Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/29/2019   06:32:06   (   0.00, -75.19) (   0.26, -76.44)  141.39                80
 04/30/2019   06:10:42   (   0.00, -75.20) (  -0.72, -71.90)  375.30                80
 05/01/2019   18:32:39   (  -0.00, -75.22) (  -0.47, -77.21)  227.04                80
 05/02/2019   18:16:36   (  -0.00, -75.23) (   0.58, -72.69)  290.17                80
 05/04/2019   06:38:24   (   0.00, -75.24) (   0.62, -77.96)  310.37                80
 05/05/2019   06:17:01   (   0.00, -75.24) (  -0.42, -73.43)  206.84                80
 05/06/2019   18:38:58   (  -0.00, -75.27) (  -0.76, -78.74)  395.16                80
 05/07/2019   18:22:53   (   0.00, -75.28) (   0.23, -74.21)  122.21                80
 05/09/2019   06:44:43   (  -0.00, -75.29) (   0.92, -79.49)  477.92                80
 05/10/2019   06:23:18   (  -0.01, -75.30) (  -0.07, -74.95)   39.36                80