Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2021   18:33:14   (   0.10, -75.22) (  -0.35, -77.34)  241.67                80
 07/26/2021   18:17:10   (   0.09, -75.23) (   0.63, -72.81)  275.77                80
 07/28/2021   06:38:59   (  -0.11, -75.24) (   0.52, -78.08)  323.40                80
 07/29/2021   06:17:34   (  -0.10, -75.26) (  -0.47, -73.55)  194.35                80
 07/30/2021   18:39:33   (   0.11, -75.28) (  -0.67, -78.87)  408.17                80
 07/31/2021   18:23:28   (   0.11, -75.30) (   0.32, -74.33)  110.07                80
 08/02/2021   06:45:18   (  -0.12, -75.33) (   0.83, -79.61)  487.71                80
 08/03/2021   06:23:53   (  -0.12, -75.35) (  -0.15, -75.07)   30.56                80
 08/05/2021   18:27:07   (   0.13, -75.39) (   0.01, -75.86)   53.39                80
 08/06/2021   18:11:03   (   0.13, -75.42) (   1.05, -71.33)  465.30                80