G1V Star System Generated (Seed: 1766874986)
Star Details
Spectral Class: G4V
Temperature: 5,680 K
Mass: 1.02 sol
Luminosity: 1.07 lux
Habitable Zone (HZ)
Inner Boundary: 0.99 AU
Outer Boundary: 1.42 AU
Physical Limits
Snow Line: 4.97 AU
Max System Radius: 20.2 AU
Planetary System (7 Planets)
Planet 1 - Terrestrial
Semi-Major Axis: 0.56 AU
Status: Inner (Hot)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 3.83
Radius: 1.71
Gravity: 1.31 G
Time & Orbit
Eccentricity (e): 0.232
Orbit Range: 0.43 AU - 0.69 AU
Year: 152 Days
Day: 37.1 Hours
Environment
Temp: 207 °C
Axial Tilt: 49.3 °
Atmosphere: Dense COâ‚‚
Biome: Volcanic/Barren
Satellites (2)
Outer Limit: 87,038,857 km
- M1: 40,242 km (0.082 R)
- M2: 64,028 km (0.115 R)
Planet 2 - Terrestrial
Semi-Major Axis: 0.56 AU
Status: Inner (Hot)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 2.86
Radius: 1.52
Gravity: 1.24 G
Time & Orbit
Eccentricity (e): 0.154
Orbit Range: 0.47 AU - 0.65 AU
Year: 152 Days
Day: 39.4 Hours
Environment
Temp: 255 °C
Axial Tilt: 20.9 °
Atmosphere: Dense COâ‚‚
Biome: Volcanic/Barren
Satellites (1)
Outer Limit: 87,038,857 km
- M1: 102,026 km (0.088 R)
Planet 3 - Gas Giant
Semi-Major Axis: 6.25 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 121.6
Radius: 8.6
Gravity: 1.64 G
Time & Orbit
Eccentricity (e): 0.158
Orbit Range: 5.26 AU - 7.24 AU
Year: 5651 Days
Day: 11.2 Hours
Environment
Temp: -140 °C
Axial Tilt: 24.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (61)
Outer Limit: 87,038,857 km
- M1: 122,521 km (0.12 R)
- M2: 179,368 km (0.066 R)
- M3: 299,495 km (0.115 R)
- M4: 560,543 km (0.041 R)
- M5: 634,594 km (0.068 R)
- M6: 1,025,045 km (0.086 R)
- M7: 1,278,463 km (0.068 R)
- M8: 1,390,063 km (0.084 R)
- M9: 1,447,060 km (0.084 R)
- M10: 1,504,955 km (0.09 R)
- M11: 1,563,597 km (0.089 R)
- M12: 1,707,510 km (0.083 R)
- M13: 1,970,204 km (0.07 R)
- M14: 2,675,259 km (0.111 R)
- M15: 3,561,477 km (0.073 R)
- M16: 3,865,011 km (0.106 R)
- M17: 4,176,922 km (0.042 R)
- M18: 4,310,663 km (0.076 R)
- M19: 5,054,164 km (0.102 R)
- M20: 5,268,687 km (0.103 R)
- M21: 5,799,610 km (0.118 R)
- M22: 5,967,758 km (0.102 R)
- M23: 6,062,005 km (0.038 R)
- M24: 6,405,182 km (0.118 R)
- M25: 6,774,240 km (0.096 R)
- M26: 7,130,283 km (0.117 R)
- M27: 7,190,272 km (0.111 R)
- M28: 7,350,940 km (0.107 R)
- M29: 7,984,786 km (0.053 R)
- M30: 8,487,435 km (0.066 R)
- M31: 8,593,500 km (0.1 R)
- M32: 9,457,577 km (0.113 R)
- M33: 9,744,357 km (0.077 R)
- M34: 10,191,205 km (0.093 R)
- M35: 10,371,920 km (0.094 R)
- M36: 10,439,837 km (0.114 R)
- M37: 10,667,675 km (0.041 R)
- M38: 11,012,348 km (0.102 R)
- M39: 11,314,087 km (0.097 R)
- M40: 11,783,675 km (0.026 R)
- M41: 11,878,221 km (0.084 R)
- M42: 12,163,803 km (0.081 R)
- M43: 12,235,610 km (0.097 R)
- M44: 12,863,323 km (0.037 R)
- M45: 13,009,629 km (0.059 R)
- M46: 13,107,466 km (0.053 R)
- M47: 13,824,339 km (0.065 R)
- M48: 13,974,236 km (0.078 R)
- M49: 14,049,484 km (0.115 R)
- M50: 14,655,655 km (0.1 R)
- M51: 15,841,068 km (0.098 R)
- M52: 16,076,685 km (0.061 R)
- M53: 16,392,486 km (0.099 R)
- M54: 16,790,267 km (0.099 R)
- M55: 16,896,930 km (0.034 R)
- M56: 17,379,383 km (0.081 R)
- M57: 17,541,248 km (0.066 R)
- M58: 17,676,484 km (0.097 R)
- M59: 17,812,170 km (0.12 R)
- M60: 17,893,701 km (0.034 R)
- M61: 17,948,005 km (0.112 R)
Planet 4 - Gas Giant
Semi-Major Axis: 6.83 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 842
Radius: 8.8
Gravity: 10.87 G
Time & Orbit
Eccentricity (e): 0.221
Orbit Range: 5.32 AU - 8.34 AU
Year: 6455 Days
Day: 13.3 Hours
Environment
Temp: -165 °C
Axial Tilt: 31.9 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (82)
Outer Limit: 87,038,857 km
- M1: 209,587 km (0.105 R)
- M2: 426,952 km (0.105 R)
- M3: 629,807 km (0.06 R)
- M4: 728,691 km (0.11 R)
- M5: 942,467 km (0.107 R)
- M6: 1,429,258 km (0.08 R)
- M7: 1,485,656 km (0.091 R)
- M8: 1,542,803 km (0.118 R)
- M9: 2,353,324 km (0.075 R)
- M10: 2,579,965 km (0.058 R)
- M11: 2,909,080 km (0.058 R)
- M12: 3,152,476 km (0.115 R)
- M13: 3,607,253 km (0.077 R)
- M14: 3,868,751 km (0.108 R)
- M15: 4,662,218 km (0.088 R)
- M16: 4,889,756 km (0.116 R)
- M17: 5,062,841 km (0.096 R)
- M18: 5,504,603 km (0.079 R)
- M19: 6,020,118 km (0.101 R)
- M20: 6,361,949 km (0.116 R)
- M21: 8,198,412 km (0.107 R)
- M22: 8,577,194 km (0.115 R)
- M23: 9,639,339 km (0.067 R)
- M24: 10,444,475 km (0.058 R)
- M25: 10,555,925 km (0.113 R)
- M26: 10,705,224 km (0.116 R)
- M27: 11,043,464 km (0.117 R)
- M28: 11,271,003 km (0.039 R)
- M29: 11,347,148 km (0.111 R)
- M30: 12,196,565 km (0.091 R)
- M31: 12,628,903 km (0.083 R)
- M32: 12,866,913 km (0.046 R)
- M33: 13,186,454 km (0.116 R)
- M34: 14,823,503 km (0.101 R)
- M35: 15,032,492 km (0.072 R)
- M36: 15,200,490 km (0.104 R)
- M37: 15,793,346 km (0.087 R)
- M38: 16,523,534 km (0.102 R)
- M39: 17,484,550 km (0.111 R)
- M40: 18,016,520 km (0.089 R)
- M41: 18,688,813 km (0.108 R)
- M42: 18,824,199 km (0.086 R)
- M43: 18,914,706 km (0.071 R)
- M44: 19,689,623 km (0.103 R)
- M45: 20,196,610 km (0.117 R)
- M46: 20,568,062 km (0.083 R)
- M47: 20,801,285 km (0.03 R)
- M48: 21,223,450 km (0.118 R)
- M49: 22,506,700 km (0.117 R)
- M50: 23,181,985 km (0.074 R)
- M51: 23,522,021 km (0.059 R)
- M52: 24,651,186 km (0.069 R)
- M53: 24,799,886 km (0.029 R)
- M54: 25,097,885 km (0.051 R)
- M55: 26,201,020 km (0.054 R)
- M56: 26,301,998 km (0.094 R)
- M57: 26,504,554 km (0.105 R)
- M58: 27,217,388 km (0.093 R)
- M59: 28,039,877 km (0.063 R)
- M60: 28,818,384 km (0.116 R)
- M61: 28,974,864 km (0.081 R)
- M62: 29,341,229 km (0.085 R)
- M63: 31,142,537 km (0.075 R)
- M64: 31,733,000 km (0.097 R)
- M65: 31,840,710 km (0.091 R)
- M66: 31,948,570 km (0.115 R)
- M67: 32,110,585 km (0.115 R)
- M68: 33,416,724 km (0.062 R)
- M69: 33,636,034 km (0.093 R)
- M70: 33,745,988 km (0.119 R)
- M71: 33,910,995 km (0.079 R)
- M72: 34,463,011 km (0.111 R)
- M73: 34,629,214 km (0.119 R)
- M74: 34,740,066 km (0.102 R)
- M75: 34,851,218 km (0.099 R)
- M76: 35,519,920 km (0.087 R)
- M77: 36,418,255 km (0.116 R)
- M78: 36,870,340 km (0.089 R)
- M79: 37,040,283 km (0.095 R)
- M80: 37,153,678 km (0.112 R)
- M81: 37,437,914 km (0.084 R)
- M82: 38,122,773 km (0.066 R)
Planet 5 - Gas Giant
Semi-Major Axis: 8.69 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 224.3
Radius: 10.4
Gravity: 2.07 G
Time & Orbit
Eccentricity (e): 0.205
Orbit Range: 6.91 AU - 10.47 AU
Year: 9264 Days
Day: 6.6 Hours
Environment
Temp: -176 °C
Axial Tilt: 13.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (78)
Outer Limit: 87,038,857 km
- M1: 192,682 km (0.055 R)
- M2: 379,530 km (0.099 R)
- M3: 478,863 km (0.089 R)
- M4: 671,545 km (0.096 R)
- M5: 1,103,284 km (0.056 R)
- M6: 1,193,193 km (0.078 R)
- M7: 1,680,283 km (0.04 R)
- M8: 2,617,364 km (0.057 R)
- M9: 2,759,931 km (0.115 R)
- M10: 2,905,041 km (0.08 R)
- M11: 3,138,414 km (0.078 R)
- M12: 3,466,482 km (0.119 R)
- M13: 3,668,738 km (0.046 R)
- M14: 3,874,884 km (0.062 R)
- M15: 4,132,043 km (0.119 R)
- M16: 4,589,363 km (0.079 R)
- M17: 4,962,012 km (0.033 R)
- M18: 5,370,264 km (0.102 R)
- M19: 5,789,438 km (0.047 R)
- M20: 5,895,951 km (0.035 R)
- M21: 6,056,769 km (0.091 R)
- M22: 7,109,639 km (0.036 R)
- M23: 7,252,355 km (0.107 R)
- M24: 7,774,153 km (0.049 R)
- M25: 8,069,309 km (0.111 R)
- M26: 8,338,137 km (0.069 R)
- M27: 9,411,352 km (0.062 R)
- M28: 9,631,111 km (0.088 R)
- M29: 9,884,530 km (0.078 R)
- M30: 9,980,123 km (0.106 R)
- M31: 10,690,563 km (0.115 R)
- M32: 11,018,781 km (0.096 R)
- M33: 11,350,439 km (0.112 R)
- M34: 11,651,729 km (0.111 R)
- M35: 12,296,496 km (0.105 R)
- M36: 12,744,392 km (0.108 R)
- M37: 13,022,644 km (0.068 R)
- M38: 13,092,506 km (0.085 R)
- M39: 13,302,991 km (0.111 R)
- M40: 13,408,607 km (0.03 R)
- M41: 13,514,522 km (0.064 R)
- M42: 13,585,282 km (0.052 R)
- M43: 14,155,699 km (0.087 R)
- M44: 15,357,119 km (0.027 R)
- M45: 15,616,073 km (0.079 R)
- M46: 15,764,773 km (0.071 R)
- M47: 16,251,265 km (0.079 R)
- M48: 16,932,983 km (0.081 R)
- M49: 18,285,049 km (0.083 R)
- M50: 18,638,399 km (0.067 R)
- M51: 19,152,716 km (0.094 R)
- M52: 19,351,681 km (0.07 R)
- M53: 19,872,581 km (0.113 R)
- M54: 19,953,065 km (0.097 R)
- M55: 20,074,089 km (0.092 R)
- M56: 20,357,278 km (0.113 R)
- M57: 21,091,804 km (0.104 R)
- M58: 21,669,102 km (0.043 R)
- M59: 21,752,129 km (0.118 R)
- M60: 23,858,616 km (0.113 R)
- M61: 24,072,841 km (0.095 R)
- M62: 24,589,701 km (0.11 R)
- M63: 24,892,786 km (0.095 R)
- M64: 25,066,619 km (0.111 R)
- M65: 25,153,536 km (0.107 R)
- M66: 26,029,581 km (0.12 R)
- M67: 26,250,088 km (0.055 R)
- M68: 27,138,550 km (0.084 R)
- M69: 27,406,928 km (0.061 R)
- M70: 27,766,262 km (0.105 R)
- M71: 28,444,240 km (0.094 R)
- M72: 28,944,794 km (0.116 R)
- M73: 29,127,603 km (0.115 R)
- M74: 29,816,352 km (0.099 R)
- M75: 30,417,585 km (0.087 R)
- M76: 30,929,509 km (0.103 R)
- M77: 31,209,856 km (0.111 R)
- M78: 31,397,302 km (0.084 R)
Planet 6 - Ice Giant
Semi-Major Axis: 13.95 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 759.4
Radius: 5.9
Gravity: 21.82 G
Time & Orbit
Eccentricity (e): 0.105
Orbit Range: 12.49 AU - 15.41 AU
Year: 18843 Days
Day: 23.2 Hours
Environment
Temp: -197 °C
Axial Tilt: 17.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (97)
Outer Limit: 87,038,857 km
- M1: 100,081 km (0.105 R)
- M2: 427,551 km (0.109 R)
- M3: 526,585 km (0.11 R)
- M4: 655,687 km (0.108 R)
- M5: 1,075,309 km (0.108 R)
- M6: 1,326,335 km (0.113 R)
- M7: 1,595,461 km (0.113 R)
- M8: 2,047,097 km (0.099 R)
- M9: 2,252,346 km (0.038 R)
- M10: 2,682,739 km (0.1 R)
- M11: 3,177,160 km (0.064 R)
- M12: 3,658,266 km (0.072 R)
- M13: 3,782,133 km (0.096 R)
- M14: 4,034,056 km (0.098 R)
- M15: 4,291,365 km (0.101 R)
- M16: 4,334,748 km (0.069 R)
- M17: 5,943,972 km (0.101 R)
- M18: 6,138,599 km (0.087 R)
- M19: 7,091,238 km (0.037 R)
- M20: 7,506,073 km (0.072 R)
- M21: 7,663,600 km (0.113 R)
- M22: 8,250,771 km (0.108 R)
- M23: 9,298,555 km (0.076 R)
- M24: 9,467,900 km (0.051 R)
- M25: 10,563,405 km (0.116 R)
- M26: 11,155,962 km (0.118 R)
- M27: 11,335,779 km (0.087 R)
- M28: 11,637,817 km (0.06 R)
- M29: 11,698,404 km (0.097 R)
- M30: 12,373,090 km (0.079 R)
- M31: 12,871,700 km (0.112 R)
- M32: 13,695,984 km (0.065 R)
- M33: 13,760,012 km (0.115 R)
- M34: 14,146,723 km (0.113 R)
- M35: 14,602,547 km (0.103 R)
- M36: 14,668,071 km (0.05 R)
- M37: 14,930,915 km (0.072 R)
- M38: 15,662,149 km (0.116 R)
- M39: 16,065,914 km (0.096 R)
- M40: 18,346,832 km (0.09 R)
- M41: 18,986,363 km (0.091 R)
- M42: 19,344,800 km (0.099 R)
- M43: 19,560,819 km (0.091 R)
- M44: 20,653,482 km (0.114 R)
- M45: 21,318,445 km (0.089 R)
- M46: 21,765,742 km (0.073 R)
- M47: 22,140,784 km (0.101 R)
- M48: 22,593,766 km (0.109 R)
- M49: 23,278,775 km (0.106 R)
- M50: 24,048,007 km (0.079 R)
- M51: 25,138,875 km (0.117 R)
- M52: 25,611,305 km (0.106 R)
- M53: 25,769,430 km (0.092 R)
- M54: 27,126,582 km (0.107 R)
- M55: 27,530,197 km (0.092 R)
- M56: 29,577,593 km (0.074 R)
- M57: 30,076,353 km (0.114 R)
- M58: 30,577,805 km (0.074 R)
- M59: 31,166,323 km (0.099 R)
- M60: 31,504,264 km (0.113 R)
- M61: 33,298,392 km (0.12 R)
- M62: 35,037,616 km (0.085 R)
- M63: 35,301,058 km (0.09 R)
- M64: 37,432,230 km (0.057 R)
- M65: 40,154,013 km (0.12 R)
- M66: 40,613,877 km (0.054 R)
- M67: 40,706,029 km (0.081 R)
- M68: 41,353,190 km (0.076 R)
- M69: 41,445,940 km (0.052 R)
- M70: 41,538,691 km (0.104 R)
- M71: 42,938,927 km (0.076 R)
- M72: 43,881,095 km (0.069 R)
- M73: 44,165,031 km (0.076 R)
- M74: 45,211,468 km (0.081 R)
- M75: 45,402,505 km (0.1 R)
- M76: 48,496,937 km (0.1 R)
- M77: 52,459,485 km (0.116 R)
- M78: 55,192,339 km (0.09 R)
- M79: 56,730,505 km (0.12 R)
- M80: 56,833,428 km (0.06 R)
- M81: 57,039,723 km (0.113 R)
- M82: 57,556,584 km (0.11 R)
- M83: 58,074,941 km (0.097 R)
- M84: 59,639,136 km (0.072 R)
- M85: 60,268,793 km (0.087 R)
- M86: 60,373,811 km (0.096 R)
- M87: 61,111,628 km (0.028 R)
- M88: 63,877,692 km (0.098 R)
- M89: 64,629,422 km (0.117 R)
- M90: 66,575,690 km (0.073 R)
- M91: 67,010,870 km (0.039 R)
- M92: 67,665,361 km (0.071 R)
- M93: 67,774,567 km (0.116 R)
- M94: 73,200,931 km (0.099 R)
- M95: 73,762,521 km (0.081 R)
- M96: 74,551,052 km (0.112 R)
- M97: 75,455,670 km (0.087 R)
Planet 7 - Ice Giant
Semi-Major Axis: 15.65 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 818.1
Radius: 3.5
Gravity: 66.78 G
Time & Orbit
Eccentricity (e): 0.101
Orbit Range: 14.07 AU - 17.23 AU
Year: 22390 Days
Day: 22.8 Hours
Environment
Temp: -191 °C
Axial Tilt: 19 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (93)
Outer Limit: 87,038,857 km
- M1: 157,826 km (0.057 R)
- M2: 613,202 km (0.108 R)
- M3: 662,719 km (0.098 R)
- M4: 739,462 km (0.097 R)
- M5: 1,196,334 km (0.118 R)
- M6: 1,620,295 km (0.037 R)
- M7: 2,011,942 km (0.091 R)
- M8: 2,049,042 km (0.1 R)
- M9: 3,525,124 km (0.112 R)
- M10: 3,934,424 km (0.099 R)
- M11: 4,263,091 km (0.109 R)
- M12: 4,454,875 km (0.115 R)
- M13: 4,946,603 km (0.11 R)
- M14: 5,249,838 km (0.119 R)
- M15: 5,507,146 km (0.064 R)
- M16: 6,249,152 km (0.064 R)
- M17: 6,412,214 km (0.091 R)
- M18: 6,853,976 km (0.117 R)
- M19: 7,592,391 km (0.118 R)
- M20: 9,266,391 km (0.083 R)
- M21: 9,452,341 km (0.053 R)
- M22: 9,576,956 km (0.088 R)
- M23: 9,702,170 km (0.11 R)
- M24: 10,080,802 km (0.113 R)
- M25: 10,722,727 km (0.104 R)
- M26: 11,444,088 km (0.109 R)
- M27: 11,710,222 km (0.07 R)
- M28: 12,113,239 km (0.116 R)
- M29: 12,932,886 km (0.119 R)
- M30: 13,002,000 km (0.068 R)
- M31: 14,481,523 km (0.059 R)
- M32: 15,717,650 km (0.094 R)
- M33: 16,087,605 km (0.066 R)
- M34: 16,610,300 km (0.079 R)
- M35: 17,138,530 km (0.104 R)
- M36: 17,825,933 km (0.082 R)
- M37: 18,756,282 km (0.088 R)
- M38: 19,622,902 km (0.059 R)
- M39: 20,341,570 km (0.073 R)
- M40: 20,583,021 km (0.089 R)
- M41: 20,906,602 km (0.078 R)
- M42: 22,299,807 km (0.042 R)
- M43: 24,147,041 km (0.051 R)
- M44: 25,955,380 km (0.043 R)
- M45: 26,304,691 km (0.072 R)
- M46: 26,743,611 km (0.117 R)
- M47: 28,793,551 km (0.086 R)
- M48: 30,248,989 km (0.104 R)
- M49: 30,524,548 km (0.03 R)
- M50: 32,101,908 km (0.094 R)
- M51: 32,664,845 km (0.074 R)
- M52: 33,705,298 km (0.104 R)
- M53: 34,086,473 km (0.065 R)
- M54: 34,277,510 km (0.089 R)
- M55: 34,660,779 km (0.093 R)
- M56: 37,087,706 km (0.117 R)
- M57: 37,382,713 km (0.11 R)
- M58: 37,974,821 km (0.093 R)
- M59: 38,073,855 km (0.113 R)
- M60: 38,371,255 km (0.11 R)
- M61: 39,769,846 km (0.091 R)
- M62: 40,374,221 km (0.034 R)
- M63: 42,308,372 km (0.117 R)
- M64: 45,108,096 km (0.089 R)
- M65: 46,265,834 km (0.107 R)
- M66: 46,477,366 km (0.07 R)
- M67: 47,220,269 km (0.097 R)
- M68: 49,688,933 km (0.042 R)
- M69: 50,231,075 km (0.075 R)
- M70: 53,414,069 km (0.116 R)
- M71: 55,646,967 km (0.068 R)
- M72: 57,001,277 km (0.108 R)
- M73: 58,138,220 km (0.092 R)
- M74: 58,709,385 km (0.086 R)
- M75: 59,167,753 km (0.111 R)
- M76: 60,781,166 km (0.115 R)
- M77: 61,709,720 km (0.112 R)
- M78: 63,228,438 km (0.113 R)
- M79: 64,169,109 km (0.062 R)
- M80: 66,064,364 km (0.062 R)
- M81: 66,779,741 km (0.088 R)
- M82: 69,183,181 km (0.082 R)
- M83: 73,950,416 km (0.098 R)
- M84: 74,321,419 km (0.072 R)
- M85: 75,812,012 km (0.064 R)
- M86: 76,685,963 km (0.114 R)
- M87: 83,668,144 km (0.103 R)
- M88: 84,312,911 km (0.108 R)
- M89: 84,700,519 km (0.078 R)
- M90: 85,088,875 km (0.086 R)
- M91: 85,477,680 km (0.085 R)
- M92: 85,867,083 km (0.073 R)
- M93: 86,126,935 km (0.102 R)
Kuiper Belt
Range: 30.3 - 45.3 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 150 - 15,727 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.