Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 2 12.  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)
 02/16/2015   08:36:18   (  80.97,   0.48) 02/16/2015   08:37:14  (  80.97,   0.50)    0.35                56
 02/16/2015   09:27:15   ( -80.98, 167.58) 02/16/2015   09:27:59  ( -80.98, 167.73)    2.66                44
 02/16/2015   10:18:20   (  80.96, -24.68) 02/16/2015   10:18:43  (  80.96, -24.56)    2.13                23
 02/16/2015   11:09:16   ( -80.96, 142.79) 02/16/2015   11:09:28  ( -80.96, 142.67)    2.21                12
 02/16/2015   12:00:22   (  80.95, -49.84) 02/16/2015   12:00:13  (  80.96, -49.99)    2.72                 9
 02/16/2015   12:51:19   ( -80.96, 117.26) 02/16/2015   12:50:58  ( -80.96, 117.24)    0.63                21
 02/16/2015   13:42:24   (  80.95, -75.00) 02/16/2015   13:41:42  (  80.94, -75.05)    1.03                42
 02/16/2015   14:33:21   ( -80.95,  92.11) 02/16/2015   14:32:27  ( -80.95,  92.18)    1.24                54