Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/04/2021   18:16:23   (   0.04, -75.22) (   0.62, -72.71)  286.46                80
 03/06/2021   06:38:10   (  -0.03, -75.22) (   0.58, -77.97)  313.85                80
 03/07/2021   06:16:46   (  -0.03, -75.22) (  -0.46, -73.45)  203.11                80
 03/08/2021   18:38:41   (   0.02, -75.23) (  -0.76, -78.74)  399.51                80
 03/09/2021   18:22:37   (   0.01, -75.24) (   0.27, -74.21)  118.34                80
 03/11/2021   06:44:24   (  -0.00, -75.26) (   0.92, -79.48)  479.98                80
 03/12/2021   06:22:59   (  -0.00, -75.27) (  -0.06, -74.94)   37.96                80
 03/14/2021   18:26:09   (   0.00, -75.32) (  -0.11, -75.71)   45.01                80
 03/15/2021   18:10:05   (   0.00, -75.34) (   0.93, -71.18)  473.91                80
 03/17/2021   06:31:52   (  -0.00, -75.38) (   0.26, -76.45)  122.84                80