Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2022   22:49:21   (   0.03,-137.18) (  -0.70,-140.59)  387.79                80
 04/16/2022   22:27:56   (   0.03,-137.18) (   0.29,-136.05)  128.45                80
 04/18/2022   10:52:23   (  -0.03,-137.18) (   0.87,-141.32)  472.11                80
 04/19/2022   10:30:57   (  -0.03,-137.17) (  -0.12,-136.79)   43.42                80
 04/21/2022   22:34:08   (   0.03,-137.13) (  -0.04,-137.56)   48.24                80
 04/22/2022   22:18:03   (   0.03,-137.11) (   0.95,-133.02)  466.84                80
 04/24/2022   10:39:49   (  -0.02,-137.09) (   0.26,-138.28)  135.30                80
 04/25/2022   10:18:24   (  -0.02,-137.08) (  -0.73,-133.74)  379.55                80
 04/26/2022   22:40:20   (   0.01,-137.04) (  -0.41,-139.05)  227.89                80
 04/27/2022   22:24:15   (   0.01,-137.03) (   0.59,-134.51)  286.93                80