Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 4 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)
 04/23/2020   18:43:53   (  79.42,-134.93) 04/23/2020   18:45:00  (  79.44,-135.08)    3.24                67
 04/23/2020   19:34:50   ( -79.42,  32.32) 04/23/2020   19:35:44  ( -79.41,  32.44)    2.91                54
 04/23/2020   20:25:54   (  79.41,-160.53) 04/23/2020   20:26:30  (  79.44,-160.48)    2.98                36
 04/23/2020   21:16:50   ( -79.44,   6.99) 04/23/2020   21:17:14  ( -79.41,   7.04)    3.22                24
 04/23/2020   22:07:54   (  79.43, 174.15) 04/23/2020   22:08:00  (  79.44, 174.12)    1.26                 6
 04/23/2020   22:58:51   ( -79.43, -18.61) 04/23/2020   22:58:45  ( -79.45, -18.63)    2.22                 6
 04/23/2020   23:49:54   (  79.45, 148.83) 04/23/2020   23:49:30  (  79.45, 148.72)    2.42                24
 04/24/2020   00:40:51   ( -79.45, -43.93) 04/24/2020   00:40:15  ( -79.45, -44.03)    2.08                36
 04/24/2020   01:31:55   (  79.44, 123.23) 04/24/2020   01:31:00  (  79.45, 123.31)    1.93                55
 04/24/2020   02:22:52   ( -79.44, -69.54) 04/24/2020   02:21:45  ( -79.46, -69.43)    2.95                67