"2023 DW" is a provisional minor-planet designation [0]. The "D" indicates that it was discovered in the second half of February (Feb. 16-28), and the "W" indic

"2023 DW" is a provisional minor-planet designation [0]. The "D" indicates that it was discovered in the second half of February (Feb. 16-28), and the "W" indicates that it was the 22nd minor planet discovered in that time frame. [0] https://en.wikipedia.org/wiki/Provisional_designation_in_astronomy#New-style_provisional_designation https://en.wikipedia.org/wiki/Provisional_designation_in_ast...