Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 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)
 09/18/2022   22:25:14   (  -0.06,-137.33) (   0.54,-134.68)  302.75                80
 09/20/2022   10:44:23   (   0.06,-137.33) (   0.63,-139.95)  298.29                80
 09/21/2022   10:28:18   (   0.05,-137.32) (  -0.38,-135.42)  217.74                80
 09/22/2022   22:47:34   (  -0.04,-137.32) (  -0.83,-140.71)  387.57                80
 09/23/2022   22:31:31   (  -0.04,-137.31) (   0.23,-136.19)  128.36                80
 09/25/2022   10:50:38   (   0.04,-137.31) (   0.99,-141.45)  473.29                80
 09/26/2022   10:34:34   (   0.04,-137.30) (  -0.02,-136.92)   42.40                80
 09/28/2022   22:35:07   (  -0.04,-137.27) (  -0.11,-137.70)   48.76                80
 09/29/2022   22:19:02   (  -0.04,-137.26) (   0.90,-133.17)  466.17                80
 10/01/2022   10:38:09   (   0.04,-137.23) (   0.32,-138.43)  137.48                80