S20B0081abst
S20B0081
High-phase, light-curve and high-resolution observations of Kuiper Belt objects (KBOs) measure the outcome of planetesimal formation in the outer solar system. Through establishment of a research collaboration between Subaru and the New Horizons project we have been allocated time on Subaru-HSC to acquire deep imaging of two KBO search fields over 15 half-nights in S20A. These searches will discover KBOs that will be observable from the New Horizons spacecraft and bring Japanese researchers into the New Horizons collaboration. NH measurements of the high-phase photometry (when combined with Subaru-HSC provided low-phase data) will provide light-curves that probe the shapes of these KBOs, a determination of their surface texture, and high-resolution imaging to search for close in satellites and debris rings. The S20A allocation allows the discovery and initial ephemeris tracking needed to determine which of the discovered KBOs are observable from New Horizons. We require additional observations in S20B to improve our knowledge of the orbits of these KBOs such that they can be observed from New Horizons. This proposal requests 4 half nights for these follow-up observation.
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