Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 16.  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,-137.19) (   0.56,-139.72)  286.89                80
 06/17/2022   10:24:26   (   0.01,-137.19) (  -0.45,-135.19)  228.46                80
 06/18/2022   22:49:05   (  -0.02,-137.18) (  -0.73,-140.50)  377.79                80
 06/19/2022   22:27:41   (  -0.01,-137.18) (   0.28,-135.97)  137.71                80
 06/21/2022   10:52:10   (   0.02,-137.18) (   0.91,-141.25)  463.49                80
 06/22/2022   10:30:47   (   0.01,-137.17) (  -0.10,-136.72)   51.75                80
 06/24/2022   22:36:41   (  -0.01,-137.15) (  -0.11,-137.49)   40.35                80
 06/25/2022   22:15:17   (  -0.00,-137.14) (   0.91,-132.97)  474.44                80
 06/27/2022   10:39:48   (   0.00,-137.12) (   0.22,-138.26)  128.28                80
 06/28/2022   10:18:23   (  -0.01,-137.11) (  -0.74,-133.72)  385.96                80
 06/29/2022   22:40:21   (   0.01,-137.08) (  -0.42,-139.03)  222.63                80