Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 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)
 06/16/2022   10:45:50   (   0.01,-137.20) (   0.56,-139.72)  286.90                80
 06/17/2022   10:24:26   (   0.01,-137.19) (  -0.45,-135.19)  228.44                80
 06/18/2022   22:49:05   (  -0.02,-137.18) (  -0.73,-140.50)  377.93                80
 06/19/2022   22:27:41   (  -0.01,-137.18) (   0.28,-135.97)  137.56                80
 06/21/2022   10:52:10   (   0.02,-137.18) (   0.92,-141.25)  463.53                80
 06/22/2022   10:30:47   (   0.01,-137.17) (  -0.10,-136.72)   51.69                80
 06/24/2022   22:36:41   (  -0.01,-137.14) (  -0.12,-137.49)   40.55                80
 06/25/2022   22:15:17   (  -0.00,-137.13) (   0.90,-132.97)  474.26                80
 06/27/2022   10:39:48   (   0.00,-137.12) (   0.23,-138.25)  128.35                80
 06/28/2022   10:18:24   (  -0.01,-137.11) (  -0.79,-133.73)  385.87                80