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)
 03/18/2022   10:31:06   (  -0.04,-137.19) (  -0.12,-136.81)   42.99                80
 03/20/2022   22:34:18   (   0.04,-137.17) (  -0.04,-137.59)   47.23                80
 03/21/2022   22:18:13   (   0.04,-137.16) (   0.98,-133.06)  467.97                80
 03/23/2022   10:40:01   (  -0.04,-137.14) (   0.22,-138.32)  134.75                80
 03/24/2022   10:18:36   (  -0.04,-137.12) (  -0.81,-133.80)  379.78                80
 03/25/2022   22:40:31   (   0.03,-137.09) (  -0.43,-139.09)  227.94                80
 03/26/2022   22:24:27   (   0.03,-137.07) (   0.60,-134.56)  286.36                80
 03/28/2022   10:46:14   (  -0.02,-137.04) (   0.60,-139.83)  317.23                80
 03/29/2022   10:24:50   (  -0.02,-137.02) (  -0.43,-135.30)  196.91                80
 03/30/2022   22:46:45   (   0.01,-136.98) (  -0.80,-140.59)  411.34                80
 03/31/2022   22:30:41   (   0.01,-136.96) (   0.23,-136.06)  102.70                80