Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2020   08:17:12   (  -0.05,-104.37) (  -0.24,-103.48)  100.98                80
 12/18/2020   20:20:23   (   0.06,-104.10) (   0.03,-104.25)   16.96                80
 12/19/2020   20:04:19   (   0.05,-104.10) (   1.03, -99.72)  499.87                80
 12/21/2020   08:26:08   (  -0.07,-104.37) (   0.07,-105.01)   71.78                80
 12/22/2020   08:04:44   (  -0.06,-104.37) (  -0.94,-100.48)  444.50                80
 12/23/2020   20:26:40   (   0.07,-104.10) (  -0.28,-105.78)  189.99                80
 12/24/2020   20:10:36   (   0.06,-104.11) (   0.73,-101.25)  327.12                80
 12/26/2020   08:32:24   (  -0.07,-104.39) (   0.43,-106.52)  243.01                80
 12/27/2020   08:11:00   (  -0.06,-104.39) (  -0.58,-101.99)  273.38                80
 12/28/2020   20:32:56   (   0.07,-104.11) (  -0.63,-107.29)  362.37                80
 12/29/2020   20:16:51   (   0.06,-104.11) (   0.38,-102.76)  154.36                80