Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 7 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2020   10:13:49   (   0.03,-128.21) (   0.83,-131.76)  405.44                80
 07/04/2020   09:52:26   (   0.02,-128.23) (  -0.21,-127.24)  112.59                80
 07/05/2020   22:14:23   (  -0.02,-128.20) (  -0.98,-132.55)  495.14                80
 07/06/2020   21:58:19   (  -0.02,-128.22) (   0.01,-128.01)   23.22                80
 07/09/2020   10:01:25   (   0.02,-128.33) (   0.09,-128.77)   49.80                80
 07/10/2020   09:40:00   (   0.02,-128.34) (  -0.89,-124.23)  468.25                80
 07/11/2020   22:01:58   (  -0.02,-128.31) (  -0.29,-129.54)  139.90                80
 07/12/2020   21:45:53   (  -0.02,-128.33) (   0.69,-125.00)  378.16                80
 07/14/2020   10:07:42   (   0.02,-128.41) (   0.45,-130.28)  213.30                80
 07/15/2020   09:46:19   (   0.02,-128.43) (  -0.59,-125.76)  304.07                80