Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 5 13.  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   (  79.34,-153.56) 05/21/2020   20:01:02  (  79.37,-153.60)    3.45                72
 05/21/2020   20:50:46   ( -79.35,  13.82) 05/21/2020   20:51:46  ( -79.34,  13.93)    2.44                60
 05/21/2020   21:41:50   (  79.36,-178.89) 05/21/2020   21:42:32  (  79.38,-179.00)    2.91                42
 05/21/2020   22:32:46   ( -79.37, -11.51) 05/21/2020   22:33:16  ( -79.35, -11.48)    2.69                30
 05/21/2020   23:23:50   (  79.38, 155.78) 05/21/2020   23:24:02  (  79.38, 155.59)    3.85                12
 05/22/2020   00:14:47   ( -79.36, -37.11) 05/22/2020   00:14:47  ( -79.39, -37.15)    2.89                 0
 05/22/2020   01:05:51   (  79.37, 130.17) 05/22/2020   01:05:32  (  79.38, 130.19)    1.93                19
 05/22/2020   01:56:47   ( -79.38, -62.44) 05/22/2020   01:56:17  ( -79.39, -62.55)    2.49                30
 05/22/2020   02:47:51   (  79.38, 104.84) 05/22/2020   02:47:02  (  79.39, 104.78)    1.22                49
 05/22/2020   03:38:48   ( -79.37, -88.05) 05/22/2020   03:37:47  ( -79.39, -87.95)    3.46                61