Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 3 18.  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   22:36:57   (   0.04,-137.21) (  -0.06,-137.58)   43.56                80
 03/21/2022   22:18:13   (   0.04,-137.21) (   0.97,-133.06)  472.81                80
 03/23/2022   10:40:00   (  -0.04,-137.20) (   0.23,-138.32)  128.05                80
 03/24/2022   10:18:36   (  -0.04,-137.20) (  -0.80,-133.79)  387.67                80
 03/25/2022   22:40:32   (   0.03,-137.18) (  -0.38,-139.10)  218.35                80
 03/26/2022   22:24:27   (   0.03,-137.17) (   0.59,-134.56)  297.12                80
 03/28/2022   10:46:15   (  -0.02,-137.16) (   0.55,-139.84)  304.63                80
 03/29/2022   10:24:50   (  -0.02,-137.15) (  -0.42,-135.30)  210.67                80
 03/30/2022   22:46:46   (   0.01,-137.13) (  -0.75,-140.60)  395.82                80
 03/31/2022   22:30:40   (   0.02,-137.11) (   0.23,-136.06)  119.40                80