Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 3 19.  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)
 03/27/2015   11:26:41   (  81.00, -42.89) 03/27/2015   11:27:55  (  80.99, -42.87)    0.52                74
 03/27/2015   12:17:46   ( -80.99, 124.58) 03/27/2015   12:18:40  ( -80.99, 124.48)    1.69                54
 03/27/2015   13:08:44   (  81.00, -68.46) 03/27/2015   13:09:25  (  81.00, -68.32)    2.43                41
 03/27/2015   13:59:49   ( -80.99,  99.01) 03/27/2015   14:00:10  ( -80.99,  99.03)    0.41                21
 03/27/2015   14:50:46   (  80.99, -93.65) 03/27/2015   14:50:55  (  81.00, -93.76)    2.13                 9
 03/27/2015   15:41:51   ( -80.99,  73.82) 03/27/2015   15:41:39  ( -80.98,  73.95)    2.40                12
 03/27/2015   16:32:48   (  80.99,-118.85) 03/27/2015   16:32:24  (  80.99,-118.84)    0.07                24
 03/27/2015   17:23:53   ( -80.98,  48.63) 03/27/2015   17:23:09  ( -80.98,  48.51)    2.15                44