Simultaneous Nadir Overpasses (SNOs) near equator between NOAA-19 and NPP
TLE Epoch: 2013 4 22.  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)
 04/26/2013   17:35:14   ( -29.96, 115.37) 04/26/2013   17:26:10    ( -29.78, 114.41)   94.66            544
 04/26/2013   18:26:20   (  29.98, -77.41) 04/26/2013   18:16:59    (  29.79, -78.29)   88.06            561
 04/26/2013   19:17:19   ( -29.98,  89.85) 04/26/2013   19:07:41    ( -29.84,  89.02)   81.13            578
 04/26/2013   20:08:24   (  29.95,-102.92) 04/26/2013   19:58:29    (  29.79,-103.67)   74.54            595