Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 8 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2019   18:33:17   (   0.04, -75.24) (  -0.41, -77.28)  232.32                80
 08/22/2019   18:17:13   (   0.04, -75.26) (   0.61, -72.75)  286.62                80
 08/24/2019   06:39:00   (  -0.04, -75.28) (   0.60, -78.01)  311.93                80
 08/25/2019   06:17:37   (  -0.05, -75.30) (  -0.48, -73.49)  206.96                80
 08/26/2019   18:39:33   (   0.05, -75.36) (  -0.72, -78.79)  391.96                80
 08/27/2019   18:23:29   (   0.05, -75.38) (   0.30, -74.26)  127.15                80
 08/29/2019   06:45:17   (  -0.06, -75.40) (   0.85, -79.54)  470.70                80
 08/30/2019   06:23:52   (  -0.06, -75.43) (  -0.17, -75.01)   48.72                80
 09/01/2019   18:27:04   (   0.06, -75.52) (  -0.00, -75.78)   29.19                80
 09/02/2019   18:11:00   (   0.06, -75.56) (   1.02, -71.25)  490.99                80