Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 8 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)
 08/29/2019   19:48:09   (  79.88,-155.77) 08/29/2019   19:49:23  (  79.91,-155.29)   10.13                74
 08/29/2019   20:39:03   ( -79.92,  11.96) 08/29/2019   20:40:08  ( -79.92,  12.00)    0.83                65
 08/29/2019   21:30:08   (  79.92, 179.27) 08/29/2019   21:30:53  (  79.92, 179.31)    1.00                45
 08/29/2019   22:21:03   ( -79.94, -13.31) 08/29/2019   22:21:38  ( -79.92, -13.40)    2.63                35
 08/29/2019   23:12:08   (  79.94, 154.01) 08/29/2019   23:12:23  (  79.92, 153.90)    3.26                15
 08/30/2019   00:03:04   ( -79.93, -38.87) 08/30/2019   00:03:08  ( -79.92, -38.80)    1.64                 4
 08/30/2019   00:54:09   (  79.94, 128.44) 08/30/2019   00:53:53  (  79.92, 128.50)    1.99                16
 08/30/2019   01:45:04   ( -79.95, -64.14) 08/30/2019   01:44:38  ( -79.93, -64.21)    3.01                26
 08/30/2019   02:36:10   (  79.93, 102.87) 08/30/2019   02:35:24  (  79.96, 102.80)    2.94                46
 08/30/2019   03:27:04   ( -79.94, -89.71) 08/30/2019   03:26:07  ( -79.93, -89.61)    2.59                57