The Asteroid

The asteroid "2019 OK" was first identified as a possible hazard only one day before it's close approach to Earth. Because it came roughly from the direction of a full moon, the glare made it difficult to spot.

The simulation below shows what might have been seen, if we'd had a telescope in space at the right location. The asteroid came out of the constellation Microscopium, and a few of the constellation's stars are labeled.

The star label convention is:

So "ZetMic" means Zeta Microscopium.

The Video

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