Simultaneous Nadir Overpasses (SNOs) near equator between NOAA-19 and NPP
TLE Epoch: 2013 4 29.  Predictions up to the next  14.0 days:

Date(NOAA-19)     Time(NOAA-19)   NOAA-19 Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 05/09/2013   04:09:44   (  29.99, 136.81) 05/09/2013   04:00:41    (  29.79, 135.81)   99.46            543
 05/09/2013   05:00:39   ( -29.94, -55.90) 05/09/2013   04:51:21    ( -29.73, -56.84)   93.80            558
 05/09/2013   05:51:48   (  29.96, 111.31) 05/09/2013   05:42:11    (  29.79, 110.43)   85.97            577
 05/09/2013   06:42:44   ( -29.97, -81.43) 05/09/2013   06:32:52    ( -29.79, -82.24)   80.20            592