Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 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)
 01/08/2022   10:25:21   (  -0.03,-137.22) (  -0.47,-135.37)  211.37                80
 01/09/2022   22:47:15   (   0.03,-137.21) (  -0.72,-140.67)  393.63                80
 01/10/2022   22:31:09   (   0.03,-137.20) (   0.27,-136.12)  122.85                80
 01/12/2022   10:50:14   (  -0.02,-137.20) (   0.92,-141.38)  477.30                80
 01/13/2022   10:34:08   (  -0.01,-137.19) (  -0.07,-136.84)   38.90                80
 01/15/2022   22:34:36   (  -0.01,-137.15) (  -0.13,-137.60)   51.57                80
 01/16/2022   22:18:30   (  -0.01,-137.13) (   0.92,-133.07)  463.71                80
 01/18/2022   10:40:15   (   0.01,-137.11) (   0.27,-138.33)  138.28                80
 01/19/2022   10:18:49   (   0.01,-137.09) (  -0.72,-133.79)  376.62                80
 01/20/2022   22:40:43   (  -0.01,-137.06) (  -0.45,-139.09)  231.07                80
 01/21/2022   22:24:37   (  -0.01,-137.04) (   0.54,-134.55)  283.65                80