2022-04-05, 04:24 PM
Hi BMD,
Yes, we dodged a couple more impacts. Many of these rocks are only detected on the way out.
Here's my Observing List (OL) showing the MPs that were predicted to be within 0.05 AU of earth on 2022 Apr 5 (today): [attachment=2313]
The OL was created using ST4v's Database Power Search (DBPS) on Apr 3 after I downloaded the MPC's NEAs at Today's Epoch data file to get the MPC's latest elements for the ~28,000 known NEAs. The OL is sorted on the Brief column at the far right that shows the peak brightness expected during the pass. MPs that were detected after close approach have PCA (=Past Close Approach) in the Brief. There are quite a few rocks with PCA in the list, although few as close as 2022 GC & 2022 GQ. Some objects like 2022 FY which came close ~Mar 25 were detected before that, so they're not tagged with the PCA label.
If I reran the DBPS today, there would be more objects on the OL as several MPs were detected yesterday & today & added to the MPC's data file.
Searching for these things is quite a challenge. It's a wonder that they're able to spot them at all.
Phil S.
Yes, we dodged a couple more impacts. Many of these rocks are only detected on the way out.
Here's my Observing List (OL) showing the MPs that were predicted to be within 0.05 AU of earth on 2022 Apr 5 (today): [attachment=2313]
The OL was created using ST4v's Database Power Search (DBPS) on Apr 3 after I downloaded the MPC's NEAs at Today's Epoch data file to get the MPC's latest elements for the ~28,000 known NEAs. The OL is sorted on the Brief column at the far right that shows the peak brightness expected during the pass. MPs that were detected after close approach have PCA (=Past Close Approach) in the Brief. There are quite a few rocks with PCA in the list, although few as close as 2022 GC & 2022 GQ. Some objects like 2022 FY which came close ~Mar 25 were detected before that, so they're not tagged with the PCA label.
If I reran the DBPS today, there would be more objects on the OL as several MPs were detected yesterday & today & added to the MPC's data file.
Searching for these things is quite a challenge. It's a wonder that they're able to spot them at all.
Phil S.