Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2020   06:38:07   (   0.00, -75.20) (   0.60, -77.88)  305.92                80
 06/24/2020   06:16:43   (   0.00, -75.20) (  -0.44, -73.36)  210.90                80
 06/25/2020   18:38:38   (  -0.01, -75.21) (  -0.77, -78.65)  391.97                80
 06/26/2020   18:22:33   (  -0.01, -75.22) (   0.21, -74.11)  125.45                80
 06/28/2020   06:44:20   (   0.02, -75.23) (   0.96, -79.38)  473.57                80
 06/29/2020   06:22:55   (   0.01, -75.23) (  -0.08, -74.85)   43.92                80
 07/01/2020   18:26:06   (   0.00, -75.26) (  -0.09, -75.62)   40.66                80
 07/02/2020   18:10:02   (   0.01, -75.28) (   0.96, -71.09)  477.18                80
 07/04/2020   06:31:49   (  -0.01, -75.29) (   0.22, -76.36)  120.96                80
 07/05/2020   06:10:24   (  -0.01, -75.31) (  -0.76, -71.82)  397.26                80