Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 5 17.  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   (  79.36,-153.35) 05/21/2020   20:01:02  (  79.35,-153.40)    2.35                72
 05/21/2020   20:50:47   ( -79.34,  13.74) 05/21/2020   20:51:47  ( -79.36,  13.84)    2.45                60
 05/21/2020   21:41:51   (  79.35,-178.95) 05/21/2020   21:42:32  (  79.35,-178.80)    3.11                41
 05/21/2020   22:32:47   ( -79.36, -11.59) 05/21/2020   22:33:17  ( -79.36, -11.56)    0.76                30
 05/21/2020   23:23:51   (  79.37, 155.71) 05/21/2020   23:24:02  (  79.35, 155.79)    2.50                11
 05/22/2020   00:14:47   ( -79.38, -36.92) 05/22/2020   00:14:47  ( -79.36, -36.97)    2.28                 0
 05/22/2020   01:05:51   (  79.39, 130.39) 05/22/2020   01:05:32  (  79.36, 130.39)    3.52                19
 05/22/2020   01:56:48   ( -79.37, -62.53) 05/22/2020   01:56:17  ( -79.37, -62.37)    3.20                31
 05/22/2020   02:47:52   (  79.38, 104.78) 05/22/2020   02:47:03  (  79.40, 104.72)    2.30                49
 05/22/2020   03:38:48   ( -79.39, -87.85) 05/22/2020   03:37:47  ( -79.37, -87.77)    2.59                61