Simultaneous Nadir Overpasses (SNOs) near equator between NOAA-19 and NPP
TLE Epoch: 2013 3 18.  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)
 03/20/2013   08:09:30   (  29.95,  76.59) 03/20/2013   08:01:04    (  29.75,  75.62)   96.81            506
 03/20/2013   09:00:34   ( -29.96,-116.18) 03/20/2013   08:51:46    ( -29.78,-117.07)   88.05            528
 03/20/2013   09:51:35   (  29.97,  51.07) 03/20/2013   09:42:35    (  29.82,  50.22)   83.16            540
 03/20/2013   10:42:39   ( -29.98,-141.70) 03/20/2013   10:33:17    ( -29.85,-142.46)   74.43            562
 03/20/2013   11:33:40   (  29.98,  25.54) 03/20/2013   11:24:05    (  29.84,  24.84)   69.43            575
 03/20/2013   12:24:44   ( -29.99,-167.23) 03/20/2013   12:14:47    ( -29.87,-167.84)   60.68            597
 03/20/2013   13:15:44   (  29.94,   0.04) 03/20/2013   13:05:44    (  30.38,  -0.68)   84.30            600