & Orbit
Eccentricity (e): 0.126
Orbit Range: 1.09 AU - 1.41 AU
Year: 948 Days
Day: 6.5 Hours
Environment
Temp: -178 °C
Axial Tilt: 29.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (46)
Outer Limit: 56,987,015 km
- M1: 143,464 km (0.097 R)
- M2: 304,432 km (0.067 R)
- M3: 433,983 km (0.114 R)
- M4: 542,292 km (0.107 R)
- M5: 726,597 km (0.045 R)
- M6: 841,189 km (0.066 R)
- M7: 977,323 km (0.047 R)
- M8: 1,058,704 km (0.052 R)
- M9: 1,163,722 km (0.069 R)
- M10: 1,250,489 km (0.09 R)
- M11: 1,333,964 km (0.104 R)
- M12: 1,506,750 km (0.093 R)
- M13: 1,602,044 km (0.069 R)
- M14: 1,805,198 km (0.072 R)
- M15: 1,900,342 km (0.1 R)
- M16: 2,030,043 km (0.06 R)
- M17: 2,115,912 km (0.114 R)
- M18: 2,196,396 km (0.075 R)
- M19: 2,360,355 km (0.089 R)
- M20: 2,606,892 km (0.053 R)
- M21: 2,744,223 km (0.087 R)
- M22: 3,033,994 km (0.105 R)
- M23: 3,125,100 km (0.057 R)
- M24: 3,263,627 km (0.048 R)
- M25: 3,627,000 km (0.11 R)
- M26: 3,740,096 km (0.067 R)
- M27: 3,903,906 km (0.077 R)
- M28: 3,978,406 km (0.119 R)
- M29: 4,154,034 km (0.105 R)
- M30: 4,281,192 km (0.096 R)
- M31: 4,418,224 km (0.079 R)
- M32: 4,617,637 km (0.075 R)
- M33: 4,793,565 km (0.084 R)
- M34: 5,025,740 km (0.101 R)
- M35: 5,371,611 km (0.116 R)
- M36: 5,491,738 km (0.069 R)
- M37: 5,584,788 km (0.12 R)
- M38: 5,668,862 km (0.117 R)
- M39: 5,791,233 km (0.063 R)
- M40: 5,885,928 km (0.076 R)
- M41: 5,962,074 km (0.073 R)
- M42: 6,124,986 km (0.108 R)
- M43: 6,202,178 km (0.11 R)
- M44: 6,279,670 km (0.063 R)
- M45: 6,642,445 km (0.118 R)
- M46: 6,781,421 km (0.104 R)
Planet 3 - Gas Giant
Semi-Major Axis: 1.58 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 44.6
Radius: 11.4
Gravity: 0.34 G
Time & Orbit
Eccentricity (e): 0.177
Orbit Range: 1.3 AU - 1.86 AU
Year: 1347 Days
Day: 5.1 Hours
Environment
Temp: -200 °C
Axial Tilt: 38.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (34)
Outer Limit: 56,987,015 km
- M1: 142,268 km (0.063 R)
- M2: 292,913 km (0.071 R)
- M3: 372,648 km (0.108 R)
- M4: 502,350 km (0.029 R)
- M5: 605,572 km (0.063 R)
- M6: 720,912 km (0.056 R)
- M7: 1,062,743 km (0.107 R)
- M8: 1,157,289 km (0.051 R)
- M9: 1,250,339 km (0.113 R)
- M10: 1,364,482 km (0.12 R)
- M11: 1,444,367 km (0.086 R)
- M12: 1,559,707 km (0.08 R)
- M13: 1,648,419 km (0.099 R)
- M14: 1,723,816 km (0.086 R)
- M15: 1,898,846 km (0.055 R)
- M16: 2,227,961 km (0.064 R)
- M17: 2,534,637 km (0.042 R)
- M18: 2,610,632 km (0.087 R)
- M19: 2,699,194 km (0.095 R)
- M20: 2,776,686 km (0.07 R)
- M21: 3,213,811 km (0.103 R)
- M22: 3,353,685 km (0.055 R)
- M23: 3,639,716 km (0.12 R)
- M24: 3,745,631 km (0.075 R)
- M25: 3,926,944 km (0.106 R)
- M26: 4,083,573 km (0.1 R)
- M27: 4,166,301 km (0.075 R)
- M28: 4,326,221 km (0.116 R)
- M29: 4,452,781 km (0.099 R)
- M30: 4,559,145 km (0.058 R)
- M31: 4,731,332 km (0.109 R)
- M32: 4,825,429 km (0.105 R)
- M33: 4,934,785 km (0.101 R)
- M34: 5,015,568 km (0.118 R)
Planet 4 - Gas Giant
Semi-Major Axis: 2.05 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 252.7
Radius: 13.8
Gravity: 1.33 G
Time & Orbit
Eccentricity (e): 0.136
Orbit Range: 1.77 AU - 2.33 AU
Year: 1991 Days
Day: 14.6 Hours
Environment
Temp: -199 °C
Axial Tilt: 35.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (54)
Outer Limit: 56,987,015 km
- M1: 173,534 km (0.097 R)
- M2: 437,873 km (0.099 R)
- M3: 558,898 km (0.106 R)
- M4: 675,883 km (0.085 R)
- M5: 796,160 km (0.092 R)
- M6: 890,107 km (0.105 R)
- M7: 988,244 km (0.117 R)
- M8: 1,135,597 km (0.117 R)
- M9: 1,283,101 km (0.081 R)
- M10: 1,445,564 km (0.043 R)
- M11: 1,572,124 km (0.1 R)
- M12: 1,676,244 km (0.105 R)
- M13: 1,891,964 km (0.105 R)
- M14: 2,040,964 km (0.041 R)
- M15: 2,145,682 km (0.087 R)
- M16: 2,252,495 km (0.095 R)
- M17: 2,400,896 km (0.108 R)
- M18: 2,552,738 km (0.036 R)
- M19: 2,666,283 km (0.11 R)
- M20: 2,781,473 km (0.092 R)
- M21: 2,898,309 km (0.082 R)
- M22: 3,027,861 km (0.088 R)
- M23: 3,159,357 km (0.081 R)
- M24: 3,348,898 km (0.078 R)
- M25: 3,692,823 km (0.096 R)
- M26: 4,024,332 km (0.111 R)
- M27: 4,489,731 km (0.085 R)
- M28: 4,933,887 km (0.1 R)
- M29: 5,141,679 km (0.107 R)
- M30: 5,498,919 km (0.083 R)
- M31: 5,714,489 km (0.075 R)
- M32: 6,209,957 km (0.111 R)
- M33: 6,392,317 km (0.095 R)
- M34: 6,576,322 km (0.096 R)
- M35: 6,704,827 km (0.103 R)
- M36: 6,993,551 km (0.104 R)
- M37: 7,345,405 km (0.11 R)
- M38: 7,627,995 km (0.104 R)
- M39: 7,793,301 km (0.093 R)
- M40: 7,959,804 km (0.077 R)
- M41: 8,066,317 km (0.09 R)
- M42: 8,250,173 km (0.117 R)
- M43: 8,404,558 km (0.067 R)
- M44: 8,606,515 km (0.091 R)
- M45: 8,778,702 km (0.118 R)
- M46: 9,302,145 km (0.111 R)
- M47: 9,494,977 km (0.118 R)
- M48: 9,738,073 km (0.05 R)
- M49: 9,901,135 km (0.115 R)
- M50: 10,329,733 km (0.037 R)
- M51: 10,546,201 km (0.056 R)
- M52: 10,797,974 km (0.072 R)
- M53: 11,034,788 km (0.101 R)
- M54: 11,410,278 km (0.112 R)
Planet 5 - Gas Giant
Semi-Major Axis: 2.35 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 882.9
Radius: 8.1
Gravity: 13.46 G
Time & Orbit
Eccentricity (e): 0.143
Orbit Range: 2.01 AU - 2.69 AU
Year: 2443 Days
Day: 10.8 Hours
Environment
Temp: -203 °C
Axial Tilt: 31.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (74)
Outer Limit: 56,987,015 km
- M1: 145,708 km (0.114 R)
- M2: 341,233 km (0.074 R)
- M3: 444,754 km (0.066 R)
- M4: 577,149 km (0.095 R)
- M5: 630,256 km (0.062 R)
- M6: 713,582 km (0.105 R)
- M7: 975,827 km (0.099 R)
- M8: 1,029,832 km (0.077 R)
- M9: 1,186,311 km (0.073 R)
- M10: 1,244,056 km (0.105 R)
- M11: 1,448,107 km (0.089 R)
- M12: 1,535,323 km (0.111 R)
- M13: 1,637,049 km (0.109 R)
- M14: 1,956,291 km (0.113 R)
- M15: 2,137,305 km (0.105 R)
- M16: 2,222,725 km (0.117 R)
- M17: 2,280,320 km (0.113 R)
- M18: 2,713,107 km (0.097 R)
- M19: 2,852,532 km (0.089 R)
- M20: 3,517,944 km (0.087 R)
- M21: 3,738,750 km (0.066 R)
- M22: 3,807,565 km (0.118 R)
- M23: 4,158,222 km (0.086 R)
- M24: 4,283,436 km (0.116 R)
- M25: 4,778,156 km (0.114 R)
- M26: 4,947,052 km (0.112 R)
- M27: 5,022,749 km (0.095 R)
- M28: 5,504,753 km (0.069 R)
- M29: 5,622,636 km (0.03 R)
- M30: 5,761,313 km (0.117 R)
- M31: 5,981,372 km (0.109 R)
- M32: 6,224,767 km (0.111 R)
- M33: 6,512,743 km (0.066 R)
- M34: 6,953,010 km (0.03 R)
- M35: 7,123,252 km (0.103 R)
- M36: 7,467,776 km (0.038 R)
- M37: 7,620,366 km (0.078 R)
- M38: 7,751,862 km (0.083 R)
- M39: 8,150,990 km (0.093 R)
- M40: 8,218,159 km (0.088 R)
- M41: 8,330,507 km (0.063 R)
- M42: 8,511,371 km (0.081 R)
- M43: 9,154,642 km (0.032 R)
- M44: 9,529,235 km (0.057 R)
- M45: 9,671,054 km (0.113 R)
- M46: 10,052,528 km (0.078 R)
- M47: 10,707,617 km (0.105 R)
- M48: 10,805,753 km (0.032 R)
- M49: 10,879,655 km (0.046 R)
- M50: 11,804,319 km (0.114 R)
- M51: 11,880,315 km (0.088 R)
- M52: 12,340,328 km (0.049 R)
- M53: 12,469,132 km (0.041 R)
- M54: 13,119,733 km (0.087 R)
- M55: 13,621,634 km (0.111 R)
- M56: 13,888,218 km (0.052 R)
- M57: 14,022,257 km (0.05 R)
- M58: 14,102,890 km (0.097 R)
- M59: 14,237,529 km (0.111 R)
- M60: 14,345,538 km (0.097 R)
- M61: 14,399,693 km (0.069 R)
- M62: 14,835,172 km (0.12 R)
- M63: 14,944,827 km (0.062 R)
- M64: 16,336,686 km (0.111 R)
- M65: 16,506,479 km (0.105 R)
- M66: 16,990,877 km (0.098 R)
- M67: 17,191,638 km (0.093 R)
- M68: 17,740,662 km (0.067 R)
- M69: 18,061,101 km (0.093 R)
- M70: 18,648,571 km (0.105 R)
- M71: 19,093,326 km (0.115 R)
- M72: 19,302,164 km (0.044 R)
- M73: 19,812,293 km (0.041 R)
- M74: 20,387,796 km (0.102 R)
Planet 6 - Gas Giant
Semi-Major Axis: 3.44 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 916.2
Radius: 12.6
Gravity: 5.77 G
Time & Orbit
Eccentricity (e): 0.031
Orbit Range: 3.33 AU - 3.55 AU
Year: 4327 Days
Day: 11.2 Hours
Environment
Temp: -210 °C
Axial Tilt: 14.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (74)
Outer Limit: 56,987,015 km
- M1: 167,250 km (0.097 R)
- M2: 268,528 km (0.082 R)
- M3: 379,380 km (0.087 R)
- M4: 811,419 km (0.108 R)
- M5: 995,424 km (0.053 R)
- M6: 1,092,962 km (0.119 R)
- M7: 1,253,331 km (0.102 R)
- M8: 1,920,388 km (0.07 R)
- M9: 2,319,515 km (0.102 R)
- M10: 2,825,006 km (0.109 R)
- M11: 3,111,486 km (0.08 R)
- M12: 3,407,540 km (0.052 R)
- M13: 3,537,242 km (0.085 R)
- M14: 3,624,756 km (0.08 R)
- M15: 4,072,802 km (0.119 R)
- M16: 4,681,965 km (0.116 R)
- M17: 4,923,864 km (0.111 R)
- M18: 5,071,069 km (0.069 R)
- M19: 6,010,992 km (0.06 R)
- M20: 6,460,833 km (0.059 R)
- M21: 6,785,011 km (0.063 R)
- M22: 6,949,120 km (0.113 R)
- M23: 7,169,927 km (0.065 R)
- M24: 7,477,500 km (0.057 R)
- M25: 7,817,985 km (0.103 R)
- M26: 8,105,661 km (0.073 R)
- M27: 8,221,600 km (0.037 R)
- M28: 8,484,742 km (0.069 R)
- M29: 9,019,405 km (0.114 R)
- M30: 9,200,119 km (0.103 R)
- M31: 9,534,471 km (0.109 R)
- M32: 10,309,238 km (0.106 R)
- M33: 11,104,201 km (0.091 R)
- M34: 12,250,270 km (0.05 R)
- M35: 12,383,712 km (0.094 R)
- M36: 12,854,347 km (0.057 R)
- M37: 13,194,233 km (0.088 R)
- M38: 14,266,401 km (0.096 R)
- M39: 14,759,775 km (0.091 R)
- M40: 14,901,743 km (0.119 R)
- M41: 15,151,422 km (0.117 R)
- M42: 15,366,394 km (0.103 R)
- M43: 15,474,404 km (0.083 R)
- M44: 15,690,872 km (0.052 R)
- M45: 16,090,597 km (0.087 R)
- M46: 16,383,510 km (0.032 R)
- M47: 17,048,772 km (0.106 R)
- M48: 17,384,619 km (0.097 R)
- M49: 18,788,894 km (0.097 R)
- M50: 20,111,040 km (0.117 R)
- M51: 20,268,567 km (0.112 R)
- M52: 20,347,554 km (0.116 R)
- M53: 20,426,542 km (0.071 R)
- M54: 20,942,655 km (0.111 R)
- M55: 21,022,540 km (0.106 R)
- M56: 21,423,013 km (0.045 R)
- M57: 21,906,963 km (0.09 R)
- M58: 22,598,703 km (0.104 R)
- M59: 22,926,622 km (0.079 R)
- M60: 23,380,352 km (0.055 R)
- M61: 23,504,518 km (0.093 R)
- M62: 24,464,189 km (0.108 R)
- M63: 25,181,810 km (0.066 R)
- M64: 25,394,239 km (0.11 R)
- M65: 26,594,462 km (0.116 R)
- M66: 26,984,165 km (0.093 R)
- M67: 27,201,530 km (0.103 R)
- M68: 27,506,860 km (0.113 R)
- M69: 27,594,225 km (0.092 R)
- M70: 27,769,404 km (0.05 R)
- M71: 28,473,561 km (0.115 R)
- M72: 28,606,404 km (0.111 R)
- M73: 28,739,247 km (0.07 R)
- M74: 29,496,212 km (0.118 R)
Asteroid Belt
Center: 5.09 AU
Composition
Type: Outer System (Icy)
A dense region of planetesimals and debris.
Boundary
Planet 7 - Ice Giant
Semi-Major Axis: 6.73 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 820.9
Radius: 8
Gravity: 12.83 G
Time & Orbit
Eccentricity (e): 0.195
Orbit Range: 5.42 AU - 8.04 AU
Year: 11842 Days
Day: 20.3 Hours
Environment
Temp: -223 °C
Axial Tilt: 34.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (89)
Outer Limit: 56,987,015 km
- M1: 108,907 km (0.114 R)
- M2: 165,156 km (0.044 R)
- M3: 660,774 km (0.113 R)
- M4: 1,267,992 km (0.099 R)
- M5: 1,386,772 km (0.049 R)
- M6: 1,952,701 km (0.086 R)
- M7: 2,146,729 km (0.06 R)
- M8: 2,231,701 km (0.113 R)
- M9: 2,704,580 km (0.04 R)
- M10: 3,240,439 km (0.071 R)
- M11: 3,740,246 km (0.118 R)
- M12: 3,912,284 km (0.025 R)
- M13: 4,016,703 km (0.105 R)
- M14: 4,086,864 km (0.071 R)
- M15: 4,371,699 km (0.109 R)
- M16: 4,848,168 km (0.038 R)
- M17: 6,090,129 km (0.091 R)
- M18: 6,333,525 km (0.115 R)
- M19: 6,704,677 km (0.097 R)
- M20: 7,210,468 km (0.119 R)
- M21: 7,597,926 km (0.108 R)
- M22: 7,816,040 km (0.087 R)
- M23: 8,800,394 km (0.085 R)
- M24: 8,937,725 km (0.075 R)
- M25: 9,214,331 km (0.119 R)
- M26: 9,400,431 km (0.119 R)
- M27: 9,918,339 km (0.111 R)
- M28: 10,108,927 km (0.025 R)
- M29: 10,639,550 km (0.109 R)
- M30: 13,320,194 km (0.079 R)
- M31: 13,689,103 km (0.111 R)
- M32: 14,707,415 km (0.079 R)
- M33: 16,028,215 km (0.11 R)
- M34: 16,140,114 km (0.067 R)
- M35: 16,252,163 km (0.043 R)
- M36: 16,646,353 km (0.069 R)
- M37: 17,157,679 km (0.045 R)
- M38: 17,444,159 km (0.109 R)
- M39: 17,501,604 km (0.055 R)
- M40: 19,313,983 km (0.048 R)
- M41: 19,433,063 km (0.119 R)
- M42: 23,684,185 km (0.064 R)
- M43: 25,032,810 km (0.111 R)
- M44: 25,227,587 km (0.102 R)
- M45: 26,208,649 km (0.12 R)
- M46: 26,737,029 km (0.074 R)
- M47: 27,536,031 km (0.11 R)
- M48: 27,670,071 km (0.06 R)
- M49: 27,871,280 km (0.063 R)
- M50: 28,681,502 km (0.09 R)
- M51: 28,885,254 km (0.07 R)
- M52: 29,362,472 km (0.11 R)
- M53: 29,911,197 km (0.054 R)
- M54: 30,255,870 km (0.106 R)
- M55: 30,394,099 km (0.091 R)
- M56: 30,463,213 km (0.056 R)
- M57: 30,601,740 km (0.114 R)
- M58: 31,577,418 km (0.094 R)
- M59: 31,858,063 km (0.102 R)
- M60: 32,775,846 km (0.105 R)
- M61: 33,273,708 km (0.119 R)
- M62: 33,702,306 km (0.096 R)
- M63: 33,917,428 km (0.103 R)
- M64: 35,144,429 km (0.06 R)
- M65: 35,508,102 km (0.08 R)
- M66: 36,901,307 km (0.061 R)
- M67: 37,270,963 km (0.112 R)
- M68: 39,212,743 km (0.107 R)
- M69: 39,514,333 km (0.06 R)
- M70: 41,493,662 km (0.066 R)
- M71: 43,038,111 km (0.097 R)
- M72: 43,739,276 km (0.081 R)
- M73: 43,973,845 km (0.098 R)
- M74: 45,231,814 km (0.097 R)
- M75: 46,501,601 km (0.117 R)
- M76: 47,301,201 km (0.103 R)
- M77: 47,381,386 km (0.12 R)
- M78: 47,702,722 km (0.115 R)
- M79: 48,024,806 km (0.111 R)
- M80: 48,105,290 km (0.074 R)
- M81: 48,347,489 km (0.117 R)
- M82: 48,589,987 km (0.104 R)
- M83: 49,076,180 km (0.074 R)
- M84: 51,119,537 km (0.085 R)
- M85: 51,861,991 km (0.093 R)
- M86: 53,440,997 km (0.099 R)
- M87: 53,859,123 km (0.045 R)
- M88: 54,446,444 km (0.047 R)
- M89: 56,135,853 km (0.093 R)
Kuiper Belt
Range: 30 - 59 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 344 - 10,974 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.