Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 3 16.  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)
 03/16/2021   15:31:35   (   0.00,-137.21) (  -0.77,-133.78)  391.37                80
 03/19/2021   03:55:16   (  -0.01,-137.20) (  -0.38,-138.75)  177.17                80
 03/20/2021   03:40:53   (  -0.00,-137.20) (   0.29,-135.89)  149.16                80
 03/21/2021   03:29:09   (  -0.00,-137.19) (   0.96,-133.02)  475.29                80
 03/22/2021   16:04:20   (   0.01,-137.18) (   0.84,-140.81)  413.38                80
 03/23/2021   15:52:37   (   0.01,-137.17) (   0.19,-137.94)   87.81                80
 03/24/2021   15:38:14   (   0.01,-137.16) (  -0.45,-135.07)  237.65                80
 03/27/2021   04:01:52   (  -0.02,-137.11) (  -0.68,-140.04)  333.48                80
 03/28/2021   03:47:29   (  -0.02,-137.09) (  -0.01,-137.17)    8.76                80
 03/29/2021   03:35:44   (  -0.02,-137.08) (   0.60,-134.30)  316.68                80