Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 3 13.  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   10:30:01   (  80.99, -28.67) 03/14/2015   10:31:06  (  81.00, -28.72)    1.04                65
 03/14/2015   11:21:02   ( -80.98, 139.13) 03/14/2015   11:21:50  ( -80.98, 138.95)    3.04                48
 03/14/2015   12:12:03   (  80.99, -53.86) 03/14/2015   12:12:35  (  80.98, -53.80)    1.08                32
 03/14/2015   13:03:05   ( -80.98, 113.58) 03/14/2015   13:03:20  ( -80.98, 113.52)    1.13                15
 03/14/2015   13:54:05   (  80.98, -79.04) 03/14/2015   13:54:04  (  80.97, -78.87)    3.10                 1
 03/14/2015   14:45:07   ( -80.97,  88.40) 03/14/2015   14:44:49  ( -80.97,  88.44)    0.83                18
 03/14/2015   15:36:07   (  80.97,-104.22) 03/14/2015   15:35:34  (  80.97,-104.31)    1.51                33
 03/14/2015   16:27:10   ( -80.98,  62.85) 03/14/2015   16:26:19  ( -80.97,  63.00)    2.70                51
 03/14/2015   17:18:09   (  80.96,-129.41) 03/14/2015   17:17:03  (  80.96,-129.38)    0.64                66