2026-08-09 05:00:00 UTC (Delta: 2026-08-08) ☄️161P/HARTLEY-IRAS - Barycentric speed: 28.37 km/s (+0.08 km/s) - Perihelion in: 110 days - Closest approach to Earth in: 53 days - Brightness (Mag): 16.53 (-0.07) - Visibility: Both hemispheres | Large telescope | Dark sky 🌎 Relative to Earth - Distance (km): 235,084,045.97 km (-3,733,462.71 km) - Distance (AU): 1.57 (-0.02) - Light travel time: 13 min 4.18 s (-12.45 s) #161P #HartleyIRAS #Comet #Space