Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2022   22:34:12   (   0.04,-137.21) (  -0.05,-137.53)   36.40                80
 02/01/2022   22:18:07   (   0.04,-137.21) (   1.01,-133.00)  480.24                80
 02/03/2022   10:39:52   (  -0.04,-137.20) (   0.17,-138.26)  120.78                80
 02/04/2022   10:18:25   (  -0.04,-137.19) (  -0.83,-133.72)  395.79                80
 02/05/2022   22:40:19   (   0.04,-137.19) (  -0.39,-139.01)  208.06                80
 02/06/2022   22:24:13   (   0.04,-137.18) (   0.67,-134.48)  308.34                80
 02/08/2022   10:45:57   (  -0.03,-137.16) (   0.57,-139.73)  293.22                80
 02/09/2022   10:24:32   (  -0.03,-137.15) (  -0.49,-135.20)  222.73                80
 02/10/2022   22:46:25   (   0.03,-137.13) (  -0.72,-140.49)  382.32                80
 02/11/2022   22:30:19   (   0.02,-137.12) (   0.29,-135.95)  133.24                80
 02/13/2022   10:52:03   (   0.01,-137.09) (   0.95,-141.20)  468.88                80