Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/21/2020   18:38:48   (  -0.03, -75.17) (  -0.83, -78.74)  406.66                80
 03/22/2020   18:22:43   (  -0.03, -75.17) (   0.18, -74.21)  109.09                80
 03/24/2020   06:44:32   (   0.03, -75.15) (   0.97, -79.48)  493.56                80
 03/25/2020   06:23:07   (   0.03, -75.15) (  -0.04, -74.95)   22.64                80
 03/27/2020   18:26:19   (  -0.03, -75.16) (  -0.15, -75.72)   64.45                80
 03/28/2020   18:10:15   (  -0.02, -75.16) (   0.86, -71.19)  451.96                80
 03/30/2020   06:32:03   (   0.02, -75.15) (   0.29, -76.47)  150.03                80
 03/31/2020   06:10:38   (   0.02, -75.15) (  -0.72, -71.94)  366.45                80
 04/01/2020   18:32:35   (  -0.01, -75.16) (  -0.48, -77.24)  236.60                80
 04/02/2020   18:16:30   (  -0.02, -75.17) (   0.54, -72.71)  280.21                80
 04/04/2020   06:38:19   (   0.01, -75.16) (   0.62, -77.98)  320.90                80