Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2019   18:23:09   (   0.00, -75.20) (   0.21, -74.24)  108.63                80
 06/10/2019   06:44:57   (  -0.01, -75.21) (   0.98, -79.51)  491.35                80
 06/11/2019   06:23:34   (  -0.01, -75.21) (  -0.08, -74.99)   25.64                80
 06/13/2019   18:26:46   (   0.01, -75.23) (  -0.08, -75.77)   60.66                80
 06/14/2019   18:10:42   (   0.01, -75.24) (   0.92, -71.24)  456.85                80
 06/16/2019   06:32:30   (  -0.02, -75.26) (   0.27, -76.51)  141.80                80
 06/17/2019   06:11:06   (  -0.02, -75.28) (  -0.73, -71.97)  375.87                80
 06/18/2019   18:33:03   (   0.03, -75.30) (  -0.42, -77.29)  226.52                80
 06/19/2019   18:16:59   (   0.03, -75.31) (   0.59, -72.75)  291.63                80
 06/21/2019   06:38:48   (  -0.03, -75.35) (   0.54, -78.03)  305.83                80