Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/30/2021   18:26:06   (   0.04, -75.23) (  -0.04, -75.70)   53.60                80
 03/31/2021   18:10:00   (   0.04, -75.23) (   0.94, -71.16)  463.52                80
 04/02/2021   06:31:48   (  -0.04, -75.24) (   0.22, -76.43)  135.48                80
 04/03/2021   06:10:22   (  -0.04, -75.24) (  -0.76, -71.89)  381.53                80
 04/04/2021   18:32:18   (   0.03, -75.25) (  -0.40, -77.20)  221.99                80
 04/05/2021   18:16:13   (   0.03, -75.26) (   0.59, -72.66)  295.73                80
 04/07/2021   06:38:00   (  -0.02, -75.28) (   0.57, -77.93)  301.54                80
 04/08/2021   06:16:35   (  -0.02, -75.30) (  -0.42, -73.39)  216.50                80
 04/09/2021   18:38:31   (   0.01, -75.31) (  -0.74, -78.70)  385.79                80
 04/10/2021   18:22:26   (   0.02, -75.33) (   0.25, -74.16)  132.98                80