Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 5 20.  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)
 05/21/2021   16:03:31   (   0.04,-137.20) (   0.31,-138.31)  126.43                80
 05/22/2021   15:49:06   (   0.04,-137.20) (  -0.34,-135.44)  200.46                80
 05/25/2021   04:12:41   (  -0.04,-137.17) (  -0.77,-140.39)  366.91                80
 05/26/2021   04:00:57   (  -0.03,-137.16) (  -0.14,-137.52)   41.08                80
 05/27/2021   03:46:33   (  -0.03,-137.15) (   0.56,-134.66)  284.62                80
 05/29/2021   16:07:21   (   0.02,-137.12) (   0.61,-139.57)  280.50                80
 05/30/2021   15:58:17   (   0.01,-137.10) (  -0.05,-136.71)   44.99                80
 05/31/2021   15:46:33   (   0.01,-137.09) (  -0.77,-133.85)  370.30                80
 06/03/2021   04:07:29   (  -0.01,-137.03) (  -0.40,-138.80)  200.85                80