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10/29/2020 – Ephemeris – A look at Bennu the asteroid

29 Oct 2020, 04:01 UTC
10/29/2020 – Ephemeris – A look at Bennu the asteroid
(200 words excerpt, click title or image to see full post)

This is Ephemeris for Thursday, October 29th. Today the Sun will be up for 10 hours and 17 minutes, setting at 6:34, and it will rise tomorrow at 8:18. The Moon, 2 days before full, will set at 7:06 tomorrow morning.
Tonight we will have Mars appearing above the bright gibbous Moon in the evening sky. Out in space NASA’s OSIRIS-REx spacecraft is still in the vicinity of the tiny asteroid Bennu. The asteroid is about 60 percent the distance between the Earth’s and Mars’ orbits, but on the far side of the Sun from us. This is why it will take 3 years to return the sample to the Earth. Bennu is small, only 743 feet (226.5 meters) in diameter. And is a rubble pile asteroid with lots of empty voids between the rocks. The sampler instead of stopping at the surface, punched into the asteroid surface a bit. Bennu was picked because is a potential hazardous asteroid and is a particularly primitive type of asteroid.
The event times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Inner Solar when OSIRIS REx took its sample from Bennu. Bennu’s official designation ...

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