Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2019   20:17:07   (  -0.02,-104.05) (   0.24,-102.76)  146.34                80
 12/13/2019   08:38:56   (   0.01,-104.28) (   0.84,-108.05)  429.20                80
 12/14/2019   08:17:30   (   0.02,-104.27) (  -0.16,-103.52)   86.77                80
 12/16/2019   20:20:40   (  -0.01,-104.03) (  -0.04,-104.28)   27.47                80
 12/17/2019   20:04:35   (  -0.02,-104.04) (   0.96, -99.74)  489.74                80
 12/19/2019   08:26:22   (   0.00,-104.28) (   0.17,-105.02)   84.98                80
 12/20/2019   08:04:56   (   0.01,-104.27) (  -0.83,-100.48)  431.15                80
 12/21/2019   20:26:52   (   0.01,-104.02) (  -0.37,-105.78)  200.41                80
 12/22/2019   20:10:46   (  -0.00,-104.02) (   0.64,-101.25)  316.81                80
 12/24/2019   08:32:34   (  -0.01,-104.28) (   0.50,-106.52)  255.94                80
 12/25/2019   08:11:08   (   0.00,-104.27) (  -0.50,-101.99)  260.31                80