Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 3 29.  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)
 03/31/2016   17:30:02   (  81.01,-135.83) 03/31/2016   17:31:05  (  81.02,-135.95)    2.19                63
 03/31/2016   18:21:04   ( -81.01,  31.57) 03/31/2016   18:21:50  ( -81.02,  31.41)    2.78                46
 03/31/2016   19:12:04   (  81.01,-161.29) 03/31/2016   19:12:35  (  81.02,-161.35)    1.45                31
 03/31/2016   20:03:06   ( -81.01,   6.12) 03/31/2016   20:03:20  ( -81.02,   6.01)    2.04                14
 03/31/2016   20:54:06   (  81.01, 173.26) 03/31/2016   20:54:05  (  81.02, 173.25)    1.00                 1
 03/31/2016   21:45:08   ( -81.01, -19.32) 03/31/2016   21:44:50  ( -81.02, -19.39)    1.36                18
 03/31/2016   22:36:07   (  81.01, 148.19) 03/31/2016   22:35:34  (  81.01, 148.22)    0.90                33
 03/31/2016   23:27:10   ( -81.01, -44.76) 03/31/2016   23:26:20  ( -81.02, -44.79)    0.85                50