Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 1 27.  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   14:55:20   (  79.62, -79.27) 01/30/2020   14:56:25  (  79.60, -79.20)    2.68                65
 01/30/2020   15:46:20   ( -79.62,  87.93) 01/30/2020   15:47:10  ( -79.61,  88.03)    2.09                50
 01/30/2020   16:37:21   (  79.61,-104.86) 01/30/2020   16:37:56  (  79.63,-104.87)    2.54                35
 01/30/2020   17:28:20   ( -79.63,  62.63) 01/30/2020   17:28:40  ( -79.61,  62.64)    2.43                20
 01/30/2020   18:19:21   (  79.63,-130.17) 01/30/2020   18:19:26  (  79.64,-130.26)    2.07                 5
 01/30/2020   19:10:21   ( -79.63,  37.04) 01/30/2020   19:10:11  ( -79.65,  36.97)    2.74                10
 01/30/2020   20:01:22   (  79.62,-155.76) 01/30/2020   20:00:56  (  79.64,-155.66)    2.87                26
 01/30/2020   20:52:21   ( -79.64,  11.74) 01/30/2020   20:51:41  ( -79.65,  11.57)    3.39                40
 01/30/2020   21:43:22   (  79.64, 178.93) 01/30/2020   21:42:26  (  79.64, 178.95)    0.32                56
 01/30/2020   22:34:22   ( -79.64, -13.85) 01/30/2020   22:33:11  ( -79.65, -13.82)    1.71                71