Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2014 5 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)
 05/21/2014   09:07:47   ( -81.01, 169.12) 05/21/2014   09:08:53  ( -81.01, 168.97)    2.80                66
 05/21/2014   09:58:54   (  81.00, -23.58) 05/21/2014   09:59:38  (  81.01, -23.58)    0.18                44
 05/21/2014   10:49:50   ( -81.00, 143.85) 05/21/2014   10:50:22  ( -81.00, 143.96)    1.91                32
 05/21/2014   11:40:56   (  80.99, -48.48) 05/21/2014   11:41:07  (  80.99, -48.59)    1.91                11
 05/21/2014   12:31:52   ( -80.99, 118.95) 05/21/2014   12:31:51  ( -80.98, 118.95)    0.24                 1
 05/21/2014   13:23:00   (  80.99, -74.12) 05/21/2014   13:22:37  (  80.99, -73.96)    2.78                23
 05/21/2014   14:13:55   ( -80.98,  93.68) 05/21/2014   14:13:21  ( -80.98,  93.58)    1.82                34
 05/21/2014   15:05:02   (  80.98, -99.02) 05/21/2014   15:04:06  (  80.98, -98.97)    0.89                56
 05/21/2014   15:55:58   ( -80.97,  68.41) 05/21/2014   15:54:50  ( -80.97,  68.57)    2.89                68
 06/03/2014   05:00:42   ( -81.01,-129.21) 06/03/2014   05:01:46  ( -81.01,-129.13)    1.40                64
 06/03/2014   05:51:48   (  81.01,  38.32) 06/03/2014   05:52:31  (  81.01,  38.16)    2.70                43
 06/03/2014   06:42:44   ( -81.00,-154.11) 06/03/2014   06:43:15  ( -81.00,-154.14)    0.53                31
 06/03/2014   07:33:51   (  81.00,  13.04) 06/03/2014   07:34:00  (  81.00,  13.16)    2.03                 9
 06/03/2014   08:24:47   ( -80.99,-179.39) 06/03/2014   08:24:45  ( -81.00,-179.52)    2.37                 2
 06/03/2014   09:15:53   (  80.98, -11.86) 06/03/2014   09:15:29  (  80.98, -11.85)    0.22                24
 06/03/2014   10:06:50   ( -80.99, 155.34) 06/03/2014   10:06:14  ( -80.98, 155.47)    2.32                36
 06/03/2014   10:57:55   (  80.97, -36.76) 06/03/2014   10:56:58  (  80.97, -36.86)    1.74                57