Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 7 5.  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)
 07/17/2017   05:19:00   ( -80.81,-129.83) 07/17/2017   05:20:12  ( -80.82,-129.84)    1.65                72
 07/17/2017   06:10:05   (  80.82,  37.70) 07/17/2017   06:10:56  (  80.81,  37.74)    1.21                51
 07/17/2017   07:01:01   ( -80.81,-155.13) 07/17/2017   07:01:42  ( -80.82,-155.26)    2.56                41
 07/17/2017   07:52:06   (  80.82,  12.40) 07/17/2017   07:52:26  (  80.81,  12.33)    1.75                20
 07/17/2017   08:43:02   ( -80.82, 179.57) 07/17/2017   08:43:11  ( -80.81, 179.68)    2.38                 9
 07/17/2017   09:34:08   (  80.82, -13.27) 07/17/2017   09:33:56  (  80.81, -13.09)    3.32                12
 07/17/2017   10:25:03   ( -80.82, 154.26) 07/17/2017   10:24:41  ( -80.81, 154.27)    1.60                22
 07/17/2017   11:16:09   (  80.82, -38.58) 07/17/2017   11:15:26  (  80.81, -38.50)    1.55                43
 07/17/2017   12:07:05   ( -80.82, 128.60) 07/17/2017   12:06:12  ( -80.83, 128.50)    2.09                53