Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 1 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)
 01/21/2015   08:24:10   (  80.96,   3.94) 01/21/2015   08:25:10  (  80.96,   4.03)    1.63                60
 01/21/2015   09:15:07   ( -80.95, 171.41) 01/21/2015   09:15:54  ( -80.95, 171.51)    1.73                47
 01/21/2015   10:06:12   (  80.95, -21.19) 01/21/2015   10:06:39  (  80.94, -21.07)    2.11                27
 01/21/2015   10:57:09   ( -80.94, 146.28) 01/21/2015   10:57:23  ( -80.93, 146.41)    2.32                14
 01/21/2015   11:48:14   (  80.94, -46.32) 01/21/2015   11:48:08  (  80.93, -46.18)    2.63                 6
 01/21/2015   12:39:11   ( -80.93, 121.14) 01/21/2015   12:38:52  ( -80.92, 121.30)    2.93                19
 01/21/2015   13:30:16   (  80.92, -71.45) 01/21/2015   13:29:37  (  80.92, -71.28)    3.16                39
 01/21/2015   14:21:13   ( -80.92,  96.01) 01/21/2015   14:20:22  ( -80.93,  95.84)    3.06                51