Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 3 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/20/2022   22:34:17   (   0.05,-137.20) (  -0.06,-137.58)   44.07                80
 03/21/2022   22:18:13   (   0.05,-137.20) (   0.97,-133.06)  472.13                80
 03/23/2022   10:40:00   (  -0.04,-137.19) (   0.23,-138.32)  129.18                80
 03/24/2022   10:18:36   (  -0.04,-137.18) (  -0.80,-133.79)  386.33                80
 03/25/2022   22:40:32   (   0.04,-137.17) (  -0.38,-139.10)  219.88                80
 03/26/2022   22:24:27   (   0.03,-137.15) (   0.59,-134.56)  295.39                80
 03/28/2022   10:46:14   (  -0.02,-137.14) (   0.61,-139.82)  306.78                80
 03/29/2022   10:24:49   (  -0.02,-137.12) (  -0.43,-135.30)  208.32                80
 03/30/2022   22:46:46   (   0.02,-137.10) (  -0.74,-140.60)  398.38                80
 03/31/2022   22:30:40   (   0.02,-137.09) (   0.23,-136.06)  116.64                80
 04/02/2022   10:52:28   (  -0.02,-137.07) (   0.96,-141.33)  485.92                80