Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2021   18:08:47   (   0.07, -75.20) (   0.91, -71.32)  442.38                80
 10/11/2021   06:33:15   (  -0.06, -75.21) (   0.26, -76.59)  157.76                80
 10/12/2021   06:11:51   (  -0.07, -75.21) (  -0.75, -72.06)  358.71                80
 10/13/2021   18:36:27   (   0.06, -75.21) (  -0.45, -77.35)  244.81                80
 10/14/2021   18:15:04   (   0.07, -75.22) (   0.63, -72.84)  272.20                80
 10/16/2021   06:39:31   (  -0.06, -75.23) (   0.60, -78.09)  326.52                80
 10/17/2021   06:18:07   (  -0.07, -75.24) (  -0.42, -73.56)  191.05                80
 10/18/2021   18:42:43   (   0.06, -75.26) (  -0.78, -78.86)  410.67                80
 10/19/2021   18:21:19   (   0.06, -75.28) (   0.30, -74.34)  107.54                80
 10/21/2021   06:45:47   (  -0.05, -75.31) (   0.93, -79.60)  489.44                80
 10/22/2021   06:24:22   (  -0.05, -75.33) (  -0.09, -75.07)   29.02                80