Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 5 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)
 05/03/2020   21:56:04   (   0.12,-128.25) (   0.14,-128.11)   15.71                61
 05/06/2020   10:01:28   (  -0.11,-128.29) (   0.03,-128.85)   63.83                80
 05/07/2020   09:40:03   (  -0.13,-128.30) (  -1.00,-124.32)  452.87                80
 05/08/2020   22:04:40   (   0.10,-128.29) (  -0.18,-129.62)  151.24                80
 05/09/2020   21:43:15   (   0.12,-128.30) (   0.85,-125.09)  365.59                80
 05/11/2020   10:07:43   (  -0.09,-128.32) (   0.34,-130.36)  231.80                80
 05/12/2020   09:46:18   (  -0.10,-128.32) (  -0.69,-125.83)  284.44                80
 05/13/2020   22:10:53   (   0.07,-128.30) (  -0.55,-131.12)  320.84                80
 05/14/2020   21:49:29   (   0.09,-128.31) (   0.49,-126.59)  195.75                80
 05/16/2020   10:13:56   (  -0.06,-128.33) (   0.71,-131.86)  401.37                80