Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2021   18:10:51   (   0.08, -75.20) (   0.94, -71.28)  446.41                80
 07/23/2021   06:30:00   (  -0.09, -75.20) (   0.21, -76.56)  154.34                80
 07/24/2021   06:13:57   (  -0.09, -75.21) (  -0.83, -72.04)  362.39                80
 07/25/2021   18:33:14   (   0.10, -75.22) (  -0.36, -77.34)  241.44                80
 07/26/2021   18:17:10   (   0.10, -75.23) (   0.62, -72.80)  276.15                80
 07/28/2021   06:36:19   (  -0.11, -75.26) (   0.53, -78.08)  322.40                80
 07/29/2021   06:20:15   (  -0.10, -75.27) (  -0.51, -73.56)  195.53                80
 07/30/2021   18:39:33   (   0.12, -75.29) (  -0.69, -78.86)  407.11                80
 07/31/2021   18:23:29   (   0.11, -75.31) (   0.35, -74.34)  111.31                80
 08/02/2021   06:45:17   (  -0.13, -75.35) (   0.86, -79.61)  485.93                80
 08/03/2021   06:23:54   (  -0.12, -75.37) (  -0.18, -75.08)   32.42                80