Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2019   20:42:13   (  -0.05,-104.49) (  -1.04,-108.83)  495.02                80
 05/22/2019   20:20:48   (  -0.07,-104.49) (  -0.05,-104.30)   21.56                80
 05/25/2019   08:23:53   (   0.06,-104.41) (   0.19,-105.05)   72.26                80
 05/26/2019   08:07:49   (   0.07,-104.42) (  -0.80,-100.51)  445.11                80
 05/27/2019   20:29:46   (  -0.05,-104.52) (  -0.37,-105.82)  148.96                80
 05/28/2019   20:08:22   (  -0.07,-104.52) (   0.63,-101.29)  367.83                80
 05/30/2019   08:30:11   (   0.04,-104.43) (   0.51,-106.57)  243.61                80
 05/31/2019   08:14:06   (   0.05,-104.44) (  -0.49,-102.04)  273.76                80
 06/01/2019   20:33:24   (  -0.02,-104.55) (  -0.67,-107.35)  319.22                80
 06/02/2019   20:14:39   (  -0.04,-104.55) (   0.33,-102.81)  197.36                80