Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 4 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)
 04/23/2020   18:43:54   (  79.41,-135.09) 04/23/2020   18:45:00  (  79.42,-134.95)    3.10                66
 04/23/2020   19:34:50   ( -79.44,  32.45) 04/23/2020   19:35:45  ( -79.43,  32.31)    3.05                55
 04/23/2020   20:25:54   (  79.43,-160.41) 04/23/2020   20:26:30  (  79.42,-160.35)    1.20                36
 04/23/2020   21:16:51   ( -79.43,   6.85) 04/23/2020   21:17:15  ( -79.43,   6.91)    1.35                24
 04/23/2020   22:07:54   (  79.44, 174.27) 04/23/2020   22:08:00  (  79.43, 174.25)    2.17                 6
 04/23/2020   22:58:51   ( -79.44, -18.48) 04/23/2020   22:58:45  ( -79.43, -18.49)    1.27                 6
 04/23/2020   23:49:54   (  79.43, 148.67) 04/23/2020   23:49:29  (  79.43, 148.84)    3.53                25
 04/24/2020   00:40:50   ( -79.46, -43.80) 04/24/2020   00:40:14  ( -79.44, -43.89)    3.48                36
 04/24/2020   01:31:54   (  79.45, 123.35) 04/24/2020   01:30:59  (  79.43, 123.44)    2.88                55
 04/24/2020   02:22:51   ( -79.45, -69.40) 04/24/2020   02:21:44  ( -79.44, -69.30)    2.55                67