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How bright is Asteroid 7 Iris?

The current visual magnitude of Asteroid 7 Iris is 10.99. Given its brightness, Asteroid 7 Iris should be visible with the help of a binocular with a 70-80mm aperture or a small telescope.

10.99

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 7 Iris, 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.

Predicted magnitude of Asteroid 7 Iris between January 2013 and December 2100

See Also