Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2019   06:32:40   (  -0.03, -75.18) (   0.27, -76.51)  151.75                80
 07/19/2019   06:11:15   (  -0.03, -75.19) (  -0.74, -71.98)  365.88                80
 07/20/2019   18:33:13   (   0.04, -75.22) (  -0.42, -77.29)  236.38                80
 07/21/2019   18:17:08   (   0.04, -75.23) (   0.59, -72.76)  281.83                80
 07/23/2019   06:38:56   (  -0.04, -75.26) (   0.56, -78.03)  315.68                80
 07/24/2019   06:17:32   (  -0.04, -75.28) (  -0.45, -73.50)  202.76                80
 07/25/2019   18:39:28   (   0.04, -75.31) (  -0.77, -78.80)  398.72                80
 07/26/2019   18:23:25   (   0.05, -75.33) (   0.30, -74.28)  119.97                80
 07/28/2019   06:45:12   (  -0.05, -75.36) (   0.91, -79.54)  476.94                80
 07/29/2019   06:23:49   (  -0.05, -75.38) (  -0.16, -75.02)   41.73                80
 07/31/2019   18:27:00   (   0.06, -75.44) (  -0.04, -75.79)   40.95                80