Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 7 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2020   22:33:40   (  -0.00,-137.18) (  -0.08,-137.50)   36.80                80
 07/05/2020   22:17:36   (   0.01,-137.18) (   0.96,-132.98)  478.57                80
 07/07/2020   10:39:25   (  -0.01,-137.17) (   0.24,-138.25)  123.00                80
 07/08/2020   10:18:01   (  -0.01,-137.16) (  -0.80,-133.73)  392.31                80
 07/09/2020   22:39:57   (  -0.00,-137.14) (  -0.44,-139.02)  213.97                80
 07/10/2020   22:23:54   (  -0.01,-137.14) (   0.60,-134.50)  301.50                80
 07/12/2020   10:45:42   (   0.02,-137.13) (   0.60,-139.76)  300.38                80
 07/13/2020   10:24:18   (   0.01,-137.11) (  -0.38,-135.23)  214.37                80
 07/14/2020   22:46:16   (   0.00,-137.09) (  -0.74,-140.55)  393.69                80
 07/15/2020   22:30:12   (   0.01,-137.07) (   0.24,-136.01)  120.63                80