Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2019   20:20:40   (  -0.01,-104.04) (  -0.03,-104.28)   26.47                80
 12/17/2019   20:04:35   (  -0.02,-104.05) (   0.97, -99.74)  490.99                80
 12/19/2019   08:26:22   (   0.00,-104.28) (   0.17,-105.02)   84.08                80
 12/20/2019   08:04:57   (   0.01,-104.28) (  -0.83,-100.48)  432.26                80
 12/21/2019   20:26:52   (   0.00,-104.04) (  -0.36,-105.78)  198.30                80
 12/22/2019   20:10:46   (  -0.00,-104.04) (   0.64,-101.25)  319.14                80
 12/24/2019   08:32:34   (  -0.01,-104.30) (   0.49,-106.53)  253.93                80
 12/25/2019   08:11:08   (   0.00,-104.29) (  -0.51,-101.99)  262.52                80
 12/26/2019   20:33:02   (   0.01,-104.04) (  -0.73,-107.28)  369.58                80
 12/27/2019   20:16:57   (  -0.00,-104.04) (   0.27,-102.74)  147.77                80
 12/29/2019   08:38:45   (  -0.01,-104.31) (   0.81,-108.03)  423.68                80