Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 3 6.  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)
 03/14/2015   10:30:00   (  80.99, -28.37) 03/14/2015   10:31:05  (  80.98, -28.37)    0.48                65
 03/14/2015   11:21:02   ( -80.98, 139.11) 03/14/2015   11:21:50  ( -80.98, 139.00)    1.97                48
 03/14/2015   12:12:03   (  80.99, -53.92) 03/14/2015   12:12:35  (  80.99, -53.81)    2.08                32
 03/14/2015   13:03:05   ( -80.98, 113.56) 03/14/2015   13:03:20  ( -80.98, 113.56)    0.04                15
 03/14/2015   13:54:05   (  80.98, -79.11) 03/14/2015   13:54:05  (  80.99, -79.24)    2.52                 0
 03/14/2015   14:45:07   ( -80.98,  88.38) 03/14/2015   14:44:49  ( -80.97,  88.49)    1.96                18
 03/14/2015   15:36:07   (  80.97,-104.29) 03/14/2015   15:35:34  (  80.97,-104.31)    0.48                33
 03/14/2015   16:27:09   ( -80.97,  63.20) 03/14/2015   16:26:19  ( -80.97,  63.05)    2.70                50