Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2019   08:14:07   (   0.05,-104.43) (  -0.50,-102.04)  272.78                80
 06/01/2019   20:34:11   (  -0.02,-104.55) (  -0.67,-107.35)  319.09                33
 06/02/2019   20:14:39   (  -0.04,-104.55) (   0.33,-102.81)  197.46                80
 06/04/2019   08:36:29   (   0.01,-104.43) (   0.80,-108.09)  417.00                80
 06/05/2019   08:20:24   (   0.02,-104.43) (  -0.19,-103.56)   99.95                80
 06/06/2019   20:39:42   (   0.01,-104.56) (  -0.97,-108.87)  491.31                80
 06/07/2019   20:20:57   (  -0.01,-104.56) (   0.03,-104.34)   25.10                80
 06/10/2019   08:24:01   (  -0.00,-104.43) (   0.17,-105.07)   73.53                80
 06/11/2019   08:07:56   (   0.01,-104.44) (  -0.83,-100.54)  443.64                80
 06/12/2019   20:27:15   (   0.02,-104.57) (  -0.26,-105.86)  146.77                80