Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2021   06:31:56   (  -0.03, -75.20) (   0.26, -76.46)  143.85                80
 03/02/2021   06:10:32   (  -0.03, -75.20) (  -0.77, -71.93)  372.97                80
 03/03/2021   18:32:28   (   0.03, -75.21) (  -0.39, -77.24)  230.32                80
 03/04/2021   18:16:23   (   0.03, -75.22) (   0.58, -72.70)  286.95                80
 03/06/2021   06:38:11   (  -0.03, -75.23) (   0.56, -77.98)  312.30                80
 03/07/2021   06:16:45   (  -0.03, -75.24) (  -0.42, -73.44)  204.92                80
 03/08/2021   18:38:42   (   0.01, -75.25) (  -0.74, -78.75)  397.88                80
 03/09/2021   18:22:36   (   0.00, -75.26) (   0.23, -74.20)  120.26                80
 03/11/2021   06:44:24   (   0.00, -75.29) (   0.96, -79.47)  477.10                80
 03/12/2021   06:22:59   (   0.00, -75.30) (  -0.07, -74.94)   41.04                80
 03/14/2021   18:26:10   (  -0.00, -75.35) (  -0.11, -75.71)   41.90                80