Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 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)
 04/21/2021   04:09:55   (  -0.02,-137.20) (  -0.90,-141.02)  435.73                80
 04/22/2021   03:58:11   (  -0.02,-137.20) (  -0.22,-138.15)  108.75                80
 04/23/2021   03:43:47   (  -0.02,-137.20) (   0.40,-135.28)  218.21                80
 04/25/2021   16:07:21   (   0.02,-137.20) (   0.74,-140.22)  345.78                80
 04/26/2021   15:55:37   (   0.02,-137.19) (   0.07,-137.36)   19.42                80
 04/27/2021   15:41:14   (   0.02,-137.18) (  -0.61,-134.50)  306.74                80
 04/30/2021   04:04:46   (  -0.02,-137.15) (  -0.53,-139.43)  260.51                80
 05/01/2021   03:50:21   (  -0.01,-137.13) (   0.10,-136.56)   64.91                80
 05/02/2021   03:38:38   (  -0.01,-137.12) (   0.78,-133.70)  390.14                80