Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2019   08:36:29   (   0.01,-104.44) (   0.80,-108.09)  416.26                80
 06/05/2019   08:20:24   (   0.02,-104.44) (  -0.20,-103.56)  100.93                80
 06/06/2019   20:39:42   (   0.01,-104.57) (  -0.96,-108.87)  490.01                80
 06/07/2019   20:20:57   (  -0.01,-104.57) (   0.03,-104.34)   26.61                80
 06/10/2019   08:24:01   (  -0.00,-104.45) (   0.16,-105.07)   71.42                80
 06/11/2019   08:07:56   (   0.01,-104.46) (  -0.84,-100.54)  445.98                80
 06/12/2019   20:27:15   (   0.02,-104.60) (  -0.26,-105.86)  144.11                80
 06/13/2019   20:11:10   (   0.00,-104.60) (   0.74,-101.33)  372.75                80
 06/15/2019   08:30:19   (  -0.04,-104.47) (   0.46,-106.60)  242.88                80
 06/16/2019   08:14:14   (  -0.02,-104.48) (  -0.54,-102.06)  274.47                80