Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 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)
 01/12/2022   10:52:54   (  -0.03,-137.20) (   0.92,-141.38)  477.55                80
 01/13/2022   10:31:28   (  -0.02,-137.19) (  -0.07,-136.84)   38.56                80
 01/15/2022   22:34:35   (  -0.00,-137.15) (  -0.13,-137.60)   52.16                80
 01/16/2022   22:18:30   (  -0.01,-137.13) (   0.92,-133.07)  463.50                80
 01/18/2022   10:40:15   (   0.02,-137.11) (   0.26,-138.33)  138.36                80
 01/19/2022   10:18:49   (   0.02,-137.09) (  -0.73,-133.79)  376.50                80
 01/20/2022   22:40:43   (  -0.01,-137.05) (  -0.45,-139.09)  231.41                80
 01/21/2022   22:24:37   (  -0.01,-137.03) (   0.54,-134.55)  283.21                80
 01/23/2022   10:46:22   (   0.01,-137.00) (   0.64,-139.81)  319.54                80
 01/24/2022   10:24:56   (   0.01,-136.98) (  -0.35,-135.26)  194.66                80