Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 6 4.  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)
 06/04/2021   03:55:45   (  -0.05,-137.18) (   0.27,-135.93)  144.13                80
 06/05/2021   03:44:00   (  -0.05,-137.18) (   0.92,-133.06)  470.90                80
 06/06/2021   16:13:51   (   0.04,-137.19) (   0.87,-140.84)  416.58                80
 06/07/2021   16:04:46   (   0.04,-137.18) (   0.20,-137.97)   90.09                80
 06/08/2021   15:50:22   (   0.04,-137.17) (  -0.46,-135.11)  236.24                80
 06/11/2021   04:11:19   (  -0.03,-137.13) (  -0.69,-140.06)  334.67                80
 06/12/2021   03:59:35   (  -0.02,-137.11) (  -0.04,-137.19)    9.23                80
 06/13/2021   03:50:31   (  -0.01,-137.10) (   0.61,-134.33)  316.07                80
 06/15/2021   16:08:34   (   0.01,-137.06) (   0.51,-139.23)  247.71                80
 06/16/2021   15:59:30   (   0.01,-137.04) (  -0.16,-136.36)   77.35                80
 06/17/2021   15:47:45   (   0.01,-137.02) (  -0.83,-133.50)  402.28                80