Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 1 18.  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)
 01/30/2020   14:04:20   ( -79.61, 113.32) 01/30/2020   14:05:30  ( -79.62, 113.37)    2.03                70
 01/30/2020   14:55:20   (  79.63, -79.22) 01/30/2020   14:56:15  (  79.62, -79.32)    2.03                55
 01/30/2020   15:46:20   ( -79.62,  88.01) 01/30/2020   15:47:00  ( -79.62,  87.96)    1.19                40
 01/30/2020   16:37:20   (  79.62,-104.82) 01/30/2020   16:37:44  (  79.63,-104.74)    1.89                24
 01/30/2020   17:28:20   ( -79.62,  62.43) 01/30/2020   17:28:29  ( -79.63,  62.54)    2.75                 9
 01/30/2020   18:19:20   (  79.64,-130.12) 01/30/2020   18:19:14  (  79.63,-130.16)    0.86                 6
 01/30/2020   19:10:20   ( -79.63,  37.13) 01/30/2020   19:09:59  ( -79.64,  37.12)    0.20                21
 01/30/2020   20:01:21   (  79.63,-155.72) 01/30/2020   20:00:44  (  79.64,-155.58)    3.02                37
 01/30/2020   20:52:20   ( -79.65,  11.83) 01/30/2020   20:51:29  ( -79.64,  11.70)    2.93                51
 01/30/2020   21:43:21   (  79.64, 178.98) 01/30/2020   21:42:14  (  79.64, 179.00)    0.56                67