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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2021   06:33:15   (  -0.06, -75.19) (   0.26, -76.59)  159.04                80
 10/12/2021   06:11:51   (  -0.07, -75.19) (  -0.75, -72.05)  357.02                80
 10/13/2021   18:36:27   (   0.06, -75.19) (  -0.45, -77.35)  247.21                80
 10/14/2021   18:15:04   (   0.07, -75.19) (   0.62, -72.83)  269.40                80
 10/16/2021   06:39:31   (  -0.06, -75.20) (   0.60, -78.09)  329.87                80
 10/17/2021   06:18:07   (  -0.07, -75.21) (  -0.41, -73.56)  187.27                80
 10/18/2021   18:42:43   (   0.06, -75.22) (  -0.78, -78.86)  415.18                80
 10/19/2021   18:21:18   (   0.06, -75.23) (   0.24, -74.33)  102.64                80
 10/21/2021   06:45:47   (  -0.05, -75.26) (   0.93, -79.60)  494.87                80
 10/22/2021   06:24:22   (  -0.06, -75.27) (  -0.09, -75.07)   23.10                80