Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 5 15.  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   (  79.35,-153.44) 05/21/2020   20:01:02  (  79.36,-153.47)    0.69                72
 05/21/2020   20:50:46   ( -79.37,  13.93) 05/21/2020   20:51:47  ( -79.36,  13.78)    3.10                61
 05/21/2020   21:41:50   (  79.37,-178.77) 05/21/2020   21:42:32  (  79.36,-178.88)    2.64                42
 05/21/2020   22:32:47   ( -79.35, -11.68) 05/21/2020   22:33:17  ( -79.37, -11.63)    1.80                30
 05/21/2020   23:23:51   (  79.36, 155.62) 05/21/2020   23:24:02  (  79.36, 155.72)    2.02                11
 05/22/2020   00:14:47   ( -79.37, -37.01) 05/22/2020   00:14:47  ( -79.37, -37.03)    0.54                 0
 05/22/2020   01:05:51   (  79.38, 130.29) 05/22/2020   01:05:32  (  79.37, 130.31)    1.43                19
 05/22/2020   01:56:47   ( -79.39, -62.33) 05/22/2020   01:56:17  ( -79.37, -62.43)    2.72                30
 05/22/2020   02:47:51   (  79.40, 104.96) 05/22/2020   02:47:02  (  79.37, 104.91)    3.10                49
 05/22/2020   03:38:48   ( -79.38, -87.94) 05/22/2020   03:37:47  ( -79.38, -87.84)    2.06                61