A Strategy for Finding Near Earth Objects with the SDSS Telescope

Details A Strategy for Finding Near Earth Objects with the SDSS Telescope A Strategy for Finding Near Earth Objects with the SDSS Telescope

2004-01-21

arxiv.org/abs/astro-ph/0401438v1

Astron.J.127:2978-2987,2004

Astronomy and Astrophysics

Astrophysics

Accepted by AJ -- 12 pages, 11 figures

Scientific paper

10.1086/383210

We present a detailed observational strategy for finding Near Earth Objects (NEOs) with the Sloan Digital Sky Survey (SDSS) telescope. We investigate strategies in normal, unbinned mode as well as binning the CCDs 2x2 or 3x3, which affects the sky coverage rate and the limiting apparent magnitude. We present results from 1 month, 3 year and 10 year simulations of such surveys. For each cadence and binning mode, we evaluate the possibility of achieving the Spaceguard goal of detecting 90% of 1 km NEOs (absolute magnitude H <= 18 for an albedo of 0.1). We find that an unbinned survey is most effective at detecting H <= 20 NEOs in our sample. However, a 3x3 binned survey reaches the Spaceguard Goal after only seven years of operation. As the proposed large survey telescopes (PanStarss; LSST) are at least 5-10 years from operation, an SDSS NEO survey could make a significant contribution to the detection and photometric characterization of the NEO population.

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