Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/27/2020   22:33:38   (  -0.01,-137.22) (  -0.09,-137.56)   39.08                80
 02/28/2020   22:17:34   (  -0.01,-137.21) (   0.92,-133.03)  476.99                80
 03/01/2020   10:39:22   (   0.02,-137.21) (   0.26,-138.30)  124.60                80
 03/02/2020   10:17:57   (   0.02,-137.20) (  -0.75,-133.77)  390.89                80
 03/03/2020   22:39:54   (  -0.02,-137.18) (  -0.46,-139.07)  215.31                80
 03/04/2020   22:23:50   (  -0.01,-137.17) (   0.60,-134.55)  299.67                80
 03/06/2020   10:45:37   (   0.01,-137.15) (   0.63,-139.81)  303.66                80
 03/07/2020   10:24:14   (   0.01,-137.13) (  -0.44,-135.29)  210.78                80
 03/08/2020   22:46:10   (  -0.00,-137.11) (  -0.77,-140.59)  396.89                80
 03/09/2020   22:30:06   (  -0.00,-137.09) (   0.24,-136.06)  117.37                80
 03/11/2020   10:51:54   (   0.00,-137.06) (   0.94,-141.33)  486.64                80