Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 3 14.  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)
 03/14/2021   15:57:42   (   0.01,-137.21) (   0.54,-139.51)  262.54                80
 03/15/2021   15:43:18   (   0.01,-137.21) (  -0.10,-136.64)   63.71                80
 03/16/2021   15:31:36   (   0.00,-137.20) (  -0.81,-133.79)  389.75                80
 03/19/2021   03:55:16   (  -0.01,-137.17) (  -0.40,-138.75)  180.91                80
 03/20/2021   03:40:52   (  -0.01,-137.15) (   0.27,-135.88)  144.68                80
 03/21/2021   03:29:09   (  -0.00,-137.14) (   0.93,-133.02)  470.02                80
 03/22/2021   16:04:20   (   0.01,-137.12) (   0.87,-140.80)  419.69                80
 03/23/2021   15:52:37   (   0.01,-137.11) (   0.22,-137.93)   94.92                80
 03/24/2021   15:38:13   (   0.01,-137.09) (  -0.43,-135.07)  229.76                80
 03/27/2021   03:59:12   (  -0.02,-137.02) (  -0.71,-140.03)  343.56                80