Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/19/2021   03:40:00   (  -0.03,-137.20) (   0.83,-133.38)  435.40                80
 05/20/2021   16:12:36   (   0.03,-137.20) (   0.94,-141.18)  454.08                80
 05/21/2021   16:00:51   (   0.03,-137.20) (   0.30,-138.31)  127.21                80
 05/22/2021   15:51:47   (   0.03,-137.19) (  -0.35,-135.44)  199.55                80
 05/25/2021   04:12:41   (  -0.03,-137.17) (  -0.76,-140.39)  367.66                80
 05/26/2021   04:00:57   (  -0.02,-137.16) (  -0.13,-137.52)   41.93                80
 05/27/2021   03:46:34   (  -0.02,-137.15) (   0.57,-134.66)  283.64                80
 05/29/2021   16:07:21   (   0.01,-137.11) (   0.60,-139.58)  282.21                80
 05/30/2021   15:58:18   (   0.00,-137.09) (  -0.11,-136.72)   43.20                80
 05/31/2021   15:46:33   (   0.00,-137.07) (  -0.77,-133.85)  368.38                80