Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 03/05/2021   03:18:00   (  -0.05,-128.27) (  -0.46,-129.98)  195.16                80
 03/06/2021   03:03:38   (  -0.04,-128.29) (   0.25,-127.13)  133.19                80
 03/07/2021   02:51:54   (  -0.04,-128.30) (   0.91,-124.26)  461.36                80
 03/08/2021   15:27:02   (   0.06,-128.39) (   0.91,-132.03)  415.07                80
 03/09/2021   15:15:19   (   0.06,-128.40) (   0.26,-129.16)   87.29                80
 03/10/2021   15:00:57   (   0.06,-128.41) (  -0.44,-126.31)  240.51                80
 03/13/2021   03:24:38   (  -0.08,-128.36) (  -0.73,-131.28)  332.02                80
 03/14/2021   03:10:15   (  -0.07,-128.38) (  -0.07,-128.41)    4.05                80
 03/15/2021   02:58:31   (  -0.07,-128.39) (   0.59,-125.55)  323.99                80
 03/17/2021   15:21:58   (   0.08,-128.49) (   0.55,-130.46)  225.49                80