Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 5 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)
 05/03/2019   10:18:08   (   0.00,-137.19) (  -0.74,-133.76)  389.66                80
 05/04/2019   22:40:06   (  -0.00,-137.16) (  -0.45,-139.07)  218.48                80
 05/05/2019   22:24:02   (  -0.00,-137.15) (   0.60,-134.55)  296.62                80
 05/07/2019   10:45:50   (   0.00,-137.15) (   0.60,-139.82)  304.47                80
 05/08/2019   10:24:26   (  -0.00,-137.13) (  -0.39,-135.28)  209.60                80
 05/09/2019   22:46:23   (   0.00,-137.07) (  -0.80,-140.59)  401.05                80
 05/10/2019   22:30:20   (   0.00,-137.05) (   0.25,-136.07)  112.95                80
 05/12/2019   10:52:08   (   0.00,-137.04) (   0.95,-141.33)  488.86                80
 05/13/2019   10:30:44   (   0.00,-137.02) (  -0.04,-136.80)   24.53                80
 05/15/2019   22:33:56   (  -0.00,-136.93) (  -0.15,-137.57)   74.00                80