Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 3 21.  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)
 03/21/2021   03:29:09   (   0.00,-137.19) (   0.97,-133.03)  475.28                80
 03/22/2021   16:04:21   (   0.01,-137.19) (   0.83,-140.81)  412.98                80
 03/23/2021   15:52:37   (   0.01,-137.17) (   0.18,-137.94)   87.35                80
 03/24/2021   15:38:14   (   0.01,-137.16) (  -0.47,-135.08)  238.17                80
 03/27/2021   04:01:53   (  -0.02,-137.12) (  -0.67,-140.04)  332.97                80
 03/28/2021   03:50:08   (  -0.02,-137.10) (  -0.06,-137.16)    8.18                80
 03/29/2021   03:35:45   (  -0.02,-137.08) (   0.61,-134.30)  317.28                80
 03/31/2021   15:59:15   (   0.02,-137.04) (   0.54,-139.22)  249.53                80
 04/01/2021   15:44:51   (   0.02,-137.02) (  -0.12,-136.36)   74.65                80
 04/02/2021   15:33:09   (   0.01,-136.99) (  -0.83,-133.51)  398.55                80