Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 1 16.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2020   21:05:13   (  79.66,-171.84) 01/16/2020   21:04:24  (  79.68,-171.88)    2.15                49
 01/16/2020   21:56:09   ( -79.68,  -4.40) 01/16/2020   21:55:08  ( -79.66,  -4.37)    2.33                61
 01/30/2020   14:04:19   ( -79.62, 113.45) 01/30/2020   14:05:29  ( -79.60, 113.55)    2.90                70
 01/30/2020   14:55:20   (  79.61, -79.39) 01/30/2020   14:56:15  (  79.63, -79.43)    2.74                55
 01/30/2020   15:46:20   ( -79.61,  87.86) 01/30/2020   15:47:00  ( -79.64,  87.85)    3.06                40
 01/30/2020   16:37:20   (  79.63,-104.69) 01/30/2020   16:37:45  (  79.64,-104.85)    3.36                25
 01/30/2020   17:28:20   ( -79.63,  62.56) 01/30/2020   17:28:30  ( -79.64,  62.44)    2.89                10
 01/30/2020   18:19:21   (  79.62,-130.29) 01/30/2020   18:19:15  (  79.64,-130.27)    2.76                 6
 01/30/2020   19:10:21   ( -79.62,  36.97) 01/30/2020   19:10:00  ( -79.65,  37.02)    3.22                21