Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2022   22:21:43   (   0.03,-137.19) (   0.64,-134.56)  300.93                80
 04/13/2022   10:46:10   (  -0.03,-137.19) (   0.58,-139.81)  299.27                80
 04/14/2022   10:24:45   (  -0.03,-137.18) (  -0.46,-135.29)  216.54                80
 04/15/2022   22:49:20   (   0.02,-137.16) (  -0.75,-140.58)  389.92                80
 04/16/2022   22:27:56   (   0.03,-137.15) (   0.30,-136.06)  125.46                80
 04/18/2022   10:52:22   (  -0.03,-137.14) (   0.92,-141.31)  476.15                80
 04/19/2022   10:30:58   (  -0.03,-137.12) (  -0.13,-136.79)   38.65                80
 04/21/2022   22:34:08   (   0.02,-137.06) (  -0.08,-137.55)   55.58                80
 04/22/2022   22:18:02   (   0.02,-137.04) (   0.92,-133.01)  458.53                80
 04/24/2022   10:39:48   (  -0.01,-137.01) (   0.30,-138.27)  144.67                80