Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2020   22:11:24   (   0.13,-128.42) (  -0.47,-131.14)  309.07                80
 10/05/2020   21:49:58   (   0.13,-128.42) (   0.51,-126.60)  207.21                80
 10/07/2020   10:11:45   (  -0.13,-128.44) (   0.66,-131.87)  391.20                80
 10/08/2020   09:55:41   (  -0.13,-128.44) (  -0.38,-127.35)  124.76                80
 10/09/2020   22:17:36   (   0.13,-128.41) (  -0.82,-132.65)  483.09                80
 10/10/2020   21:56:12   (   0.14,-128.40) (   0.23,-128.13)   32.32                80
 10/13/2020   09:59:14   (  -0.14,-128.40) (  -0.04,-128.86)   52.42                80
 10/14/2020   09:43:08   (  -0.15,-128.39) (  -1.03,-124.32)  462.80                80
 10/15/2020   22:05:03   (   0.14,-128.35) (  -0.17,-129.63)  145.74                80
 10/16/2020   21:43:39   (   0.14,-128.34) (   0.88,-125.10)  369.05                80
 10/18/2020   10:05:26   (  -0.14,-128.33) (   0.29,-130.37)  231.90                80