Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2022   10:52:22   (  -0.03,-137.19) (   0.91,-141.32)  470.46                80
 04/19/2022   10:30:58   (  -0.03,-137.19) (  -0.14,-136.79)   46.20                80
 04/21/2022   22:36:48   (   0.03,-137.18) (  -0.07,-137.55)   42.60                80
 04/22/2022   22:15:23   (   0.03,-137.17) (   0.98,-133.03)  473.52                80
 04/24/2022   10:39:50   (  -0.02,-137.17) (   0.23,-138.28)  126.95                80
 04/25/2022   10:18:24   (  -0.02,-137.16) (  -0.77,-133.75)  388.98                80
 04/26/2022   22:42:59   (   0.01,-137.15) (  -0.43,-139.04)  216.69                80
 04/27/2022   22:21:35   (   0.01,-137.14) (   0.63,-134.52)  299.23                80
 04/29/2022   10:46:01   (  -0.01,-137.13) (   0.58,-139.78)  301.59                80
 04/30/2022   10:24:36   (  -0.01,-137.12) (  -0.43,-135.24)  213.94                80
 05/01/2022   22:46:31   (   0.01,-137.10) (  -0.76,-140.54)  392.70                80