Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 22.  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)
 04/22/2021   03:56:55   (  -0.03,-137.20) (   0.00,-138.21)  112.16                 0
 04/23/2021   03:43:48   (  -0.03,-137.20) (   0.45,-135.29)  218.55                80
 04/25/2021   16:07:20   (   0.03,-137.20) (   0.76,-140.22)  345.00                80
 04/26/2021   15:55:37   (   0.03,-137.20) (   0.08,-137.36)   18.63                80
 04/27/2021   15:41:13   (   0.03,-137.19) (  -0.60,-134.50)  307.66                80
 04/30/2021   04:04:45   (  -0.02,-137.15) (  -0.54,-139.43)  259.61                80
 05/01/2021   03:50:22   (  -0.02,-137.14) (   0.14,-136.57)   65.89                80
 05/02/2021   03:38:37   (  -0.02,-137.13) (   0.76,-133.70)  391.18                80
 05/04/2021   15:59:31   (   0.01,-137.09) (   0.38,-138.64)  176.27                80
 05/05/2021   15:50:28   (   0.01,-137.08) (  -0.31,-135.78)  149.04                80