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We present a study on the discoverability of temporarily captured orbiters(TCOs) by present day or near-term anticipated ground-based and space-basedfacilities. TCOs (Granvik et al. 2012) are potential targets for spacecraftren- dezvous or human exploration (Chyba et al. 2014) and provide anopportunity to study the population of the smallest asteroids in the solarsystem. We find that present day ground-based optical surveys such asPan-STARRS and ATLAS can discover the largest TCOs over years of operation. Atargeted survey conducted with the Subaru telescope can discover TCOs in the0.5 m to 1.0 m diameter size range in about 5 nights of observing. Furthermore,we discuss the application of space-based infrared surveys, such as NEOWISE,and ground-based meteor detection systems such as CAMS, CAMO and ASGARD indiscovering TCOs. These systems can detect TCOs but at a uninteresting rate.Finally, we discuss the application of bi-static radar at Arecibo and GreenBank to discover TCOs. Our radar simulations are strongly dependent on therotation rate distribution of the smallest asteroids but with an optimisticdistribution we find that these systems have > 80% chance of detecting a > 10cm diameter TCO in about 40 h of operation.

Detecting Earth's Temporarily-Captured Natural Satellites - Minimoons