Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 24.  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)
 05/24/2021   15:25:06   (   0.01,-128.39) (   0.18,-129.27)  100.10                80
 05/25/2021   15:16:02   (   0.01,-128.41) (  -0.47,-126.41)  229.18                80
 05/28/2021   03:36:57   (   0.01,-128.36) (  -0.68,-131.35)  341.74                80
 05/29/2021   03:25:12   (   0.01,-128.37) (  -0.04,-128.48)   13.64                80
 05/30/2021   03:10:49   (   0.01,-128.38) (   0.66,-125.62)  314.75                80
 06/01/2021   15:31:36   (  -0.02,-128.49) (   0.45,-130.55)  234.42                80
 06/02/2021   15:22:32   (  -0.02,-128.50) (  -0.21,-127.68)   94.28                80
 06/03/2021   15:10:48   (  -0.01,-128.52) (  -0.88,-124.81)  423.03                80
 06/05/2021   03:43:28   (   0.03,-128.45) (  -0.97,-132.62)  476.95                80
 06/06/2021   03:31:44   (   0.02,-128.46) (  -0.27,-129.77)  148.80                80