2023-04-18, 05:06 PM
CNEOS predicts that this newly discovered NEO will make a close approach on 2023-Apr-20 05:07±00:03 UT at a distance of 0.00228 AU, V Relative=15.93 km/sec, H=27.1, estimated size 10 m - 23 m, 'Rarity'=1. Condition Code=8 with a 2 day observation arc. The Earth MOID=0.00225718 AU. This object was first observed at Mt. Lemmon Survey on 2023-04-16. This is a near optimum pass!
Using MPC's elements for 2023 Apr 18 0000 UT, ST4v predicts that close approach will occur on (to the nearest hour) 2023 Apr 20 0100 EDT when 2023 HK is predicted to be 17.5 magnitude moving through Cygnus at 578"/min. Maximum brightness of 16.7 magnitude occurs 2023 Apr 19 2200 EDT with 2023 HK 386.2k km distant moving through Draco at 461"/min.
This one is really moving and parallax will affect the apparent position against the stars, so anyone attempting to observe this close approach will need to download the orbital elements and create their own finder charts. Here's the Object Info dialog for 2023 HK:
Good hunting,
Phil S.
Using MPC's elements for 2023 Apr 18 0000 UT, ST4v predicts that close approach will occur on (to the nearest hour) 2023 Apr 20 0100 EDT when 2023 HK is predicted to be 17.5 magnitude moving through Cygnus at 578"/min. Maximum brightness of 16.7 magnitude occurs 2023 Apr 19 2200 EDT with 2023 HK 386.2k km distant moving through Draco at 461"/min.
This one is really moving and parallax will affect the apparent position against the stars, so anyone attempting to observe this close approach will need to download the orbital elements and create their own finder charts. Here's the Object Info dialog for 2023 HK:
Good hunting,
Phil S.
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