Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 12 14.  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)
 12/16/2015   04:37:34   ( -81.03,-122.55) 12/16/2015   04:38:41  ( -81.03,-122.62)    1.16                67
 12/16/2015   05:28:30   (  81.03,  44.67) 12/16/2015   05:29:26  (  81.03,  44.66)    0.12                56
 12/16/2015   06:19:36   ( -81.03,-147.93) 12/16/2015   06:20:11  ( -81.03,-148.04)    1.97                35
 12/16/2015   07:10:32   (  81.03,  19.29) 12/16/2015   07:10:56  (  81.03,  19.24)    0.94                24
 12/16/2015   08:01:38   ( -81.03,-173.31) 12/16/2015   08:01:41  ( -81.03,-173.47)    2.80                 3
 12/16/2015   08:52:34   (  81.03,  -6.09) 12/16/2015   08:52:26  (  81.04,  -6.19)    1.76                 8
 12/16/2015   09:43:39   ( -81.03, 161.31) 12/16/2015   09:43:09  ( -81.02, 161.47)    2.97                30
 12/16/2015   10:34:35   (  81.03, -31.48) 12/16/2015   10:33:55  (  81.04, -31.62)    2.59                40
 12/16/2015   11:25:41   ( -81.03, 135.93) 12/16/2015   11:24:39  ( -81.02, 136.05)    2.12                62