I just tested the download of elements for 2021 JG1 from MPC. The 'JG' must be upper case to get a match from MPC. My database still has the epoch of the elements as 19 May 2021 after the download, so I'm not certain why MPC didn't provide elements at today's epoch.
Phil S.
Here's the .stx file containing the orbital elements of MP 2021 JG1.
Phil S.
Phil S.
Here's the .stx file containing the orbital elements of MP 2021 JG1.
Phil S.

