Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2019   20:26:52   (   0.00,-104.05) (  -0.37,-105.78)  197.50                80
 12/22/2019   20:10:46   (  -0.01,-104.05) (   0.64,-101.25)  319.98                80
 12/24/2019   08:32:34   (  -0.01,-104.30) (   0.50,-106.52)  253.72                80
 12/25/2019   08:11:08   (   0.01,-104.29) (  -0.51,-101.99)  262.82                80
 12/26/2019   20:33:02   (   0.01,-104.05) (  -0.74,-107.27)  368.41                80
 12/27/2019   20:16:57   (  -0.00,-104.05) (   0.26,-102.74)  149.03                80
 12/29/2019   08:38:45   (  -0.01,-104.31) (   0.81,-108.03)  423.11                80
 12/30/2019   08:17:20   (  -0.00,-104.31) (  -0.19,-103.49)   93.73                80
 01/01/2020   20:20:29   (   0.01,-104.07) (  -0.04,-104.25)   20.57                80
 01/02/2020   20:04:23   (   0.00,-104.08) (   0.97, -99.71)  497.13                80