Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 9 21.  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)
 09/25/2020   12:42:34   ( -79.03, 138.20) 09/25/2020   12:43:44  ( -79.04, 138.22)    1.88                70
 09/25/2020   13:33:38   (  79.04, -54.46) 09/25/2020   13:34:29  (  79.04, -54.43)    0.80                51
 09/25/2020   14:24:34   ( -79.04, 112.84) 09/25/2020   14:25:14  ( -79.05, 112.82)    0.44                40
 09/25/2020   15:15:38   (  79.06, -79.83) 09/25/2020   15:15:59  (  79.04, -79.82)    1.81                21
 09/25/2020   16:06:34   ( -79.06,  87.47) 09/25/2020   16:06:44  ( -79.05,  87.43)    1.52                10
 09/25/2020   16:57:38   (  79.07,-105.19) 09/25/2020   16:57:29  (  79.04,-105.22)    3.33                 9
 09/25/2020   17:48:34   ( -79.08,  62.11) 09/25/2020   17:48:14  ( -79.05,  62.03)    3.15                20
 09/25/2020   18:39:39   (  79.06,-130.82) 09/25/2020   18:39:00  (  79.08,-130.86)    2.89                39
 09/25/2020   19:30:35   ( -79.06,  36.48) 09/25/2020   19:29:44  ( -79.05,  36.64)    3.32                51
 09/25/2020   20:21:39   (  79.07,-156.18) 09/25/2020   20:20:30  (  79.08,-156.26)    1.98                69