When should I make observations?

Because not all asteroids are visible at the same time or in the same part of the sky, the observers determine their own observing schedules. Many sky calendar software programs download the latest asteroid ephemerides (astronomical positions) from the IAU Minor Planet Center (MPC) that allow the observer to plan the evening’s observing session. The MPC, Lowell Observatory, and Sergio Foglia have helpful aids for planning observing sessions:

• Minor Planet Center
• Small Bodies What’s Observable?
• Easy on-line tool specifically for planning Target Asteroids! observing.