Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2021   06:32:28   (  -0.07, -75.15) (   0.24, -76.52)  155.94                80
 07/08/2021   06:13:45   (  -0.06, -75.18) (  -0.80, -72.00)  362.84                80
 07/09/2021   18:33:02   (   0.07, -75.23) (  -0.40, -77.30)  236.11                80
 07/10/2021   18:16:58   (   0.07, -75.26) (   0.64, -72.78)  283.11                80
 07/12/2021   06:38:48   (  -0.08, -75.29) (   0.52, -78.06)  315.16                80
 07/13/2021   06:20:03   (  -0.08, -75.32) (  -0.46, -73.52)  204.27                80
 07/14/2021   18:39:22   (   0.09, -75.38) (  -0.68, -78.84)  394.01                80
 07/15/2021   18:23:17   (   0.08, -75.41) (   0.30, -74.30)  126.02                80
 07/17/2021   06:45:07   (  -0.10, -75.45) (   0.80, -79.59)  470.88                80
 07/18/2021   06:23:43   (  -0.09, -75.49) (  -0.18, -75.05)   49.08                80