How bright is Asteroid (NEO) 2017 TB?
The current visual magnitude of Asteroid (NEO) 2017 TB is 32.16. Given its brightness, Asteroid (NEO) 2017 TB 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) 2017 TB, 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.