Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 26.  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   03:36:56   (   0.01,-128.35) (  -0.71,-131.34)  341.92                80
 05/29/2021   03:25:13   (   0.01,-128.37) (  -0.01,-128.49)   13.65                80
 05/30/2021   03:10:48   (   0.01,-128.38) (   0.63,-125.62)  314.64                80
 06/01/2021   15:31:37   (  -0.03,-128.49) (   0.42,-130.55)  234.18                80
 06/02/2021   15:22:32   (  -0.02,-128.51) (  -0.24,-127.68)   94.59                80
 06/03/2021   15:10:48   (  -0.02,-128.52) (  -0.90,-124.82)  423.31                80
 06/05/2021   03:43:28   (   0.03,-128.45) (  -0.95,-132.63)  477.01                80
 06/06/2021   03:31:45   (   0.03,-128.46) (  -0.25,-129.77)  148.89                80
 06/07/2021   03:17:20   (   0.03,-128.47) (   0.40,-126.90)  179.15                80