Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2021   06:25:56   (  -0.03, -75.25) (  -0.12, -74.96)   33.17                80
 06/18/2021   18:26:30   (   0.03, -75.28) (  -0.06, -75.74)   52.68                80
 06/19/2021   18:10:26   (   0.03, -75.29) (   0.91, -71.21)  464.38                80
 06/21/2021   06:29:35   (  -0.04, -75.28) (   0.26, -76.48)  137.13                80
 06/22/2021   06:13:31   (  -0.04, -75.29) (  -0.78, -71.96)  379.86                80
 06/23/2021   18:32:50   (   0.05, -75.32) (  -0.36, -77.27)  222.44                80
 06/24/2021   18:16:45   (   0.04, -75.33) (   0.61, -72.74)  294.86                80
 06/26/2021   06:35:54   (  -0.05, -75.33) (   0.56, -78.01)  305.79                80
 06/27/2021   06:19:51   (  -0.05, -75.35) (  -0.47, -73.49)  211.85                80
 06/28/2021   18:39:08   (   0.06, -75.38) (  -0.71, -78.79)  389.33                80
 06/29/2021   18:23:05   (   0.05, -75.40) (   0.32, -74.27)  129.11                80