Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2021   18:10:00   (   0.04, -75.21) (   0.95, -71.16)  461.91                80
 04/02/2021   06:31:48   (  -0.04, -75.21) (   0.21, -76.43)  139.01                80
 04/03/2021   06:10:22   (  -0.04, -75.20) (  -0.77, -71.89)  377.17                80
 04/04/2021   18:32:19   (   0.03, -75.20) (  -0.39, -77.20)  227.10                80
 04/05/2021   18:16:13   (   0.03, -75.20) (   0.60, -72.66)  289.77                80
 04/07/2021   06:38:00   (  -0.02, -75.21) (   0.56, -77.93)  309.41                80
 04/08/2021   06:16:35   (  -0.02, -75.21) (  -0.43, -73.39)  207.78                80
 04/09/2021   18:38:30   (   0.01, -75.22) (  -0.79, -78.69)  395.23                80
 04/10/2021   18:22:26   (   0.02, -75.24) (   0.26, -74.16)  122.67                80
 04/12/2021   06:44:13   (  -0.01, -75.26) (   0.89, -79.43)  474.69                80
 04/13/2021   06:22:48   (  -0.02, -75.27) (  -0.10, -74.89)   43.25                80