G0V Star System Generated (Seed: 1766726077)
Star Details
Spectral Class: G3V
Temperature: 5,760 K
Mass: 1.04 sol
Luminosity: 1.15 lux
Habitable Zone (HZ)
Inner Boundary: 1.02 AU
Outer Boundary: 1.47 AU
Physical Limits
Snow Line: 5.15 AU
Max System Radius: 20.4 AU
Planetary System (7 Planets)
Planet 1 - Terrestrial
Semi-Major Axis: 0.63 AU
Status: Inner (Hot)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 1.67
Radius: 1.23
Gravity: 1.1 G
Time & Orbit
Eccentricity (e): 0.156
Orbit Range: 0.53 AU - 0.73 AU
Year: 179 Days
Day: 25.5 Hours
Environment
Temp: 194 °C
Axial Tilt: 34.6 °
Atmosphere: Dense COâ‚‚
Biome: Volcanic/Barren
Planet 2 - Terrestrial
Semi-Major Axis: 1.84 AU
Status: Outer (Cold)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 2.88
Radius: 1.53
Gravity: 1.23 G
Time & Orbit
Eccentricity (e): 0
Orbit Range: 1.84 AU - 1.84 AU
Year: 894 Days
Day: 24.6 Hours
Environment
Temp: -55 °C
Axial Tilt: 12.9 °
Atmosphere: Thin Nâ‚‚/CHâ‚„
Biome: Ice Cap/Desert
Satellites (1)
Outer Limit: 68,144,718 km
- M1: 189,541 km (0.104 R)
Planet 3 - Gas Giant
Semi-Major Axis: 7.01 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 699.1
Radius: 14.2
Gravity: 3.47 G
Time & Orbit
Eccentricity (e): 0.007
Orbit Range: 6.96 AU - 7.06 AU
Year: 6647 Days
Day: 6.8 Hours
Environment
Temp: -150 °C
Axial Tilt: 39.9 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (80)
Outer Limit: 68,144,718 km
- M1: 213,177 km (0.099 R)
- M2: 321,187 km (0.105 R)
- M3: 714,180 km (0.05 R)
- M4: 1,403,527 km (0.051 R)
- M5: 1,566,140 km (0.105 R)
- M6: 1,871,469 km (0.114 R)
- M7: 1,991,148 km (0.086 R)
- M8: 2,280,620 km (0.038 R)
- M9: 2,408,975 km (0.115 R)
- M10: 2,718,044 km (0.079 R)
- M11: 3,111,037 km (0.103 R)
- M12: 3,473,064 km (0.089 R)
- M13: 3,797,991 km (0.095 R)
- M14: 4,106,910 km (0.099 R)
- M15: 4,370,502 km (0.117 R)
- M16: 4,831,862 km (0.066 R)
- M17: 5,054,314 km (0.058 R)
- M18: 5,280,356 km (0.083 R)
- M19: 6,277,875 km (0.08 R)
- M20: 6,923,090 km (0.06 R)
- M21: 7,654,025 km (0.064 R)
- M22: 7,816,190 km (0.108 R)
- M23: 8,276,502 km (0.07 R)
- M24: 9,292,571 km (0.112 R)
- M25: 9,535,368 km (0.066 R)
- M26: 9,639,937 km (0.06 R)
- M27: 9,956,486 km (0.109 R)
- M28: 10,383,588 km (0.082 R)
- M29: 10,563,405 km (0.057 R)
- M30: 10,708,066 km (0.085 R)
- M31: 10,962,682 km (0.093 R)
- M32: 11,440,946 km (0.083 R)
- M33: 11,626,747 km (0.053 R)
- M34: 11,776,045 km (0.111 R)
- M35: 12,723,897 km (0.119 R)
- M36: 12,955,176 km (0.085 R)
- M37: 13,110,009 km (0.045 R)
- M38: 13,617,745 km (0.105 R)
- M39: 13,854,259 km (0.104 R)
- M40: 14,371,269 km (0.104 R)
- M41: 14,491,546 km (0.07 R)
- M42: 15,179,247 km (0.057 R)
- M43: 15,836,281 km (0.04 R)
- M44: 16,126,650 km (0.063 R)
- M45: 16,502,590 km (0.107 R)
- M46: 17,220,510 km (0.092 R)
- M47: 18,338,455 km (0.087 R)
- M48: 18,599,802 km (0.114 R)
- M49: 19,037,975 km (0.079 R)
- M50: 19,880,211 km (0.059 R)
- M51: 20,193,469 km (0.042 R)
- M52: 20,373,285 km (0.068 R)
- M53: 21,189,042 km (0.108 R)
- M54: 21,646,812 km (0.051 R)
- M55: 22,293,224 km (0.06 R)
- M56: 22,712,098 km (0.034 R)
- M57: 22,899,096 km (0.089 R)
- M58: 23,463,229 km (0.073 R)
- M59: 23,699,594 km (0.099 R)
- M60: 23,889,284 km (0.041 R)
- M61: 24,557,238 km (0.028 R)
- M62: 25,134,686 km (0.067 R)
- M63: 25,279,796 km (0.035 R)
- M64: 25,765,241 km (0.102 R)
- M65: 26,794,923 km (0.114 R)
- M66: 27,688,322 km (0.056 R)
- M67: 27,788,104 km (0.107 R)
- M68: 28,742,837 km (0.115 R)
- M69: 30,015,317 km (0.101 R)
- M70: 30,426,412 km (0.11 R)
- M71: 30,684,318 km (0.088 R)
- M72: 31,462,227 km (0.093 R)
- M73: 31,566,497 km (0.102 R)
- M74: 31,670,916 km (0.116 R)
- M75: 33,355,987 km (0.087 R)
- M76: 33,995,368 km (0.065 R)
- M77: 34,423,966 km (0.03 R)
- M78: 35,394,707 km (0.095 R)
- M79: 35,665,928 km (0.117 R)
- M80: 35,883,443 km (0.084 R)
Planet 4 - Gas Giant
Semi-Major Axis: 10.39 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 233.2
Radius: 15
Gravity: 1.04 G
Time & Orbit
Eccentricity (e): 0.233
Orbit Range: 7.97 AU - 12.81 AU
Year: 11995 Days
Day: 5.2 Hours
Environment
Temp: -182 °C
Axial Tilt: 27.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (66)
Outer Limit: 68,144,718 km
- M1: 224,098 km (0.113 R)
- M2: 381,923 km (0.1 R)
- M3: 594,352 km (0.066 R)
- M4: 823,985 km (0.075 R)
- M5: 1,005,597 km (0.082 R)
- M6: 1,235,678 km (0.099 R)
- M7: 1,576,911 km (0.08 R)
- M8: 1,749,397 km (0.119 R)
- M9: 1,868,178 km (0.058 R)
- M10: 1,969,157 km (0.112 R)
- M11: 2,093,024 km (0.097 R)
- M12: 2,821,865 km (0.091 R)
- M13: 3,010,059 km (0.101 R)
- M14: 3,423,996 km (0.102 R)
- M15: 3,574,641 km (0.066 R)
- M16: 4,039,741 km (0.118 R)
- M17: 4,199,212 km (0.118 R)
- M18: 4,442,309 km (0.104 R)
- M19: 5,315,512 km (0.068 R)
- M20: 7,088,396 km (0.065 R)
- M21: 8,105,512 km (0.087 R)
- M22: 8,206,341 km (0.072 R)
- M23: 8,375,386 km (0.103 R)
- M24: 8,854,997 km (0.103 R)
- M25: 9,343,584 km (0.089 R)
- M26: 9,841,146 km (0.086 R)
- M27: 10,165,475 km (0.101 R)
- M28: 10,456,891 km (0.089 R)
- M29: 10,603,647 km (0.112 R)
- M30: 10,714,050 km (0.07 R)
- M31: 10,862,002 km (0.11 R)
- M32: 11,159,852 km (0.115 R)
- M33: 11,309,898 km (0.085 R)
- M34: 11,611,936 km (0.1 R)
- M35: 12,378,476 km (0.116 R)
- M36: 14,001,164 km (0.114 R)
- M37: 14,203,570 km (0.1 R)
- M38: 16,026,869 km (0.089 R)
- M39: 16,366,306 km (0.037 R)
- M40: 16,494,212 km (0.099 R)
- M41: 17,704,010 km (0.078 R)
- M42: 18,319,755 km (0.077 R)
- M43: 19,844,008 km (0.088 R)
- M44: 21,222,702 km (0.099 R)
- M45: 21,595,500 km (0.061 R)
- M46: 22,489,796 km (0.109 R)
- M47: 22,822,352 km (0.104 R)
- M48: 24,509,367 km (0.064 R)
- M49: 25,639,729 km (0.112 R)
- M50: 25,838,095 km (0.099 R)
- M51: 26,186,359 km (0.084 R)
- M52: 26,486,303 km (0.067 R)
- M53: 27,139,747 km (0.119 R)
- M54: 28,977,108 km (0.119 R)
- M55: 29,287,224 km (0.046 R)
- M56: 30,538,760 km (0.084 R)
- M57: 31,012,536 km (0.081 R)
- M58: 31,488,856 km (0.071 R)
- M59: 32,609,643 km (0.119 R)
- M60: 33,526,379 km (0.12 R)
- M61: 34,233,229 km (0.066 R)
- M62: 34,397,038 km (0.111 R)
- M63: 35,330,230 km (0.107 R)
- M64: 35,772,292 km (0.079 R)
- M65: 37,390,193 km (0.079 R)
- M66: 37,727,835 km (0.066 R)
Planet 5 - Gas Giant
Semi-Major Axis: 10.46 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 669.3
Radius: 9.7
Gravity: 7.11 G
Time & Orbit
Eccentricity (e): 0.154
Orbit Range: 8.85 AU - 12.07 AU
Year: 12116 Days
Day: 7.1 Hours
Environment
Temp: -184 °C
Axial Tilt: 0.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (92)
Outer Limit: 68,144,718 km
- M1: 250,876 km (0.099 R)
- M2: 333,902 km (0.041 R)
- M3: 429,346 km (0.06 R)
- M4: 816,356 km (0.068 R)
- M5: 1,140,983 km (0.12 R)
- M6: 1,675,047 km (0.114 R)
- M7: 1,826,291 km (0.061 R)
- M8: 2,224,072 km (0.112 R)
- M9: 2,390,873 km (0.067 R)
- M10: 4,069,212 km (0.113 R)
- M11: 4,765,141 km (0.067 R)
- M12: 4,872,702 km (0.065 R)
- M13: 5,385,523 km (0.069 R)
- M14: 5,535,271 km (0.083 R)
- M15: 5,686,365 km (0.106 R)
- M16: 5,954,145 km (0.059 R)
- M17: 6,070,083 km (0.062 R)
- M18: 6,265,159 km (0.086 R)
- M19: 6,541,765 km (0.12 R)
- M20: 6,621,501 km (0.1 R)
- M21: 7,147,936 km (0.092 R)
- M22: 7,603,910 km (0.114 R)
- M23: 7,729,872 km (0.11 R)
- M24: 7,814,245 km (0.118 R)
- M25: 8,370,300 km (0.103 R)
- M26: 8,631,199 km (0.059 R)
- M27: 10,766,708 km (0.111 R)
- M28: 11,577,379 km (0.079 R)
- M29: 12,705,497 km (0.107 R)
- M30: 13,612,509 km (0.081 R)
- M31: 14,073,868 km (0.094 R)
- M32: 14,280,613 km (0.112 R)
- M33: 15,382,401 km (0.073 R)
- M34: 15,648,685 km (0.101 R)
- M35: 16,078,031 km (0.119 R)
- M36: 17,058,196 km (0.112 R)
- M37: 17,223,352 km (0.072 R)
- M38: 17,889,661 km (0.081 R)
- M39: 18,113,759 km (0.105 R)
- M40: 18,225,957 km (0.091 R)
- M41: 19,707,425 km (0.068 R)
- M42: 20,345,759 km (0.11 R)
- M43: 20,521,088 km (0.069 R)
- M44: 21,702,462 km (0.087 R)
- M45: 22,542,454 km (0.043 R)
- M46: 22,784,354 km (0.112 R)
- M47: 24,007,017 km (0.107 R)
- M48: 24,192,369 km (0.047 R)
- M49: 24,875,583 km (0.093 R)
- M50: 25,188,392 km (0.066 R)
- M51: 25,565,229 km (0.101 R)
- M52: 26,579,652 km (0.104 R)
- M53: 26,963,371 km (0.108 R)
- M54: 27,091,726 km (0.061 R)
- M55: 27,801,119 km (0.096 R)
- M56: 28,386,196 km (0.057 R)
- M57: 28,712,918 km (0.074 R)
- M58: 28,909,639 km (0.084 R)
- M59: 29,172,482 km (0.117 R)
- M60: 29,766,984 km (0.091 R)
- M61: 30,632,707 km (0.083 R)
- M62: 31,439,189 km (0.113 R)
- M63: 32,457,053 km (0.087 R)
- M64: 32,935,766 km (0.076 R)
- M65: 33,141,613 km (0.069 R)
- M66: 33,554,653 km (0.097 R)
- M67: 33,969,488 km (0.118 R)
- M68: 35,013,681 km (0.053 R)
- M69: 37,133,782 km (0.07 R)
- M70: 38,497,965 km (0.032 R)
- M71: 38,642,476 km (0.099 R)
- M72: 38,787,287 km (0.09 R)
- M73: 40,024,761 km (0.06 R)
- M74: 42,463,655 km (0.069 R)
- M75: 42,762,551 km (0.056 R)
- M76: 43,889,622 km (0.115 R)
- M77: 44,267,506 km (0.053 R)
- M78: 44,722,283 km (0.109 R)
- M79: 44,798,279 km (0.048 R)
- M80: 45,331,147 km (0.072 R)
- M81: 46,326,571 km (0.105 R)
- M82: 46,788,380 km (0.098 R)
- M83: 46,942,615 km (0.116 R)
- M84: 48,104,990 km (0.12 R)
- M85: 48,260,722 km (0.091 R)
- M86: 49,827,012 km (0.102 R)
- M87: 50,221,202 km (0.075 R)
- M88: 50,933,288 km (0.035 R)
- M89: 51,330,470 km (0.068 R)
- M90: 51,888,021 km (0.045 R)
- M91: 52,367,632 km (0.087 R)
- M92: 53,815,141 km (0.076 R)
Planet 6 - Gas Giant
Semi-Major Axis: 10.98 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 204.2
Radius: 9.1
Gravity: 2.47 G
Time & Orbit
Eccentricity (e): 0.148
Orbit Range: 9.35 AU - 12.61 AU
Year: 13031 Days
Day: 13 Hours
Environment
Temp: -173 °C
Axial Tilt: 0.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (84)
Outer Limit: 68,144,718 km
- M1: 362,625 km (0.112 R)
- M2: 488,886 km (0.075 R)
- M3: 564,732 km (0.089 R)
- M4: 758,910 km (0.057 R)
- M5: 864,376 km (0.119 R)
- M6: 1,124,378 km (0.066 R)
- M7: 1,246,001 km (0.091 R)
- M8: 1,317,658 km (0.102 R)
- M9: 1,390,662 km (0.071 R)
- M10: 1,637,498 km (0.047 R)
- M11: 2,303,807 km (0.072 R)
- M12: 2,370,229 km (0.113 R)
- M13: 2,782,820 km (0.083 R)
- M14: 3,342,615 km (0.077 R)
- M15: 3,831,052 km (0.085 R)
- M16: 3,936,668 km (0.091 R)
- M17: 4,287,026 km (0.104 R)
- M18: 4,535,508 km (0.114 R)
- M19: 4,703,806 km (0.091 R)
- M20: 5,665,870 km (0.111 R)
- M21: 6,782,767 km (0.105 R)
- M22: 6,846,795 km (0.098 R)
- M23: 7,169,927 km (0.109 R)
- M24: 7,764,279 km (0.11 R)
- M25: 7,831,299 km (0.036 R)
- M26: 8,101,323 km (0.078 R)
- M27: 8,271,715 km (0.099 R)
- M28: 8,374,489 km (0.067 R)
- M29: 8,477,562 km (0.062 R)
- M30: 8,581,233 km (0.11 R)
- M31: 8,859,635 km (0.111 R)
- M32: 8,929,646 km (0.096 R)
- M33: 9,035,113 km (0.047 R)
- M34: 9,247,243 km (0.065 R)
- M35: 10,332,575 km (0.066 R)
- M36: 10,480,228 km (0.105 R)
- M37: 10,852,727 km (0.064 R)
- M38: 11,116,019 km (0.111 R)
- M39: 11,381,556 km (0.041 R)
- M40: 12,073,595 km (0.075 R)
- M41: 12,542,585 km (0.078 R)
- M42: 12,660,767 km (0.095 R)
- M43: 13,417,882 km (0.06 R)
- M44: 14,148,667 km (0.118 R)
- M45: 15,059,419 km (0.105 R)
- M46: 15,226,969 km (0.079 R)
- M47: 15,691,171 km (0.11 R)
- M48: 16,460,703 km (0.086 R)
- M49: 16,893,639 km (0.045 R)
- M50: 17,505,793 km (0.102 R)
- M51: 18,617,305 km (0.087 R)
- M52: 19,751,407 km (0.097 R)
- M53: 20,211,271 km (0.082 R)
- M54: 20,721,250 km (0.082 R)
- M55: 20,954,473 km (0.083 R)
- M56: 21,801,197 km (0.09 R)
- M57: 21,943,464 km (0.097 R)
- M58: 22,803,203 km (0.09 R)
- M59: 22,995,736 km (0.104 R)
- M60: 23,140,547 km (0.095 R)
- M61: 23,285,657 km (0.093 R)
- M62: 23,820,170 km (0.075 R)
- M63: 23,966,626 km (0.06 R)
- M64: 24,506,375 km (0.113 R)
- M65: 24,901,314 km (0.113 R)
- M66: 25,099,680 km (0.109 R)
- M67: 25,797,854 km (0.061 R)
- M68: 27,366,537 km (0.098 R)
- M69: 27,520,024 km (0.098 R)
- M70: 28,861,768 km (0.06 R)
- M71: 29,278,846 km (0.082 R)
- M72: 29,488,283 km (0.059 R)
- M73: 29,698,020 km (0.111 R)
- M74: 29,855,696 km (0.108 R)
- M75: 30,119,138 km (0.092 R)
- M76: 32,308,353 km (0.114 R)
- M77: 33,176,469 km (0.12 R)
- M78: 33,613,445 km (0.066 R)
- M79: 33,777,853 km (0.102 R)
- M80: 35,157,744 km (0.083 R)
- M81: 35,324,695 km (0.051 R)
- M82: 36,838,027 km (0.092 R)
- M83: 37,120,468 km (0.111 R)
- M84: 37,403,806 km (0.109 R)
Planet 7 - Ice Giant
Semi-Major Axis: 16.39 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 348.5
Radius: 5.6
Gravity: 11.11 G
Time & Orbit
Eccentricity (e): 0.143
Orbit Range: 14.05 AU - 18.73 AU
Year: 23765 Days
Day: 19.9 Hours
Environment
Temp: -198 °C
Axial Tilt: 7.7 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (91)
Outer Limit: 68,144,718 km
- M1: 207,343 km (0.072 R)
- M2: 388,655 km (0.076 R)
- M3: 1,120,638 km (0.105 R)
- M4: 1,330,374 km (0.111 R)
- M5: 1,581,249 km (0.119 R)
- M6: 1,726,958 km (0.045 R)
- M7: 1,816,567 km (0.085 R)
- M8: 1,969,306 km (0.061 R)
- M9: 2,094,520 km (0.045 R)
- M10: 2,418,998 km (0.09 R)
- M11: 2,553,187 km (0.116 R)
- M12: 2,655,512 km (0.093 R)
- M13: 2,970,565 km (0.112 R)
- M14: 3,260,486 km (0.049 R)
- M15: 3,828,359 km (0.088 R)
- M16: 4,103,769 km (0.045 R)
- M17: 4,183,654 km (0.1 R)
- M18: 4,385,611 km (0.093 R)
- M19: 4,467,292 km (0.062 R)
- M20: 4,508,431 km (0.066 R)
- M21: 4,590,859 km (0.054 R)
- M22: 5,398,838 km (0.099 R)
- M23: 6,204,123 km (0.09 R)
- M24: 6,342,052 km (0.095 R)
- M25: 6,434,504 km (0.075 R)
- M26: 6,998,637 km (0.079 R)
- M27: 7,238,443 km (0.114 R)
- M28: 7,578,628 km (0.117 R)
- M29: 7,924,050 km (0.107 R)
- M30: 10,591,080 km (0.109 R)
- M31: 12,799,145 km (0.115 R)
- M32: 13,565,685 km (0.05 R)
- M33: 13,684,914 km (0.047 R)
- M34: 13,804,592 km (0.075 R)
- M35: 14,347,034 km (0.113 R)
- M36: 14,590,430 km (0.065 R)
- M37: 15,143,044 km (0.109 R)
- M38: 16,331,899 km (0.07 R)
- M39: 16,522,337 km (0.082 R)
- M40: 17,291,419 km (0.111 R)
- M41: 17,550,373 km (0.058 R)
- M42: 18,599,054 km (0.061 R)
- M43: 18,798,020 km (0.103 R)
- M44: 19,667,931 km (0.1 R)
- M45: 20,687,890 km (0.109 R)
- M46: 20,756,555 km (0.11 R)
- M47: 21,308,122 km (0.039 R)
- M48: 24,282,427 km (0.102 R)
- M49: 27,083,049 km (0.073 R)
- M50: 28,521,133 km (0.105 R)
- M51: 29,211,079 km (0.102 R)
- M52: 30,373,005 km (0.063 R)
- M53: 30,763,755 km (0.101 R)
- M54: 30,998,923 km (0.111 R)
- M55: 32,901,957 km (0.066 R)
- M56: 33,544,630 km (0.115 R)
- M57: 34,435,036 km (0.083 R)
- M58: 34,842,391 km (0.077 R)
- M59: 36,156,609 km (0.067 R)
- M60: 36,986,129 km (0.071 R)
- M61: 38,495,122 km (0.048 R)
- M62: 41,746,183 km (0.067 R)
- M63: 43,668,067 km (0.102 R)
- M64: 44,728,567 km (0.119 R)
- M65: 45,351,193 km (0.048 R)
- M66: 46,604,823 km (0.07 R)
- M67: 46,784,789 km (0.073 R)
- M68: 48,506,511 km (0.064 R)
- M69: 49,420,853 km (0.098 R)
- M70: 49,696,413 km (0.076 R)
- M71: 49,972,271 km (0.113 R)
- M72: 50,156,576 km (0.114 R)
- M73: 51,638,791 km (0.11 R)
- M74: 53,511,607 km (0.108 R)
- M75: 55,216,125 km (0.044 R)
- M76: 56,075,116 km (0.081 R)
- M77: 56,938,446 km (0.052 R)
- M78: 57,419,852 km (0.113 R)
- M79: 57,902,753 km (0.076 R)
- M80: 60,533,582 km (0.104 R)
- M81: 60,730,004 km (0.085 R)
- M82: 62,209,826 km (0.067 R)
- M83: 62,308,860 km (0.074 R)
- M84: 62,507,226 km (0.035 R)
- M85: 64,001,260 km (0.108 R)
- M86: 64,602,195 km (0.098 R)
- M87: 65,406,433 km (0.04 R)
- M88: 65,507,112 km (0.101 R)
- M89: 67,024,633 km (0.034 R)
- M90: 67,838,595 km (0.068 R)
- M91: 67,940,621 km (0.106 R)
Kuiper Belt
Range: 30.6 - 60.6 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 161 - 17,719 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.