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

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2019   08:17:30   (   0.02,-104.27) (  -0.16,-103.52)   86.80                80
 12/16/2019   20:20:40   (  -0.01,-104.04) (  -0.04,-104.28)   26.79                80
 12/17/2019   20:04:35   (  -0.02,-104.04) (   0.96, -99.74)  490.50                80
 12/19/2019   08:26:22   (   0.00,-104.28) (   0.17,-105.02)   84.37                80
 12/20/2019   08:04:56   (   0.01,-104.28) (  -0.83,-100.48)  431.87                80
 12/21/2019   20:26:52   (   0.00,-104.03) (  -0.37,-105.78)  199.20                80
 12/22/2019   20:10:46   (  -0.00,-104.04) (   0.64,-101.25)  318.13                80
 12/24/2019   08:32:34   (  -0.01,-104.29) (   0.50,-106.52)  254.76                80
 12/25/2019   08:11:08   (   0.00,-104.29) (  -0.50,-101.99)  261.60                80
 12/26/2019   20:33:02   (   0.01,-104.03) (  -0.74,-107.28)  371.02                80
 12/27/2019   20:16:57   (  -0.00,-104.03) (   0.26,-102.74)  146.25                80