Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 30.  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) (  -0.02,-137.53)   36.16                80
 02/01/2022   22:18:06   (   0.04,-137.21) (   0.98,-132.99)  480.52                80
 02/03/2022   10:39:51   (  -0.04,-137.20) (   0.20,-138.25)  120.37                80
 02/04/2022   10:18:25   (  -0.04,-137.19) (  -0.80,-133.71)  396.24                80
 02/05/2022   22:40:19   (   0.04,-137.19) (  -0.36,-139.01)  207.45                80
 02/06/2022   22:24:13   (   0.04,-137.19) (   0.64,-134.47)  308.99                80
 02/08/2022   10:45:58   (  -0.03,-137.17) (   0.54,-139.73)  292.46                80
 02/09/2022   10:24:31   (  -0.03,-137.16) (  -0.46,-135.19)  223.53                80
 02/10/2022   22:46:26   (   0.03,-137.14) (  -0.70,-140.50)  381.37                80
 02/11/2022   22:30:19   (   0.02,-137.13) (   0.31,-135.96)  134.29                80