Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2020   10:24:09   (   0.03,-137.21) (  -0.41,-135.26)  222.44                80
 02/21/2020   22:46:05   (  -0.03,-137.22) (  -0.81,-140.56)  381.95                80
 02/22/2020   22:30:02   (  -0.03,-137.21) (   0.26,-136.04)  133.94                80
 02/24/2020   10:51:50   (   0.03,-137.20) (   0.93,-141.31)  468.43                80
 02/25/2020   10:30:25   (   0.03,-137.19) (  -0.08,-136.78)   47.18                80
 02/27/2020   22:33:37   (  -0.03,-137.18) (  -0.13,-137.55)   42.71                80
 02/28/2020   22:17:33   (  -0.03,-137.17) (   0.88,-133.02)  472.52                80
 03/01/2020   10:39:21   (   0.03,-137.14) (   0.30,-138.29)  131.04                80
 03/02/2020   10:17:57   (   0.03,-137.13) (  -0.70,-133.76)  383.59                80
 03/03/2020   22:39:54   (  -0.04,-137.11) (  -0.45,-139.07)  223.39                80