Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 3 15.  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)
 03/15/2021   15:43:19   (   0.01,-137.21) (  -0.14,-136.65)   63.77                80
 03/16/2021   15:31:36   (   0.00,-137.20) (  -0.79,-133.79)  389.79                80
 03/19/2021   03:55:16   (  -0.01,-137.17) (  -0.36,-138.76)  180.89                80
 03/20/2021   03:40:53   (  -0.01,-137.15) (   0.31,-135.89)  144.69                80
 03/21/2021   03:29:09   (  -0.00,-137.14) (   0.98,-133.03)  470.03                80
 03/22/2021   16:04:20   (   0.01,-137.12) (   0.88,-140.80)  419.66                80
 03/23/2021   15:52:36   (   0.01,-137.11) (   0.23,-137.93)   94.93                80
 03/24/2021   15:38:14   (   0.01,-137.09) (  -0.47,-135.08)  229.80                80
 03/27/2021   03:59:12   (  -0.02,-137.02) (  -0.72,-140.03)  343.52                80
 03/28/2021   03:47:28   (  -0.02,-136.99) (  -0.05,-137.16)   19.18                80