Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2019   20:04:34   (  -0.02,-104.05) (   0.92, -99.73)  491.23                80
 12/19/2019   08:26:22   (   0.00,-104.28) (   0.16,-105.02)   84.00                80
 12/20/2019   08:04:57   (   0.01,-104.28) (  -0.84,-100.49)  432.41                80
 12/21/2019   20:26:51   (   0.00,-104.04) (  -0.41,-105.77)  197.80                80
 12/22/2019   20:10:46   (  -0.00,-104.05) (   0.59,-101.24)  319.71                80
 12/24/2019   08:32:34   (  -0.01,-104.30) (   0.48,-106.53)  253.54                80
 12/25/2019   08:11:08   (   0.00,-104.30) (  -0.52,-101.99)  262.98                80
 12/26/2019   20:33:03   (   0.01,-104.05) (  -0.73,-107.28)  368.77                80
 12/27/2019   20:16:57   (  -0.00,-104.05) (   0.28,-102.74)  148.64                80
 12/29/2019   08:38:45   (  -0.01,-104.32) (   0.80,-108.03)  422.99                80
 12/30/2019   08:17:20   (  -0.00,-104.32) (  -0.21,-103.50)   93.85                80