Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 10.  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)
 04/10/2021   15:39:46   (   0.02,-137.20) (  -0.53,-134.79)  275.08                80
 04/13/2021   04:03:19   (  -0.02,-137.17) (  -0.63,-139.73)  292.70                80
 04/14/2021   03:48:56   (  -0.02,-137.16) (   0.05,-136.87)   32.99                80
 04/15/2021   03:37:13   (  -0.02,-137.14) (   0.73,-134.01)  358.47                80
 04/17/2021   16:00:45   (   0.02,-137.11) (   0.43,-138.94)  208.84                80
 04/18/2021   15:46:22   (   0.02,-137.09) (  -0.23,-136.08)  115.84                80
 04/19/2021   15:34:38   (   0.01,-137.07) (  -0.90,-133.22)  440.33                80
 04/21/2021   04:07:14   (  -0.02,-137.02) (  -0.95,-141.01)  455.30                80
 04/22/2021   03:55:30   (  -0.02,-136.99) (  -0.27,-138.14)  131.03                80
 04/23/2021   03:46:26   (  -0.02,-136.97) (   0.35,-135.27)  193.18                80