Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2022   10:39:57   (  -0.03,-137.21) (   0.24,-138.31)  125.79                80
 04/09/2022   10:18:32   (  -0.03,-137.21) (  -0.81,-133.78)  390.79                80
 04/10/2022   22:43:08   (   0.02,-137.20) (  -0.41,-139.08)  214.46                80
 04/11/2022   22:21:43   (   0.02,-137.20) (   0.63,-134.55)  301.86                80
 04/13/2022   10:46:09   (  -0.02,-137.20) (   0.59,-139.81)  298.01                80
 04/14/2022   10:24:45   (  -0.02,-137.20) (  -0.46,-135.29)  217.98                80
 04/15/2022   22:49:20   (   0.01,-137.18) (  -0.75,-140.58)  388.30                80
 04/16/2022   22:27:56   (   0.02,-137.17) (   0.30,-136.06)  127.26                80
 04/18/2022   10:52:22   (  -0.02,-137.16) (   0.92,-141.31)  474.07                80
 04/19/2022   10:30:57   (  -0.02,-137.14) (  -0.07,-136.78)   40.94                80
 04/21/2022   22:34:07   (   0.01,-137.08) (  -0.08,-137.55)   52.91                80