Star System Generated (Seed: 1768389098)
Star Details
Spectral Class: M5V
Temperature: 3,050 K
Mass: 0.3 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: 11 AU
Planetary System (7 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 0.71 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 209.6
Radius: 14.8
Gravity: 0.96 G
Time & Orbit
Eccentricity (e): 0.055
Orbit Range: 0.67 AU - 0.75 AU
Year: 399 Days
Day: 7.3 Hours
Environment
Temp: -169 °C
Axial Tilt: 17.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (23)
Outer Limit: 43,737,094 km
- M1: 206,595 km (0.079 R)
- M2: 300,841 km (0.085 R)
- M3: 398,678 km (0.12 R)
- M4: 492,925 km (0.118 R)
- M5: 629,807 km (0.063 R)
- M6: 930,050 km (0.116 R)
- M7: 1,216,829 km (0.062 R)
- M8: 1,406,968 km (0.102 R)
- M9: 1,502,112 km (0.098 R)
- M10: 1,603,540 km (0.076 R)
- M11: 1,703,471 km (0.108 R)
- M12: 1,797,269 km (0.104 R)
- M13: 2,020,618 km (0.076 R)
- M14: 2,253,542 km (0.117 R)
- M15: 2,518,630 km (0.105 R)
- M16: 2,736,444 km (0.111 R)
- M17: 2,833,084 km (0.069 R)
- M18: 2,985,226 km (0.103 R)
- M19: 3,170,577 km (0.113 R)
- M20: 3,364,905 km (0.112 R)
- M21: 3,531,856 km (0.059 R)
- M22: 3,626,851 km (0.075 R)
- M23: 3,733,664 km (0.106 R)
Planet 2 - Gas Giant
Semi-Major Axis: 0.77 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 143.5
Radius: 10.7
Gravity: 1.25 G
Time & Orbit
Eccentricity (e): 0.138
Orbit Range: 0.66 AU - 0.88 AU
Year: 451 Days
Day: 11.7 Hours
Environment
Temp: -160 °C
Axial Tilt: 15.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (27)
Outer Limit: 43,737,094 km
- M1: 142,866 km (0.067 R)
- M2: 214,523 km (0.057 R)
- M3: 342,878 km (0.065 R)
- M4: 471,981 km (0.115 R)
- M5: 551,418 km (0.083 R)
- M6: 655,687 km (0.042 R)
- M7: 830,418 km (0.054 R)
- M8: 1,017,864 km (0.112 R)
- M9: 1,160,131 km (0.075 R)
- M10: 1,360,443 km (0.055 R)
- M11: 1,522,158 km (0.102 R)
- M12: 1,722,320 km (0.067 R)
- M13: 1,873,115 km (0.117 R)
- M14: 1,977,534 km (0.074 R)
- M15: 2,088,386 km (0.12 R)
- M16: 2,236,339 km (0.099 R)
- M17: 2,360,954 km (0.074 R)
- M18: 2,446,823 km (0.12 R)
- M19: 2,529,102 km (0.068 R)
- M20: 2,612,428 km (0.096 R)
- M21: 2,725,075 km (0.054 R)
- M22: 2,800,921 km (0.084 R)
- M23: 2,959,943 km (0.066 R)
- M24: 3,231,613 km (0.09 R)
- M25: 3,362,811 km (0.11 R)
- M26: 3,449,577 km (0.11 R)
- M27: 3,521,683 km (0.092 R)
Planet 3 - Gas Giant
Semi-Major Axis: 0.98 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 206.1
Radius: 13.6
Gravity: 1.11 G
Time & Orbit
Eccentricity (e): 0.181
Orbit Range: 0.8 AU - 1.16 AU
Year: 647 Days
Day: 7.8 Hours
Environment
Temp: -177 °C
Axial Tilt: 24.7 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (40)
Outer Limit: 43,737,094 km
- M1: 170,392 km (0.066 R)
- M2: 313,408 km (0.112 R)
- M3: 460,013 km (0.063 R)
- M4: 548,276 km (0.104 R)
- M5: 685,757 km (0.114 R)
- M6: 772,673 km (0.045 R)
- M7: 903,122 km (0.065 R)
- M8: 996,023 km (0.119 R)
- M9: 1,114,055 km (0.092 R)
- M10: 1,201,420 km (0.106 R)
- M11: 1,393,355 km (0.072 R)
- M12: 1,478,775 km (0.055 R)
- M13: 1,585,887 km (0.101 R)
- M14: 1,731,296 km (0.03 R)
- M15: 1,855,163 km (0.109 R)
- M16: 2,008,800 km (0.093 R)
- M17: 2,117,558 km (0.092 R)
- M18: 2,409,423 km (0.025 R)
- M19: 2,566,351 km (0.104 R)
- M20: 2,655,063 km (0.091 R)
- M21: 2,744,822 km (0.09 R)
- M22: 2,908,931 km (0.115 R)
- M23: 3,014,098 km (0.115 R)
- M24: 3,164,593 km (0.092 R)
- M25: 3,260,037 km (0.078 R)
- M26: 3,375,826 km (0.114 R)
- M27: 3,506,275 km (0.067 R)
- M28: 3,605,159 km (0.056 R)
- M29: 3,691,627 km (0.119 R)
- M30: 3,785,574 km (0.111 R)
- M31: 3,927,991 km (0.118 R)
- M32: 4,120,673 km (0.12 R)
- M33: 4,239,304 km (0.073 R)
- M34: 4,330,709 km (0.118 R)
- M35: 4,458,465 km (0.067 R)
- M36: 4,652,494 km (0.104 R)
- M37: 4,761,551 km (0.068 R)
- M38: 4,864,025 km (0.033 R)
- M39: 4,974,728 km (0.051 R)
- M40: 5,071,368 km (0.093 R)
Planet 4 - Gas Giant
Semi-Major Axis: 2.32 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 457.8
Radius: 9.3
Gravity: 5.29 G
Time & Orbit
Eccentricity (e): 0.132
Orbit Range: 2.01 AU - 2.63 AU
Year: 2356 Days
Day: 12.6 Hours
Environment
Temp: -214 °C
Axial Tilt: 47.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (68)
Outer Limit: 43,737,094 km
- M1: 127,009 km (0.118 R)
- M2: 189,989 km (0.069 R)
- M3: 272,268 km (0.114 R)
- M4: 366,664 km (0.061 R)
- M5: 461,360 km (0.11 R)
- M6: 530,025 km (0.112 R)
- M7: 610,060 km (0.089 R)
- M8: 726,597 km (0.051 R)
- M9: 825,631 km (0.081 R)
- M10: 1,198,877 km (0.064 R)
- M11: 1,257,819 km (0.115 R)
- M12: 1,440,627 km (0.095 R)
- M13: 1,567,486 km (0.042 R)
- M14: 1,731,296 km (0.085 R)
- M15: 1,993,541 km (0.093 R)
- M16: 2,064,151 km (0.119 R)
- M17: 2,159,595 km (0.037 R)
- M18: 2,467,318 km (0.054 R)
- M19: 2,530,598 km (0.093 R)
- M20: 2,607,341 km (0.116 R)
- M21: 2,842,060 km (0.115 R)
- M22: 2,988,965 km (0.067 R)
- M23: 3,262,430 km (0.103 R)
- M24: 3,430,578 km (0.09 R)
- M25: 3,848,405 km (0.1 R)
- M26: 3,936,967 km (0.115 R)
- M27: 4,116,036 km (0.115 R)
- M28: 4,405,208 km (0.058 R)
- M29: 4,497,959 km (0.069 R)
- M30: 4,591,308 km (0.089 R)
- M31: 4,653,840 km (0.105 R)
- M32: 4,971,137 km (0.048 R)
- M33: 5,067,777 km (0.098 R)
- M34: 5,181,173 km (0.094 R)
- M35: 5,295,465 km (0.116 R)
- M36: 5,845,686 km (0.064 R)
- M37: 6,033,282 km (0.069 R)
- M38: 6,240,026 km (0.119 R)
- M39: 7,000,283 km (0.074 R)
- M40: 7,308,903 km (0.087 R)
- M41: 7,492,609 km (0.096 R)
- M42: 7,640,562 km (0.083 R)
- M43: 7,789,711 km (0.036 R)
- M44: 7,977,306 km (0.106 R)
- M45: 8,052,704 km (0.086 R)
- M46: 8,414,431 km (0.046 R)
- M47: 8,587,666 km (0.105 R)
- M48: 8,684,456 km (0.099 R)
- M49: 9,451,593 km (0.118 R)
- M50: 9,611,514 km (0.036 R)
- M51: 9,833,068 km (0.094 R)
- M52: 10,117,454 km (0.117 R)
- M53: 10,611,426 km (0.092 R)
- M54: 10,673,658 km (0.117 R)
- M55: 10,882,198 km (0.108 R)
- M56: 10,945,029 km (0.104 R)
- M57: 12,226,634 km (0.118 R)
- M58: 12,313,850 km (0.083 R)
- M59: 12,401,065 km (0.101 R)
- M60: 13,690,599 km (0.095 R)
- M61: 13,758,367 km (0.045 R)
- M62: 13,871,762 km (0.053 R)
- M63: 14,076,561 km (0.111 R)
- M64: 14,558,416 km (0.104 R)
- M65: 15,045,507 km (0.064 R)
- M66: 15,467,373 km (0.112 R)
- M67: 15,679,802 km (0.118 R)
- M68: 15,774,497 km (0.064 R)
Planet 5 - Gas Giant
Semi-Major Axis: 3.76 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 330
Radius: 12
Gravity: 2.29 G
Time & Orbit
Eccentricity (e): 0.198
Orbit Range: 3.02 AU - 4.5 AU
Year: 4862 Days
Day: 10.5 Hours
Environment
Temp: -209 °C
Axial Tilt: 32.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (70)
Outer Limit: 43,737,094 km
- M1: 183,407 km (0.112 R)
- M2: 540,647 km (0.099 R)
- M3: 1,026,092 km (0.081 R)
- M4: 1,294,321 km (0.072 R)
- M5: 1,410,708 km (0.106 R)
- M6: 1,640,490 km (0.111 R)
- M7: 1,767,349 km (0.096 R)
- M8: 2,030,941 km (0.115 R)
- M9: 2,121,747 km (0.115 R)
- M10: 2,213,899 km (0.092 R)
- M11: 2,418,549 km (0.102 R)
- M12: 2,662,393 km (0.099 R)
- M13: 2,762,175 km (0.069 R)
- M14: 2,982,982 km (0.038 R)
- M15: 3,735,608 km (0.088 R)
- M16: 3,923,354 km (0.102 R)
- M17: 4,485,692 km (0.118 R)
- M18: 4,605,221 km (0.118 R)
- M19: 4,725,797 km (0.057 R)
- M20: 4,990,735 km (0.051 R)
- M21: 5,176,984 km (0.119 R)
- M22: 5,471,542 km (0.076 R)
- M23: 5,706,710 km (0.043 R)
- M24: 6,231,649 km (0.12 R)
- M25: 6,410,119 km (0.071 R)
- M26: 6,522,617 km (0.11 R)
- M27: 6,817,923 km (0.116 R)
- M28: 6,909,626 km (0.098 R)
- M29: 7,001,928 km (0.106 R)
- M30: 7,140,905 km (0.075 R)
- M31: 7,706,385 km (0.113 R)
- M32: 7,826,063 km (0.078 R)
- M33: 8,164,304 km (0.059 R)
- M34: 8,507,481 km (0.064 R)
- M35: 9,005,792 km (0.094 R)
- M36: 9,106,621 km (0.09 R)
- M37: 9,233,330 km (0.06 R)
- M38: 9,513,826 km (0.108 R)
- M39: 9,848,925 km (0.094 R)
- M40: 10,877,860 km (0.071 R)
- M41: 10,958,493 km (0.088 R)
- M42: 11,147,136 km (0.113 R)
- M43: 11,692,420 km (0.093 R)
- M44: 11,885,401 km (0.096 R)
- M45: 11,968,428 km (0.049 R)
- M46: 12,246,530 km (0.096 R)
- M47: 12,526,727 km (0.088 R)
- M48: 12,611,250 km (0.092 R)
- M49: 13,064,980 km (0.063 R)
- M50: 13,322,738 km (0.072 R)
- M51: 14,017,919 km (0.034 R)
- M52: 15,383,448 km (0.056 R)
- M53: 15,473,955 km (0.09 R)
- M54: 15,898,813 km (0.116 R)
- M55: 16,204,591 km (0.105 R)
- M56: 17,353,054 km (0.048 R)
- M57: 17,510,281 km (0.106 R)
- M58: 18,335,313 km (0.105 R)
- M59: 18,688,215 km (0.071 R)
- M60: 18,817,168 km (0.113 R)
- M61: 19,760,532 km (0.102 R)
- M62: 20,023,376 km (0.12 R)
- M63: 20,221,443 km (0.054 R)
- M64: 20,386,899 km (0.106 R)
- M65: 21,794,615 km (0.063 R)
- M66: 22,032,326 km (0.117 R)
- M67: 22,202,568 km (0.094 R)
- M68: 22,407,517 km (0.048 R)
- M69: 22,888,175 km (0.089 R)
- M70: 23,129,776 km (0.103 R)
Planet 6 - Ice Giant
Semi-Major Axis: 6.92 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 699.4
Radius: 7.1
Gravity: 13.87 G
Time & Orbit
Eccentricity (e): 0.029
Orbit Range: 6.72 AU - 7.12 AU
Year: 12139 Days
Day: 23.7 Hours
Environment
Temp: -236 °C
Axial Tilt: 15.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (96)
Outer Limit: 43,737,094 km
- M1: 220,657 km (0.06 R)
- M2: 402,269 km (0.078 R)
- M3: 478,564 km (0.108 R)
- M4: 834,607 km (0.052 R)
- M5: 1,103,883 km (0.048 R)
- M6: 1,192,145 km (0.09 R)
- M7: 1,237,174 km (0.119 R)
- M8: 1,643,482 km (0.112 R)
- M9: 1,980,825 km (0.096 R)
- M10: 2,034,531 km (0.085 R)
- M11: 2,367,835 km (0.083 R)
- M12: 2,511,748 km (0.092 R)
- M13: 2,570,091 km (0.1 R)
- M14: 2,991,658 km (0.109 R)
- M15: 3,053,592 km (0.026 R)
- M16: 3,147,390 km (0.103 R)
- M17: 3,337,977 km (0.054 R)
- M18: 3,467,080 km (0.088 R)
- M19: 3,932,030 km (0.112 R)
- M20: 4,034,206 km (0.1 R)
- M21: 4,171,836 km (0.108 R)
- M22: 4,992,979 km (0.081 R)
- M23: 5,365,477 km (0.082 R)
- M24: 5,746,802 km (0.069 R)
- M25: 7,025,266 km (0.087 R)
- M26: 8,082,773 km (0.116 R)
- M27: 8,563,730 km (0.109 R)
- M28: 8,785,434 km (0.059 R)
- M29: 9,053,962 km (0.081 R)
- M30: 9,144,020 km (0.119 R)
- M31: 9,921,929 km (0.09 R)
- M32: 10,295,325 km (0.103 R)
- M33: 10,673,359 km (0.083 R)
- M34: 11,104,052 km (0.06 R)
- M35: 11,200,542 km (0.117 R)
- M36: 11,345,802 km (0.12 R)
- M37: 11,491,660 km (0.103 R)
- M38: 11,540,429 km (0.071 R)
- M39: 11,589,197 km (0.034 R)
- M40: 11,736,252 km (0.101 R)
- M41: 12,230,374 km (0.115 R)
- M42: 12,480,053 km (0.094 R)
- M43: 12,580,433 km (0.062 R)
- M44: 13,546,985 km (0.048 R)
- M45: 13,909,012 km (0.111 R)
- M46: 14,907,877 km (0.095 R)
- M47: 15,228,166 km (0.074 R)
- M48: 15,766,868 km (0.116 R)
- M49: 16,038,537 km (0.102 R)
- M50: 17,252,524 km (0.101 R)
- M51: 17,308,324 km (0.106 R)
- M52: 17,476,322 km (0.054 R)
- M53: 17,532,571 km (0.1 R)
- M54: 17,983,609 km (0.097 R)
- M55: 18,267,546 km (0.105 R)
- M56: 19,592,534 km (0.12 R)
- M57: 19,826,056 km (0.093 R)
- M58: 20,769,570 km (0.109 R)
- M59: 21,007,730 km (0.066 R)
- M60: 21,426,753 km (0.046 R)
- M61: 22,151,406 km (0.072 R)
- M62: 22,822,801 km (0.111 R)
- M63: 23,315,127 km (0.046 R)
- M64: 24,185,338 km (0.101 R)
- M65: 26,085,530 km (0.062 R)
- M66: 26,535,820 km (0.113 R)
- M67: 26,729,549 km (0.057 R)
- M68: 26,858,951 km (0.089 R)
- M69: 27,313,579 km (0.092 R)
- M70: 27,509,253 km (0.117 R)
- M71: 28,033,295 km (0.103 R)
- M72: 30,094,454 km (0.112 R)
- M73: 30,702,121 km (0.046 R)
- M74: 31,929,272 km (0.063 R)
- M75: 32,410,827 km (0.069 R)
- M76: 34,431,296 km (0.115 R)
- M77: 35,208,308 km (0.105 R)
- M78: 36,348,842 km (0.109 R)
- M79: 38,446,802 km (0.106 R)
- M80: 39,105,781 km (0.072 R)
- M81: 39,694,748 km (0.062 R)
- M82: 40,138,455 km (0.115 R)
- M83: 42,230,282 km (0.115 R)
- M84: 42,985,901 km (0.111 R)
- M85: 44,127,782 km (0.088 R)
- M86: 46,130,598 km (0.074 R)
- M87: 46,208,239 km (0.114 R)
- M88: 46,363,671 km (0.099 R)
- M89: 48,005,508 km (0.065 R)
- M90: 48,399,250 km (0.116 R)
- M91: 49,825,516 km (0.085 R)
- M92: 50,304,079 km (0.086 R)
- M93: 50,864,174 km (0.076 R)
- M94: 52,638,105 km (0.095 R)
- M95: 52,800,419 km (0.08 R)
- M96: 54,104,613 km (0.05 R)
Planet 7 - Ice Giant
Semi-Major Axis: 9.42 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 140
Radius: 3.5
Gravity: 11.43 G
Time & Orbit
Eccentricity (e): 0.062
Orbit Range: 8.84 AU - 10 AU
Year: 19280 Days
Day: 15.6 Hours
Environment
Temp: -232 °C
Axial Tilt: 22.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (91)
Outer Limit: 43,737,094 km
- M1: 47,423 km (0.071 R)
- M2: 74,799 km (0.105 R)
- M3: 131,945 km (0.097 R)
- M4: 341,981 km (0.102 R)
- M5: 419,622 km (0.114 R)
- M6: 460,612 km (0.097 R)
- M7: 531,970 km (0.093 R)
- M8: 607,068 km (0.065 R)
- M9: 669,750 km (0.026 R)
- M10: 734,376 km (0.119 R)
- M11: 995,424 km (0.051 R)
- M12: 1,126,322 km (0.108 R)
- M13: 1,322,894 km (0.066 R)
- M14: 1,363,585 km (0.065 R)
- M15: 1,747,453 km (0.09 R)
- M16: 2,307,846 km (0.085 R)
- M17: 2,813,786 km (0.094 R)
- M18: 2,972,061 km (0.086 R)
- M19: 3,297,287 km (0.11 R)
- M20: 3,352,488 km (0.111 R)
- M21: 3,492,213 km (0.078 R)
- M22: 3,980,949 km (0.059 R)
- M23: 4,278,350 km (0.088 R)
- M24: 4,308,568 km (0.108 R)
- M25: 4,399,374 km (0.118 R)
- M26: 4,800,446 km (0.083 R)
- M27: 4,831,712 km (0.041 R)
- M28: 4,926,108 km (0.099 R)
- M29: 5,052,967 km (0.117 R)
- M30: 5,374,603 km (0.056 R)
- M31: 5,570,875 km (0.063 R)
- M32: 5,636,848 km (0.074 R)
- M33: 5,970,301 km (0.064 R)
- M34: 6,310,337 km (0.098 R)
- M35: 6,586,794 km (0.079 R)
- M36: 6,761,525 km (0.092 R)
- M37: 7,223,184 km (0.092 R)
- M38: 7,990,022 km (0.071 R)
- M39: 8,101,622 km (0.082 R)
- M40: 9,052,018 km (0.115 R)
- M41: 9,090,913 km (0.092 R)
- M42: 9,207,450 km (0.099 R)
- M43: 9,324,435 km (0.085 R)
- M44: 10,440,735 km (0.07 R)
- M45: 10,644,337 km (0.092 R)
- M46: 10,849,436 km (0.084 R)
- M47: 11,979,049 km (0.096 R)
- M48: 12,064,171 km (0.12 R)
- M49: 12,192,226 km (0.096 R)
- M50: 12,579,236 km (0.106 R)
- M51: 12,883,069 km (0.052 R)
- M52: 14,528,646 km (0.077 R)
- M53: 15,537,833 km (0.06 R)
- M54: 16,285,972 km (0.098 R)
- M55: 16,759,599 km (0.109 R)
- M56: 16,950,187 km (0.097 R)
- M57: 17,045,780 km (0.058 R)
- M58: 17,817,106 km (0.056 R)
- M59: 18,207,108 km (0.11 R)
- M60: 18,354,013 km (0.112 R)
- M61: 18,403,081 km (0.073 R)
- M62: 18,550,585 km (0.113 R)
- M63: 19,343,603 km (0.098 R)
- M64: 19,996,149 km (0.098 R)
- M65: 20,911,389 km (0.101 R)
- M66: 21,219,560 km (0.052 R)
- M67: 21,529,228 km (0.112 R)
- M68: 21,580,989 km (0.112 R)
- M69: 21,736,421 km (0.115 R)
- M70: 21,788,331 km (0.116 R)
- M71: 22,309,830 km (0.117 R)
- M72: 23,631,377 km (0.104 R)
- M73: 24,706,687 km (0.03 R)
- M74: 25,250,325 km (0.111 R)
- M75: 25,633,146 km (0.099 R)
- M76: 26,073,114 km (0.119 R)
- M77: 26,682,127 km (0.066 R)
- M78: 27,016,179 km (0.119 R)
- M79: 27,688,621 km (0.104 R)
- M80: 27,801,268 km (0.036 R)
- M81: 31,719,386 km (0.112 R)
- M82: 32,666,041 km (0.091 R)
- M83: 32,784,972 km (0.077 R)
- M84: 34,647,615 km (0.11 R)
- M85: 35,133,958 km (0.114 R)
- M86: 35,867,436 km (0.096 R)
- M87: 37,598,732 km (0.073 R)
- M88: 38,223,602 km (0.059 R)
- M89: 38,788,933 km (0.107 R)
- M90: 41,334,640 km (0.085 R)
- M91: 42,108,809 km (0.075 R)
Kuiper Belt
Range: 30 - 46 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 310 - 17,265 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.