How bright is Asteroid (NEO) 2011 LJ19?
The current visual magnitude of Asteroid (NEO) 2011 LJ19 is 26.35. Given its brightness, Asteroid (NEO) 2011 LJ19 should be visible only through long exposure photography.
The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2011 LJ19, according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.