Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 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)
 01/16/2022   22:18:30   (   0.03,-137.20) (   0.93,-133.07)  470.71                80
 01/18/2022   10:37:35   (  -0.03,-137.22) (   0.25,-138.33)  127.69                80
 01/19/2022   10:18:50   (  -0.03,-137.22) (  -0.80,-133.80)  389.59                80
 01/20/2022   22:40:44   (   0.03,-137.21) (  -0.38,-139.10)  214.72                80
 01/21/2022   22:24:38   (   0.03,-137.22) (   0.61,-134.56)  302.33                80
 01/23/2022   10:46:23   (  -0.03,-137.22) (   0.57,-139.82)  296.80                80
 01/24/2022   10:24:58   (  -0.03,-137.22) (  -0.48,-135.29)  219.85                80
 01/25/2022   22:46:51   (   0.03,-137.20) (  -0.75,-140.58)  385.55                80
 01/26/2022   22:30:45   (   0.02,-137.19) (   0.31,-136.05)  130.68                80
 01/28/2022   10:49:50   (   0.00,-137.18) (   0.93,-141.30)  469.44                80
 01/29/2022   10:31:03   (   0.02,-137.17) (  -0.06,-136.76)   46.32                80