Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2021   18:17:10   (   0.09, -75.20) (   0.65, -72.81)  273.22                80
 07/28/2021   06:36:18   (  -0.10, -75.20) (   0.55, -78.08)  328.04                80
 07/29/2021   06:20:15   (  -0.10, -75.20) (  -0.49, -73.55)  188.37                80
 07/30/2021   18:39:32   (   0.11, -75.21) (  -0.70, -78.86)  416.18                80
 07/31/2021   18:23:28   (   0.11, -75.21) (   0.28, -74.32)  100.72                80
 08/02/2021   06:42:37   (  -0.12, -75.22) (   0.86, -79.60)  499.23                80
 08/03/2021   06:26:33   (  -0.12, -75.23) (  -0.18, -75.08)   17.85                80
 08/05/2021   18:27:06   (   0.13, -75.24) (  -0.02, -75.85)   69.58                80
 08/06/2021   18:11:03   (   0.13, -75.25) (   1.02, -71.33)  447.74                80
 08/08/2021   06:30:11   (  -0.14, -75.27) (   0.18, -76.59)  151.26                80