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NEOWISE NEO discoveries This top-down view of the solar system shows the positions on 15 December 2018 of all main belt asteroids (grey circles), near-Earth asteroids (green circles) and comets (yellow squares) detected by NEOWISE during its first 5 years of operations since reactivation.White circles show objects detected during the final week of year 5. The blue circles and points indicate the orbits and locations of Mercury, Venus and Mars. The Earth and its orbit are shown in cyan. NASA / JPL-Caltech