Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2021   06:44:20   (  -0.03, -75.23) (   0.90, -79.46)  482.03                80
 03/28/2021   06:22:54   (  -0.03, -75.23) (  -0.08, -74.92)   35.28                80
 03/30/2021   18:26:05   (   0.03, -75.25) (  -0.09, -75.69)   50.64                80
 03/31/2021   18:10:00   (   0.04, -75.26) (   0.95, -71.16)  467.21                80
 04/02/2021   06:31:48   (  -0.03, -75.29) (   0.21, -76.43)  130.28                80
 04/03/2021   06:10:22   (  -0.03, -75.30) (  -0.77, -71.89)  387.44                80
 04/04/2021   18:32:19   (   0.02, -75.31) (  -0.38, -77.20)  215.46                80
 04/05/2021   18:16:13   (   0.02, -75.32) (   0.60, -72.66)  302.97                80
 04/07/2021   06:38:00   (  -0.01, -75.36) (   0.56, -77.93)  292.79                80
 04/08/2021   06:16:35   (  -0.01, -75.38) (  -0.43, -73.39)  225.95                80