Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2014 2 17.  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)
 02/20/2014   21:33:41   (  80.99, 162.74) 02/20/2014   21:34:46  (  80.99, 162.62)    2.01                65
 02/20/2014   22:24:42   ( -80.98, -29.66) 02/20/2014   22:25:30  ( -80.98, -29.69)    0.54                48
 02/20/2014   23:15:44   (  80.98, 137.58) 02/20/2014   23:16:15  (  80.98, 137.61)    0.49                31
 02/21/2014   00:06:46   ( -80.98, -55.19) 02/21/2014   00:07:00  ( -80.98, -55.08)    1.90                14
 02/21/2014   00:57:47   (  80.97, 112.42) 02/21/2014   00:57:44  (  80.97, 112.58)    2.99                 3
 02/21/2014   01:48:47   ( -80.95, -79.61) 02/21/2014   01:48:28  ( -80.95, -79.74)    2.23                19
 02/21/2014   02:39:49   (  80.95,  87.63) 02/21/2014   02:39:13  (  80.95,  87.56)    1.11                36
 02/21/2014   03:30:51   ( -80.95,-105.14) 02/21/2014   03:29:58  ( -80.95,-105.13)    0.22                53