Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2020   18:26:40   (  -0.01, -75.18) (  -0.14, -75.71)   60.23                80
 10/22/2020   18:10:36   (  -0.01, -75.19) (   0.91, -71.19)  456.39                80
 10/24/2020   06:32:23   (   0.01, -75.18) (   0.26, -76.46)  144.69                80
 10/25/2020   06:10:58   (   0.01, -75.19) (  -0.73, -71.92)  372.38                80
 10/26/2020   18:32:53   (  -0.00, -75.21) (  -0.46, -77.22)  229.97                80
 10/27/2020   18:16:48   (  -0.00, -75.22) (   0.53, -72.69)  287.76                80
 10/29/2020   06:38:35   (   0.00, -75.23) (   0.63, -77.96)  311.41                80
 10/30/2020   06:17:10   (   0.00, -75.25) (  -0.42, -73.44)  206.62                80
 10/31/2020   18:39:06   (  -0.00, -75.28) (  -0.77, -78.74)  394.68                80
 11/01/2020   18:23:00   (  -0.00, -75.29) (   0.23, -74.21)  123.67                80