Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2019   06:45:03   (  -0.01, -75.20) (   0.95, -79.53)  493.00                80
 06/27/2019   06:23:39   (  -0.01, -75.20) (  -0.05, -75.00)   23.35                80
 06/29/2019   18:26:52   (   0.01, -75.21) (  -0.10, -75.77)   64.00                80
 06/30/2019   18:10:47   (   0.01, -75.21) (   0.90, -71.24)  452.62                80
 07/02/2019   06:32:35   (  -0.01, -75.21) (   0.28, -76.51)  147.98                80
 07/03/2019   06:11:11   (  -0.01, -75.21) (  -0.73, -71.98)  368.58                80
 07/04/2019   18:33:08   (   0.01, -75.22) (  -0.43, -77.29)  235.09                80
 07/05/2019   18:17:04   (   0.01, -75.23) (   0.58, -72.76)  281.88                80
 07/07/2019   06:38:52   (  -0.01, -75.24) (   0.60, -78.03)  317.70                80
 07/08/2019   06:17:28   (  -0.01, -75.25) (  -0.41, -73.50)  199.75                80