Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 4 23.  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   18:43:53   (  79.42,-135.00) 04/23/2020   18:45:00  (  79.44,-135.11)    3.34                67
 04/23/2020   19:34:50   ( -79.41,  32.20) 04/23/2020   19:35:44  ( -79.42,  32.36)    3.36                54
 04/23/2020   20:25:53   (  79.43,-160.32) 04/23/2020   20:26:29  (  79.41,-160.25)    3.34                36
 04/23/2020   21:16:50   ( -79.43,   6.88) 04/23/2020   21:17:14  ( -79.42,   6.96)    1.84                24
 04/23/2020   22:07:54   (  79.42, 174.08) 04/23/2020   22:08:00  (  79.45, 174.08)    2.31                 6
 04/23/2020   22:58:50   ( -79.45, -18.44) 04/23/2020   22:58:44  ( -79.42, -18.44)    2.47                 6
 04/23/2020   23:49:54   (  79.44, 148.76) 04/23/2020   23:49:30  (  79.45, 148.68)    1.66                24
 04/24/2020   00:40:51   ( -79.44, -44.05) 04/24/2020   00:40:15  ( -79.46, -44.11)    3.06                36
 04/24/2020   01:31:55   (  79.43, 123.16) 04/24/2020   01:31:00  (  79.45, 123.28)    3.28                55
 04/24/2020   02:22:51   ( -79.45, -69.37) 04/24/2020   02:21:45  ( -79.46, -69.51)    3.10                66