Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/31/2021   18:23:28   (   0.10, -75.22) (   0.29, -74.32)  102.04                80
 08/02/2021   06:45:17   (  -0.11, -75.23) (   0.85, -79.60)  498.48                80
 08/03/2021   06:23:52   (  -0.11, -75.23) (  -0.13, -75.07)   18.58                80
 08/05/2021   18:27:06   (   0.12, -75.26) (  -0.01, -75.85)   67.17                80
 08/06/2021   18:11:03   (   0.12, -75.27) (   1.03, -71.33)  450.32                80
 08/08/2021   06:32:51   (  -0.13, -75.29) (   0.16, -76.59)  149.23                80
 08/09/2021   06:14:08   (  -0.13, -75.30) (  -0.88, -72.07)  368.46                80
 08/10/2021   18:33:25   (   0.14, -75.33) (  -0.31, -77.38)  233.61                80
 08/11/2021   18:17:20   (   0.13, -75.34) (   0.68, -72.84)  284.70                80
 08/13/2021   06:39:10   (  -0.14, -75.37) (   0.45, -78.12)  313.34                80