Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 12 2.  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)
 12/14/2017   16:06:45   (  80.72,-109.36) 12/14/2017   16:07:50  (  80.70,-109.41)    1.75                65
 12/14/2017   16:57:44   ( -80.71,  57.57) 12/14/2017   16:58:36  ( -80.72,  57.62)    1.88                52
 12/14/2017   17:48:47   (  80.71,-135.10) 12/14/2017   17:49:21  (  80.73,-135.17)    2.34                34
 12/14/2017   18:39:45   ( -80.71,  32.20) 12/14/2017   18:40:06  ( -80.72,  32.20)    1.41                21
 12/14/2017   19:30:48   (  80.71,-160.47) 12/14/2017   19:30:51  (  80.73,-160.59)    2.74                 3
 12/14/2017   20:21:46   ( -80.71,   6.83) 12/14/2017   20:21:36  ( -80.73,   6.78)    1.47                10
 12/14/2017   21:12:49   (  80.72, 174.16) 12/14/2017   21:12:21  (  80.73, 173.99)    3.32                28
 12/14/2017   22:03:47   ( -80.72, -18.54) 12/14/2017   22:03:06  ( -80.73, -18.64)    2.02                41
 12/14/2017   22:54:50   (  80.72, 148.78) 12/14/2017   22:53:50  (  80.71, 148.92)    2.62                60