Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 27.  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)
 05/28/2021   03:36:57   (   0.01,-128.35) (  -0.66,-131.35)  342.05                80
 05/29/2021   03:25:12   (   0.01,-128.36) (  -0.02,-128.48)   13.78                80
 05/30/2021   03:10:49   (   0.01,-128.37) (   0.68,-125.63)  314.50                80
 06/01/2021   15:31:37   (  -0.03,-128.49) (   0.43,-130.55)  234.20                80
 06/02/2021   15:22:32   (  -0.02,-128.51) (  -0.23,-127.68)   94.51                80
 06/03/2021   15:10:48   (  -0.02,-128.52) (  -0.89,-124.81)  423.24                80
 06/05/2021   03:43:28   (   0.03,-128.45) (  -0.96,-132.62)  477.23                80
 06/06/2021   03:31:45   (   0.03,-128.46) (  -0.26,-129.77)  149.09                80
 06/07/2021   03:17:20   (   0.03,-128.47) (   0.39,-126.90)  178.91                80
 06/09/2021   15:38:06   (  -0.04,-128.56) (   0.71,-131.82)  371.54                80