Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 6 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)
 06/21/2019   05:20:29   ( -80.06,-119.32) 06/21/2019   05:20:08  ( -80.03,-119.23)    3.39                21
 06/21/2019   06:11:24   (  80.05,  47.85) 06/21/2019   06:10:54  (  80.05,  47.91)    1.04                30
 06/21/2019   07:02:30   ( -80.06,-144.88) 06/21/2019   07:01:39  ( -80.06,-144.93)    1.35                51
 06/21/2019   07:53:24   (  80.07,  22.62) 06/21/2019   07:52:24  (  80.05,  22.51)    2.93                60
 07/04/2019   23:11:05   ( -80.01, -27.08) 07/04/2019   23:12:17  ( -80.03, -27.19)    2.76                72
 07/05/2019   00:02:00   (  80.02, 140.25) 07/05/2019   00:03:02  (  80.02, 140.18)    1.48                62
 07/05/2019   00:53:06   ( -80.01, -52.64) 07/05/2019   00:53:47  ( -80.03, -52.59)    2.65                41
 07/05/2019   01:44:01   (  80.01, 114.69) 07/05/2019   01:44:32  (  80.02, 114.78)    2.25                31
 07/05/2019   02:35:06   ( -80.03, -77.88) 07/05/2019   02:35:17  ( -80.03, -77.99)    2.07                11
 07/05/2019   03:26:01   (  80.03,  89.45) 07/05/2019   03:26:02  (  80.03,  89.38)    1.35                 1