Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2021   18:36:27   (   0.06, -75.19) (  -0.45, -77.35)  247.22                80
 10/14/2021   18:15:03   (   0.07, -75.19) (   0.57, -72.82)  269.36                80
 10/16/2021   06:39:31   (  -0.06, -75.20) (   0.59, -78.09)  329.88                80
 10/17/2021   06:18:07   (  -0.07, -75.21) (  -0.42, -73.56)  187.21                80
 10/18/2021   18:42:43   (   0.06, -75.22) (  -0.77, -78.86)  415.45                80
 10/19/2021   18:21:18   (   0.06, -75.23) (   0.24, -74.33)  102.31                80
 10/21/2021   06:45:47   (  -0.05, -75.25) (   0.92, -79.60)  495.12                80
 10/22/2021   06:24:22   (  -0.05, -75.27) (  -0.10, -75.07)   22.77                80
 10/24/2021   18:30:14   (   0.04, -75.30) (  -0.06, -75.84)   60.83                80
 10/25/2021   18:08:50   (   0.05, -75.32) (   0.96, -71.31)  457.38                80