Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 5 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)
 05/21/2020   19:59:50   (  79.37,-153.31) 05/21/2020   20:01:02  (  79.34,-153.36)    3.20                72
 05/21/2020   20:50:47   ( -79.35,  13.76) 05/21/2020   20:51:47  ( -79.35,  13.87)    2.29                60
 05/21/2020   21:41:51   (  79.36,-178.92) 05/21/2020   21:42:33  (  79.38,-179.03)    3.37                42
 05/21/2020   22:32:47   ( -79.37, -11.57) 05/21/2020   22:33:17  ( -79.36, -11.53)    1.38                30
 05/21/2020   23:23:51   (  79.37, 155.75) 05/21/2020   23:24:02  (  79.35, 155.83)    3.32                11
 05/22/2020   00:14:46   ( -79.38, -36.90) 05/22/2020   00:14:46  ( -79.36, -36.94)    2.93                 0
 05/22/2020   01:05:51   (  79.36, 130.14) 05/22/2020   01:05:32  (  79.39, 130.16)    2.62                19
 05/22/2020   01:56:47   ( -79.37, -62.50) 05/22/2020   01:56:17  ( -79.40, -62.61)    3.38                30
 05/22/2020   02:47:51   (  79.38, 104.81) 05/22/2020   02:47:02  (  79.39, 104.75)    1.53                49
 05/22/2020   03:38:47   ( -79.39, -87.83) 05/22/2020   03:37:46  ( -79.37, -87.75)    3.24                61